AT&T DEFINITY 7300 series Instruction Manual

AT&TAT&T System 25Installation andMaintenance Manual555-540-103 BNovember 1995

● When possible, block out-of-hours calling.● Frequently monitor system call detail reports for quicker detection of anyunauthorized or abnormal calli

INSTALLATIONMake SIP Connections for Data Terminals and ComputersAny RS-232C compatible data terminal, personal computer host computer, ora STAR LAN N

INSTALLATION4.Complete the Voice and Data Station Records Form (Figure 2-26).Make SIP Connections to Cabinet for ATL Cordless TelephonesFollow the sam

INSTALLATION6. Check that all cables are labeled.INSTALL EMERGENCY TRANSFER UNITS(ETUs)The 106 Emergency Transfer Unit (ETU) (Figure 2-32) supports up

INSTALLATIONFigure 2-32.10B Emergency Transfer Unit2-78

INSTALLATIONFigure 2-33.Emergency Transfer Unit Connections2-79

INSTALLATIONMake Emergency Transfer ConnectionsNote:The following procedure assumes that the network interfaces1.2.3.4.5.6.7.are connected to the 700A

INSTALLATION8.9.10.11.12.13.Connect a 25-pair plug on octopus cable to the SIP receptacle onthe ETU.Mount the octopus cable on the 50A Fanning Strip (

INSTALLATIONInstall Ground-Start KeyIf trunks are ground start (ZTN76 used), a ground-start key must be installedon the Power Failure Transfer voice t

INSTALLATIONINSTALL ATTENDANT CONSOLEMost systems will have one or two attendant consoles. Release 2 Version 1and Release 3 systems support direct tru

INSTALLATIONFigure 2-35.Attendant Console With DXS Console2-84

ContentsINTRODUCTION FCC PRECAUTIONS INSTALLATION TOOLS AND TEST EQUIPMENT CROSS-CONNECT EQUIPMENT DESCRIPTIONTrunk Access Equipment 700A-110-BI -25

INSTALLATION4.5.6.7.8.9.10.11.12.13.lf a DXS is supplied, place it beside the attendant console. Forlocally powered DXS, do Steps 5 through 8. For rem

INSTALLATIONLEGEND :ZTN79 -B1 -cl -C2 -C7 -P2 -S1 -W1 -HYBRID LINE CPTYPICAL -103A CONNECTINGMODULAR CORD (D8W-87)OCTOPUS CABLE (WP90780)MODULAR CORD

INSTALLATIONINSTALL TERMINALSWhen installing terminals at workstations, consult the Voice and Data StationRecords Form to make sure that you are conne

INSTALLATIONLabel TerminalsBe sure to label the feature buttons of 7300H Series voice terminalsreplace labels on MET sets per Table 2-F.Table 2-F.Feat

INSTALLATIONTable 2-F. Feature Button Abbreviations and Labels (Contd.)* [ ] Indicates that a meaningful value for this item should be substituted.† T

INSTALLATIONStand-Alone Voice TerminalsSee Figure 2-37.1.Unpack each terminal and examine it for damage. On Model 420voice terminals, set the TONE/PUL

INSTALLATIONStand-Alone Remotely Powered Voice TerminalsSee Figure 2-38.1.Unpack each terminal and examine it for damage.2. At the workstation, connec

INSTALLATIONSingle-Line and 7300H Series Voice Terminals WithAssociated ADUsSee Figures 2-39 and 2-40.1.2.3.4.5.6.Unpack each voice terminal and ADU a

INSTALLATIONB1- TYPICAL -103A CONNECTING BLOCKCl -MODULAR CORD (D8W-8T)C2 -OCTOPUS CABLE (WP90780)C5 -MODULAR CORD (D4BU-87) - FURNISHED WITH SET “WI

LEGEND:ZTN79 -TN726 -WP90851-L1 -B1 -C1 -C2 -P1 -W1 -Z3A5 ADU -HYBRID LINE CPFigureDATA LINE CPMODULAR Y ADAPTERTYPICAL -103A CONNECTING BLOCKMODULAR

TDM Bus Connections.Ground Wire Connections.POWER UP AND INITIALIZE SYSTEMConnect PowerConnect Administration Equipment Cold Start the System Check Pe

INSTALLATIONOff-Premises Stations (TN742, TN746B in R3V2)An FCC-registered single-line terminal mayStation (OPS).Note: Only the local telephoneinterco

INSTALLATION4.Connect the cable to a protection device at the System 25 location.5. Connect the second protection device to an 858A Adapter on the617A

INSTALLATIONH600 307 .G2CONNECTORCABLE (NOTE)TO D4CHANNELBANKNOTE; FOR DISTANCES OVER 50 FEET (15.2 M)USE C6E CONNECTOR CABLE(S) BETWEENH600 307 .G2 C

INSTALLATIONStand-Alone Data TerminalsData terminals and computers may be connected to the system throughADUs or a Multiple Asynchronous Data Unit (MA

INSTALLATIONLEGEND :.B1 -TYPICAL -103A CONNECTING BLOCKC1 –MODULAR CORD (D8W-87)C7–MODULAR POWER CORD (D6AP-87)W1-4-PAIR INSIDE BUILDING WIRING CABLE2

INSTALLATIONLEGEND :TN726 -DATA LINE CPB1- TYPICAL -103A CONNECTING BLOCKCl-MODULAR CORD (D8W-87)C7-MODULAR CORD (D6AP-87)P2-MODULAR BULK POWER SUPPLY

INSTALLATIONMADU ConnectionsThe MADU provides a direct connection to a host computer or a large groupof data terminals (64 maximum). See Figure 2-44.

INSTALLATIONINSTALL CUSTOMER’S SATThe SAT can be connected through the SIP to the CPU/Memory CP by anyone of the following methods:l On-premises nonsw

INSTALLATIONLEGEND :ZTN129-CPU/MEMORY CPC1-MODULAR CORD (D8W-87)C2 -OCTOPUS CABLE (WP90780)355A ADAPTER -RS-232 PLUG TO MODULAR JACK355AF ADAPTER -RS-

NonswitchedSee Figure 2-46.Connection of EquipmentNote:Figure 2-46 shows an Z210A1 SIP Adapter to provide thebuilding wiring termination.An 858A Adapt

Make SIP Connections for Data Terminals andComputers Make SIP Connections to Cabinet for ATL CordlessTelephones Perform SIP Housekeeping INSTALL

INSTALLATIONLEGEND :B1–TYPICAL -103A CONNECTING BLOCKC1-MODULAR CORD (D8W-87)C2 -OCTOPUS CABLE (WP90780)C3-EIA CROSSOVER CABLE (P17U-87)C4 -MODULAR RE

INSTALLATIONOn-Premises Digital Switched ConnectionTo access a CPU/Memory port through a switched connection, the port isconnected to a port on a TN72

INSTALLATION11.Connect the other end of the modular cord to a 355AF Adapter.12. Connect an M7U-87 Cord to the 355AF Adapter.13. Connect the other end

INSTALLATIONLEGEND:B1- TYPICAL -103A CONNECTING BLOCKcl- MODULAR CORD (D8U-87)C2 - OCTOPUS CABLE (UP80780)C3 - EIA CROSSOVER CABLE (M7U-87)C7 - MODULA

INSTALLATIONOff-Premises Nonswitched ConnectionOff-premises peripheral equipment must be equipped with an originatingmodem (see Figure 2-48). The conn

INSTALLATIONSYSTEM 25CABINETPART OFOCTOPUSCABLECO OR PROVATE LINE CIRCUITPART OFSIPCONNECTVIA TAEZTN128ORZTN130Z210A2ADAPT.TYPICALMODEMTELCOCENTRALOFF

INSTALLATIONINSTALL CUSTOMER’S DTUThe DTU must be directly connected to Port #3 on the CPU/Memory CP(Figures 2-45 and 2-46).Remote and switched connec

INSTALLATIONINSTALL STARLAN NETWORK INTERFACENote:Support for the STARLAN Interface has been discontinued.The ZTN84 STARLAN Interface CP provides an i

INSTALLATIONShared System 25 Voice/STARLAN NETWORK DataConnectionsSTARLAN NETWORK workstations can share the 4-pair System 25 wiring tothe SIP with a

INSTALLATIONSTARLANNETWORKNEUPART OF SIPSYSTEM 25CABINETY ADAPT(WP90851-L1)SIPADAPT(TYP)ZTN78ORTN742PART OFOCTOPUSCABLEPERSONALCOMPUTERSTARLAN NETWORK

7300H Series Voice Terminals INSTALL MUSIC-ON-HOLD INTERFACE FCC-Registered Music Source Interface Non-FCC

INSTALLATION73001H Series Voice TerminalsSee Figure 2-51.1.2.3.4.5.6.7.Unpack each terminal and examine it for damage.At the workstation, use a D8W-87

INSTALLATIONLEGEND:ZTN79 -WP90851-L1 -A2 -B1 -C1 -C2 -C3 AND C4 -P1-W1 -Figure 2-51.HYBRID LINE CPMODULAR Y ADAPTERKS-23475 ADAPTERTYPICAL -103A CONNE

INSTALLATIONINSTALL MUSIC-ON-HOLD INTERFACENote:Use of equipment that rebroadcasts copyrighted music orother material may be required to obtain a lice

INSTALLATIONLEGEND :TN742 –ZTN78 –B1 -C2 -C5 -W1 –MOH -ANALOG LINE CPTIP RING CPTYPICAL -103A CONNECTING BLOCKOCTOPUS CABLE (WP90780) PEC 2720-05PMODU

INSTALLATIONNon-FCC Registered Music Source InterfaceThe music source is connected to a ZTN78 CP (see Figure 2-53). Connectthe CP to a 858A Adapter at

INSTALLATIONMusic Source(Customer supplied)Music-on-Holdinterface(KS-23395)GRGR GRMSHI❑❑❑(Optional)DW8A-SE909A/BUnivversal Coupler(Replace

INSTALLATION2-119bThis page intentionally left blank.November 1995

INSTALLATIONINSTALL EXTERNAL ALERTSExternal54).1.2.3.alerts are connected to the system through a ZTN78 CP (Figure 2-Connect the CP to a 858A Adapter

INSTALLATIONINSTALL RECORDED DELAY ANNOUNCEMENTDelay announcements are installed the same way as external alerts.INSTALL DICTATION SYSTEM INTERFACEIf

INSTALLATIONDirect Connection to TN763 Auxiliary Trunk CPPaging(Figure●●equipment can be connected directly to a TN763 Auxiliary Trunk CP2-55) when th

MAKE POOLED MODEM TEST CALL . . . .TEST TRANSFER TO DATA . . . . ... . . .TESTEXTERNAL ALERT (NIGHT SERVICE)TESTTESTTESTTEST

INSTALLATIONSYSTEM 25CABINETPART OF25 PAIR CABLEPART OF66-BLOCKAW1C5TN763B1<PAGING ORDICTATIONSYSTEMLEGEND :TN763– AUXILIARY TRUNK CPA – SINGLE-END

INSTALLATIONConnection to TN763 Auxiliary Trunk CP (278A AdapterRequired)A 278A Adapter is required to connect paging equipment to a TN763 AuxiliaryTr

INSTALLATIONLoudspeakerSystemCrossConnectFieldRed103AorWallJackGreenLine CordB25AorA25DAuxiliary Cabinet or Wall FieldT25-PairF Conn.on ED-1E443-10Pan

INSTALLATIONThis page intentionally left blank.2-124bNovember 1995

INSTALLATION5.6.7.8.9.10.11.Set switch to NORMAL position.Using a D4BY (single-ended) modular cord, connect D-181321 kit ofparts (Figure 2-56) to a KS

INSTALLATIONLEGEND :TN763 - AUXILIARYA-B1 -C5 -C6 -P1 -W1 -278ASINGLE-ENDEDTRUNK CP25 PAIR CONNECTOR CABLE (A25D)TYPICAL -103A CONNECTING BLOCKMODULAR

Figure 2-57. 278A Adaptor Plug Positions for Connecting TN763 CircuitPack to Paging System2-127

INSTALLATIONConnection to ZTN76 or ZTN77 CPPagePac 20 system with ZoneMate 9/39 and Common Control Unit (CCU)provides up to nine/thirty-nine paging zo

INSTALLATIONLEGEND :ZTN76 -ZTN77 -A-B1 -C5 -W1 -GROUND START C’LOOP START C’3 TO 1 SPLITTER CABLE (WP-90929,L1)TYPICAL- 103A CONNECTING BLOCKMODULAR C

INSTALLATIONCustomer-provided paging equipment can also be connected to ZTN76 orZTlN77 CO trunk CPs. Connection to the system is made through the TAEa

ROUTINE MAINTENANCE Reseating and Replacing Circuit Packs Removing and Restoring Power Restarting the System ERROR LOG Accessing the Error Log From th

INSTALLATIONLEGEND :ZTN76- GROUND START CPZTN77- LOOP START CPA-3 TO 1 SPLITTER CABLE (WP-90929,L1)UPAM -UNIVERSAL TELEPHONE (PAGING) ACCESS MODULEP1

SYSTEM TESTSSYSTEM TESTSOnce installation is completed, the system must be initialized, following theprocedures in the AT&T System 25 Administrati

SYSTEM TESTSTEST INCOMING DID TRUNKSYou can test DID trunks by establishing a connection on each DID trunk andthen busying it out so that all DID trun

SYSTEM TESTS4.Repeat Steps 1 through 3 for all incoming tie trunks, and make sureeach tie trunk is tested.TEST 7300H SERIES VOICE TERMINALSTest each 7

SYSTEM TESTS8. 9.10.11.12.13.14.Dial theDial thecentral office (CO) trunk access code.You should hear the CO dial tone.listed directory number for the

SYSTEM TESTSTEST SINGLE-LINE VOICE TERMINALSTest each single-line voice terminal by placing station-to-station and externalcalls.1.2.3.4.5.6.7.8.9.10.

SYSTEM TESTSTEST ATLCORDLESS TELEPHONEThe ATL Cordless Telephone must be tested to seeThe transmission quality must be verified when theseparated by t

SYSTEM TESTS2.3.4.5.6.At any multiline voice terminal, go off-hook, dial the ARS access code,and dial one of the long-distance numbers. Make sure that

1.2.3.4.TestPDC LoginAt a voice terminal, go off-hook and dial * * PDC PDC, where PDC isa PDC other than that of the test terminal.— You should hear a

SYSTEM TESTSTEST ATTENDANT CONSOLETesting the attendant console is the same as testing a multiline voiceterminal, except for testing the console’s uni

REFERENCES ABBREVIATIONS AND ACRONYMS 5-16-1A-1APPENDIX A: System WiringConnector Pin Assignments System 25 Building Wiring APPENDIX B: Parts Listi

SYSTEM TESTSTEST DATA TERMINAL DIALING FEATUREPerform this test on all data terminals and personal computers connected tothe system through ADUs.1.2.3

SYSTEM TESTSMAKE POOLED MODEM TEST CALLSkip this test if the system does not include a TN758 Pooled Modem CP.This test involves placing a data call fr

SYSTEM TESTSTEST EXTERNAL ALERT (NIGHT SERVICE)Place asoundsalertingalerting1.2.3.4.5.6.7.8.test call to the attendant console to verify that the aler

SYSTEM TESTSTEST DICTATION SYSTEM ACCESSPlace a call to verify that dictation equipment can be accessed. If dictationequipment has not been installed,

SYSTEMTESTTESTSMUSIC-ON-HOLDVerify that music is provided to outside callers placed on hold. (Inside callersdo not receive Music-on-Hold [MOH].)1.2.3.

SYSTEM TESTSTEST EMERGENCY TRANSFERPlace the system in emergency transfer mode by turning power off (orremove the modular connector from the ETU). Pla

SYSTEM TESTSTEST TOUCH-TONE RECEIVERS1.2.3.At a single-line voice terminal, go off-hook. Dial *3 and the 2-digitnumber (01 through 12) of the touch-to

MAINTENANCEMAINTENANCEThe primary maintenance objective is to detect, report, and clear troubles asquickly as possible with minimum disruption to norm

MAINTENANCEEQUIPMENT NEEDEDTheanymaintenance technicianSystem 25 service call:should take the following tools and equipment onEIA breakout boxDigital

MAINTENANCEPrecautionsElectromagnetic fields radiating from the system cabinets may generate noisein other communications equipment. The technician m

APPENDIX F: Administration Error Messages GLOSSARY INDEX F-1G-1I-1-viii-

MAINTENANCEGENERALMAINTENANCE INFORMATIONSystem Errors and AlarmsDuring periodic testing, a maintenance audit could detect a system error thatautomati

MAINTENANCEMemory (ZTN81 [RIV7] or ZTN127 [RI V2]J: The red LED on this CP lightswhen power is applied and goes dark upon successful completion of the

MAINTENANCEAttendant Console LEDA lighted green Alarm LED on the console indicates the presence of a Permanent System Alarm. The LED flashes with each

MAINTENANCEUsing RIMS, the remote administrator can initialize translations after theswitch itself is installed. As long as there is no hardware chang

MAINTENANCEAdministration RequirementsFor a RIMS call to be made during initialization, at least one voice station andone trunk must be translated. A

MAINTENANCEMAINTENANCE STRATEGYFault isolation is the cornerstone of the System 25 maintenance strategy.Maintenance activity isolates faults to one (o

MAINTENANCESYSTEMTROUBLEREPORTEDUSER-REPORTEDDISCUSS THE TROUBLEWITH SYSTEM USERSCAP ALARMREPORTEDCAP ALARMEDREAD PERMANENTSYSTEM ALARMSTABLE IN ERROR

MAINTENANCESometimes, faults recorded in the error log and user-reported troubles willexist at the same time. The logged faults should always be clear

MAINTENANCECommon Control ProblemsCommon Control circuitry is difficult to troubleshoot. The system must bepowered down before any of these CPs are re

MAINTENANCEStation, Wiring, and Trunk ProblemsIf the system indicates that a fault is with a station, or if a user complaintindicates a station proble

FiguresFigure 2-1.Figure 2-2.Figure 2-3.Figure 2-4.Figure 2-5.Figure 2-6.Figure 2-6a.Figure 2-7.Figure 2-8.Figure 2-9.Figure 2-10.Figure 2-11.Figure 2

MAINTENANCEUSING THEDIGITAL TAPE UNITThe Model DC4 Digital Tape Unit (DTU) or equivalent is extremely importantin system maintenance. System Translati

4.Press the REWIND button, and wait for the unit totape. This step ensures that the tape is played fromNote:The system automatically compensates for“l

MAINTENANCE9.10.Press c to continue, and the tape unit is automatically started by thesystem. Saving translations on tape takes about 5 minutes and do

MAINTENANCE5.6.7..8.9.10.Enter 2.The system responds with:Save/Restore: Action=2 Data=.Enter D.The system completes the word Data followed by the = si

MAINTENANCERestoring Translations Note: Restoring translations from tape removes the system fromoperation for about 5 minutes.When it is necessary to

MAINTENANCE8.9.10.11.Press c for continue, and the tape unit is automatically started by thesystem. Restoring translations takes about 5 minutes.When

MAINTENANCEROUTINE MAINTENANCEThe following are general trouble-clearing techniques usually required toresolve system-detected and/or user-detected tr

MAINTENANCE6.Inspect the cabinet backplane and the connectors at the back of theCP. It may be possible to clean dirty connectors per prescribedprocedu

MAINTENANCERemoving andRestoring PowerWhen the following procedures are performed, the system must beunplugged from the ac power source:●●●●Reseating

MAINTENANCERestarting the SystemThe system automatically warm starts after power is restored. (The system’smaintenance software may restart the system

©1989 AT&TAll Rights ReservedPrinted in USATO ORDER COPIES OF THIS DOCUMENT REFER TO DOCUMENT NUMBER555-540-103Contact: Your AT&T sales repres

Figure 2-37.Figure 2-38.Figure 2-39.Figure 2-40.Figure 2-41.Figure 2-42.Figure 2-43.Figure 2-44.Figure 2-45.Figure 2-46.Figure 2-47.Figure 2-48.Figure

MAINTENANCE6.7.8.9.Enter 9 (for the SAVE/RESTORE selection) and press <RETURN>.The system responds with:Action=Enter 10 for a warm restart.The s

MAINTENANCEMessages displayed on the SAT indicate which restart is being performed. Thesame type of information is displayed for a cold and a warm res

MAINTENANCEThe SAT message for a cold restart appears after the system has performedall self-tests and reading of its configuration. The time required

MAINTENANCEERROR LOGWhen a system maintenance object fails periodic testing, the systemautomatically generates an error record.Depending on severity,

MAINTENANCEA typical error record from the Permanent System Alarms and TransientSystem Errors table is as follows:PERMANENT SYSTEM ALARMSPORTBOARD FIR

MAINTENANCEError records in the Most Recent System Errors table have a slightly differentformat. A typical error record from the Most Recent System Er

MAINTENANCEThe Error Log is under the control of internal background maintenancesoftware that automatically escalates an error to a more serious categ

MAINTENANCE9.10.11.12..If youEnter 1 and press <RETURN>.The SAT displays:SEARCHES: ACTlON=1 DATA=Enter D.The system completes the word Data foll

MAINTENANCEERROR MESSAGESError messages,along with the alarm indicators, are the most likelyindicators that an error has occurred in the system. When

MAINTENANCEERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTIONAC Power Failure: An indicationCheck plug at wall receptacle. Ifthat ac power has been lost (

Figure 4-8.Figure 4-9.Figure 4-10.Figure 4-11.Figure 4-11.a.Figure 4-12.Figure 4-13.Figure C-1.Figure C-2.Figure C-3.Table 2-A.Table 2-B.Table 2-C.Tab

MAINTENANCEERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTIONBad Port: (STARLAN InterfaceRecoverable; no action required.CP) This error is an isolatedtran

MAINTENANCEERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTIONDC Fail Transient Record:No action required; this errorIndicates a dc power failure.display i

MAINTENANCEERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTIONDXS Reset; The DXS console hasRecoverable; no action required.been reset.Electronic Power Feed

MAINTENANCEERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTIONExternal Stack Full: (STARLANIf the reset is not successfulInterface CP) This error resets th

MAINTENANCEERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTIONIllegal Instruction: This error isThe Problem could be with thelogged when an illegal instruc

MAINTENANCEERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTIONInvalid Message Length: The port If the problem persists, check orCP sent an up-link message

MAINTENANCEERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTIONMemory Management Error: BusPossiblesoftwareerror.Iferror that occurs while accessingproblemp

MAINTENANCEERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTIONOn-HookBeforeReady To ReceiveDigits: For a tie trunk with delaydial or winkstart—after thehan

MAINTENANCEERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTIONPort CP Missing ButCheck CP slot; reseat CP; change“Administered:(Other than CP; or removeCPfr

MAINTENANCEERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTIONReceived Incorrect Number ofDID Digits:This error indicatesthat the CO is set up to send anumb

Table E-C.Table E-D.Table E-E.Table E-F.Table E-G.. .Table E-H.Table E-1.Table E-J.Table E-K.Table E-L.Table E-M.Table E-N.Table E-0.Table E-P.Table E

MAINTENANCEERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTIONService CircuitTest Failed:Check TDM bus terminator andService Circuit demand test failedcabin

MAINTENANCEERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTIONTrunk Call Dropped: A call thatNormally, no action required;had been up on a trunk for moreho

MAINTENANCEERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTIONUnrecognizedCommand:Recoverable; no action required.(STARLAN Interface CP) Thiserror is anisol

MAINTENANCE..Figure 4-2.ClearingSupply Troubles (Sheet 1 of 2)4-47

MAINTENANCEFigure 4-2. Clearing Power Supply Troubles (Sheet 2 of 2)

MAINTENANCEFigure 4-3.Clearing CO Trunk Troubles4-49

MAINTENANCEFigure 4-4.Clearing 4-Wire Tie Trunk Troubles (Sheet 1 of 4)4-50

MAINTENANCEFigure 4-4. Clearing 4-Wire Tie Trunk Troubles (Sheet 2 of 4)4-51

MAINTENANCEFigure 4-4.Clearing 4-Wire Tie Trunk Troubles (Sheet 3 of 4)4-52

MAINTENANCEFigure 4-4.Clearing 4-Wire Tie Trunk Troubles (Sheet 4 of 4)4-53

INTRODUCTIONINTRODUCTIONThis manual provides procedures and information for installing, and testing theAT&T System 25 Release 3 and associated equ

MAINTENANCENOTES :1. PC should be running NAUCOM,Session, CAM and/or any STARLANNETWORK compatible emulatingprogram.2. The green LED lights when theST

Figure 4-6.Clearing Tie Trunk Troubles (Sheet 1 of 5)4-55

MAINTENANCE[6][7][8][9][10]Figure 4-6.Clearing Tie Trunk Troubles (Sheet 2 of 5)4-56

MAINTENANCEFigure 4-6.Clearing Tie Trunk Troubles (Sheet 3 of 5)4-57

MAINTENANCEFigure 4-6. Clearing Tie Trunk Troubles (Sheet 4 of 5)4-58

MAINTENANCEFigure 4-6.Clearing Tie Trunk Troubles (Sheet 5 of 5)4-59

MAINTENANCEFigure 4-7.Clearing Paging Equipment Troubles

MAINTENANCEClearing System-Detected TroublesMost troubles are detected through the Alarm LED located on the AttendantConsole, the Error Log, and, in s

MAINTENANCEFailure of the CPU/Memory CP at power-up generates the following type oferror message:FAIL: <CARD>: <TEST>: <DETAIL>:The

MAINTENANCEAfter total failure, the system ceases to operate and the green LED on theCPU/Memory CP may not flash.Failure can also be verified by check

INTRODUCTION●●●●●●●●Section 5 References-Lists anddescribes other relateddocumentationSection 6 Abbreviations and Acronyms-Lists and describesabbrev

MAINTENANCEOnce a faulty CP is identified, it can be replaced using the procedures in“Reseating and Replacing Circuit Packs” under “Routine Maintenanc

MAINTENANCETable 4-B lists the test points (-5 V, +5 V, -48 V, and GND) for the power supply.The test points are located on the upper-right corner at

MAINTENANCETable 4-C. Circuit Pack Voltage–SymptomsVoltage/+5 volts-5 volts-48 VoltsCircuit Pack (Notes)No+5 VNo-5 VNo-48 VCall Proc. (ZTN82,xSystem F

MAINTENANCEEach power supply has one green LED on its front that can be seen throughthe fan assembly. The LED is visible through the ventilation slots

MAINTENANCEAC DISTRIBUTION UNITAC CIRDVARISTOR PWBASSY CM 538A1S1 SWTO 15A120 VACOUTLETGROUNDBLOCKFigure 4-8.AC Power Schematic4-68

MAINTENANCEPower Supply ProtectionPower supply outputs are protected from damage when they are subjected toeither momentary or sustained short circuit

MAINTENANCEPower Supply ReplacementTo replace the power supply, follow these steps:Danger:Hazardous voltages are present on some backplane1.2.3.4.5.6.

MAINTENANCEFan Assembly TroubleThe fans should always be operating when the system is receiving ac powerand the cabinet switch is turned on. If the fa

MAINTENANCEOverheating TroubleA clogged or dirty air filter can cause the cabinet to overheat. The cabinet airfilter rests on the floor of the cabinet

MAINTENANCETEST POINT CABLE CONNECTSIHERE. ACCESS VOLTAGE TESTADDRESS PLUG POSITIONPOINTS FROM FRONT OF(SLOT 08 NOT USED)CABINET.Figure 4-9. System Ca

INSTALLATIONINSTALLATIONInstallation of a System 25 requires the completion of a number of basicsteps, similar to those required to install any custo

MAINTENANCEFigure 4-9.System Cabinet Backplane Wiring Side (Sheet 2 of 2)4-74

MAINTENANCEFigure 4-10.TDM Signal Designations on Cabinet Backplane4-75

MAINTENANCEFigure 4-11.Power Designations onCabinet Backplane4-76

_ MAINTENANCEEach of the 12 universal carrier slots has 48 pins on the backplane forconnection to station and trunk ports. The 48 pins are divided i

MAINTENANCETable 4-D.25-Pair Connector to Backplane Designations25-Pin-Conn.CallProcPin No.WireColorGSTrunkZTN76LSTrunkZTN77Tip RingLineZTN78ATLLineZT

MAINTENANCETable 4-D.25-Pair Connector to Backplane Designations Contd)25-Pin-Conn..Pin No. WireColorDIDTrunkTN753TieTrunkTN760BAux.TrunkTN763DataLine

MAINTENANCE8' CABLE LENGTHCONNECTOR 1CONNECTOR 0CONNECTOR 2STOCKLISTDESCRIPTION25-PR PLUG8-FT, 8-PR, 24-GC, CABLE25-PR RECEPTACLESPACER (NOTE 1)N

MAINTENANCEEmergency Transfer Unit TroubleIf the Emergency Transfer Unit (ETU) will not enter the power failure mode, dothe following steps:1.2.3.Unpl

MAINTENANCECLEARING USER-DETECTED TROUBLESUser-reported troubles are usually associated with voice or data terminalequipment or trunks.They can result

MAINTENANCENote:For problems with administration equipment that is notconnected on a dedicated basis, refer to the TerminalOperations Manual, 555-540

INSTALLATIONTOOLS AND TEST EQUIPMENTTable 2-A lists tools and test equipment required for installing a System 25.Table 2-A.Tools and Test Equipment Re

6.7.8.9.VoiceCheck CP translations from the SAT to be sure that this CP hasCheck LEDs on CP. The red LED will be lighted if a fault on the CPaffects a

MAINTENANCE2.3.4.If you hear dial tone, continue with this test.Dial the digits 1234567890 *#.YOU should hear a DTMF signal as each key is pressed.If

MAINTENANCEProcedures:1.Make sure that the appropriate ZTN79 CP is translated.2. Check for the presence of -48 volts at test point on front of cabinet

MAINTENANCEFigure 4-12.Clearing Virtual Facilities Troubles (Sheet 1 of 3)

MAINTENANCEFigure 4-12.Clearing Virtual Facilities Troubles (Sheet 2 of 3)4-87

MAINTENANCEFigure 4-12.Clearing Virtual Facilities Troubles (Sheet 3 of 3)4-88

MAINTENANCETrunk TroublesMany trunk troubles originate in the central office (CO) facilities. The first stepin identifying trunk troubles should be to

MAINTENANCE5.Listen for dial tone from the accessed trunk. If dial tone is notpresent, isolate the fault to a trunk port CP or location in the trunkac

MAINTENANCE6. If “no loop current on outgoing call” is displayed, either of the aboveconditions could be true. It is more likely, however, that the fa

MAINTENANCE8.9.10.11.12.If the problem does not move, replace the Ground Start CP.If the problem moves, the fault is with the CO. Notify CO personnelt

INSTALLATIONCROSS-CONNECT EQUIPMENT DESCRIPTIONThis section provides a brief description of some ofconnect/interconnect equipment. More details on the

MAINTENANCE3.4.5.6.7.8.9.● CO failure to release after PBX disconnect● CO belated release.These messages indicate CO problems. The first three errors

MAINTENANCEFigure 4-13. Clearing Switched Loop Attendant Console Troubles (Sheet1 of 5)

MAINTENANCE4-13.Clearing Switched Loop2 of 5)Console Troubles (Sheet4-95

MAINTENANCEFigure 4-13. Clearing Switched3 of 5)Loop Attendant Console Troubles (Sheet4-96

MAINTENANCE4-13.Clearing Switched4 of 5)Console Troubles4-97

MAINTENANCENOTES :1. (a) System defaults to a DTAC when first powered up.(b) You have to remove the DTAC before you can administer theSLAC .(c) System

MAINTENANCESpecial Port Circuit Options for Stations and TrunksTables 4-E and 4-F provide the special port circuit options that are administeredin the

MAINTENANCETable 4-F.Applicable Actions for Circuit Pack OptionsACTIONS FOR CIRCUIT PACK OPTIONS(See Circuit Pack Options—Table 4-E)CIRCUIT CP ACTIONS

6.7.8.9.10.11.12.13.14.If +7 volts are not present, the ADU is not receiving enough powerfrom the data terminal and must be locally powered.If the ADU

MAINTENANCEMultiple Troubles or Trouble That Cannot Be DiagnosedSymptoms:Red LED is lighted on all port CPs. SAT displays this message:“FAIL:CPU:ARCH

INSTALLATIONTrunk Access EquipmentThe trunk access equipment (TAE) consists of 700A-I 10-61-25 or 700A-66-B1 -25 (157BF) cut-down jacks, or equivale

MAINTENANCESymptoms:Red LED is lighted cm several port CPs.Procedures:1.2.3.4..Check the power supply to be sure that it is providing correctvoltages

REFERENCESThe following System 25 documents are available for reference. A briefdescription of each manual is provided.● Administration Manual● Advan

REFERENCESAn Introduction to AT&T System 25Provides an introduction to System 25 features and services. The emphasisis on how System 25 helps solv

REFERENCESReference ManualThis document is the system’s principal technical reference. It providesreference material for sales support, system configu

REFERENCESCall Management System—System ManualProvides information necessary to install CMS software, administer, use, andtroubleshoot CMS.Call Manage

ABBREVIATIONS AND ACRONYMSABBREVIATIONS AND ACRONYMSADUAEARSASCIIBPSCCSCCSACOSCSUDCEDDCDDDDIDDGCDS1DTACDTEDTMFDXSEIAETUFNPAFRLFXHNPAAsynchronous Data

ABBREVIATIONS AND ACRONYMSLDNListed Directory NumberLEDLight-Emitting DiodeMETMultibutton Electronic TelephoneMOHMusic-on-HoldNAUNetwork Access UnitNE

APPENDIX A:APPENDIX A:System Wiring TablesConnector Pin AssignmentsTable A-A lists the lead designations and pin assignments at the 25-pairconnectors

APPENDIX A: System Wiring TablesTable A-A.25-Pair Connector Pin Assignments25-Pin Corm.CallGS LSTlp Ring ATLMETBackplanePin No.Wire Proc.TrunkTrunk Li

APPENDIX A: System Wiring TablesTable A-A.25-Pair Connector Pin Assignments (Contd)25-Pin Conn.DlDTieAux. DataAnalogAnalog TN767BackplanePin No. ‘Wire

INSTALLATIONNOTE: 9“ WIDE, MOUNTINGCENTERS ARE 8-1/2”APART, FLANGESOVERLAPPEDFigure 2-1.10B ETU2-5

APPENDIX A: System Wiring TablesTable A-B.Building Wiring25-Pair Cable4-Pair CableTerm. Lead Functions500ATL7101A Cordless D-InsideD-InsideCable Conn.

APPENDIX A: System Wiring TablesTable A-B.Building Wiring (Contd)25-Pair Cable4-Pair CableTerm. Lead Functions500ATL7101ACordlessD-insideD-lnsideCable

APPENDIX B:APPENDIX B:Parts ListingThe following information may assist you in cross-referencing Apparatus Codes,Comcodes and Price Element Codes (PEC

APPENDIX B: Parts ListingDESCRIPTlONPECAPPARATUS CODE COMCODESystem 25 Control Unit (R1V2) 6250-012includesCarrierJ58901A1 , L1 (e/w)Power SupplyWP905

APPENDIX B: Parts ListingDESCRIPTlONPECAPPARATUS CODE COMCODEUpgrade Kit (R3V1/V2 to R3V3)R3V1/V2 Upgrade Kit62527N **CPU/MEM CPZTN142107057754Circui

APPENDIX B: Parts ListingDESCRIPTlONPECAPPARATUS CODECOMCODEPeripheral EquipmentDigital Tape Unit62507TS-555A404079436System Admin.62508TI-70340407942

APPENDIX B: Parts ListingDESCRIPTIONPECMET Set-BISTransformerKit-of-Parts12-button MET SetMET Adapter Cord5-Button 7300H Ser VT10-Button 7300H Ser VT7

APPENDIX B: Parts ListingDESCRIPTIONAcoustic CouplerSingle-Line VT w/MessageLight & Recall buttonGround Start KeyMounting BracketGround Start KeyE

APPENDIX B: Parts ListingDESCRIPTlON PEC APPARATUS CODE COMCODEAsynchronous Data UnitsATL ADU 62506D181521 includes105105506D8W-87 Cord (14ft)10378680

APPENDIX B: Parts ListingDESCRIPTIONPECAPPARATUS CODECOMCODEMOH Interface (Reg)62517 KS-2339510B ETU 62514Emergency Trans Unit(2) B25A Cables DED8W-87

DANGERDo not open the fan assembly or remove rear cabinet cover beforeunplugging the cabinet from the electrical outlet. Wait at least fiveminutes aft

INSTALLATIONStation Interconnect Panel (SIP)The SIP is the station cross-connect field and consists of the followingequipment:● 617A Panels● Adapte

APPENDIX B: Parts ListingDESCRIPTlONPECAPPARATUS CODECOMCODECross-Connect HardwareStation interface Panel2750-D28 617A103982658Mod/Mod Adapter 2750-D2

APPENDIX B: Parts ListingDESCRIPTlONCablesOctopus Cable (15 ft)Splitter Cable, Tie-TrkSplitter Cable, CO TrkAdapter (TN746)RS-232C X-Over CableCable C

APPENDIX C:APPENDIX C:System Additions or ChangesAdditions and changes can be made to the system to support growth orchanging needs of the customer.T

APPENDIX C: System Additions or ChangesTable C-A. Unit LoadsPort TypeIUnit LoadZTN178 portI0.5TN742, TN7461.0portETU2.0TN760B Port2.0TN753B Port 0.550

APPENDIX C: System Additions or Changes5. Insert the CP into the slot with the latch lever opened. Push it in firmlyuntil you feel resistance and the

APPENDIX C: System Additions or ChangesFigure C-1.Typical System 25 Port Circuit PackC-4November 1995

APPENDIX C: System Additions or ChangesSet Option Switches on TN760B CPIf the CP being added is a TN760B, use Figure C-2 and Table C-B to chooseFigure

APPENDIX C: System Additions or ChangesTable C-B.TN760B Option Switch Settings and AdministrationSystem 25InstallationSituationCircumstanceCo-LocatedI

APPENDIX C: System Additions or ChangesReplace Circuit PackReplace a CP if it fails or becomes damaged.1.2.3.4.5.6.Make sure that your hands are clean

APPENDIX C: System Additions or ChangesAdd CabinetAdd a cabinet if all the slots in the existing cabinets are full and you need toadd a CP. Also, if t

INSTALLATIONMOUNTING CENTERSWHEN FLANGES AREOVERLAPPEDFigure 2-2. 617A Panel2-7

APPENDIX C: System Additions or Changes6.7.8.9.10.11.12.13.14.Power down the system—all cabinets (Cabinet 1 last).Connect the cabinets, following the

APPENDIX C: System Additions or ChangesAdd Terminal1.2.3.4.5.6.Evaluate the cabinet unit power load using the procedures under“Evaluate cabinet unit P

APPENDIX C: System Additions or ChangesAdd Trunk1.2.3.4.5.6.If you are adding a DID or tie trunk, evaluate the cabinet unit powerload using the proced

FigureC-3.DS1 Network Interface ConnectionsReplace Voice-Only Terminal WithTerminal1.2.3.4.5.6.7.8.Using the Voice and Data Station RecordsVoice/DataF

APPENDIX C: System Additions or Changes9. When the terminal is initialized, test it following the appropriateprocedures in Section 3, “System Tests. ”

APPENDIX D:APPENDIX D:System UpgradesA D-kit-of-parts (PEC 62526N) k required to upgrade a Release 1 or a Release 2system to a Release 3 V3 system. Th

APPENDIX D: System Upgrades8.9.10.11.12.13.14.Remove the ZTN82 or ZTN128 Call Processor CP from slot 2 anddiscard (R1 only). Remove ZTN85 Service CP f

APPENDIX D: System Upgrades16.17.18.19.Save the translations, and verify the accuracy of the backup tape.Refer to the Administration Manual for R3V1 (

APPENDIX E:APPENDIX E:Administration Codes and DataThe tables in this appendix are intended to help those familiar with systemadministration locate sp

APPENDIX E: Administration Codes and DataTable E-B. PORT/PD. Administration, Voice Terminals (Menu=1/2)ACTION DESCRIPTlONDATA0Physical port numberCSSP

INSTALLATIONAdaptersThe adapters shown in Figure 2-3 are used at the SIP.Z210A2 or 858A AdaptersThese adapters connect the building wiring (station ru

APPENDIX E: Administration Codes and DataTable E-B.PORT/PDC Administration,Voice Terminals (Menu=1/2)(Contd)Administering the TN746B with Basic Admini

APPENDIX E: Administration Codes and DataThis page is intentionally blankE-2-b

APPENDIX E: Administration Codes and DataTable E-B. PORT/PD. Administration, Voice Terminals (Menu=1/2) (Contd)ACTION DESCRIPTlONDATA17Send ringing to

APPENDIX E: Administration Codes and DataTable E-B. PORT/PD. Administration, Voice Terminals (Menu=1/2) (Contd)ACTIONDESCRIPTIONDATA465152536090100101

APPENDIX E: Administration Codes and DataTable E-B.PORT/PDC Administration,Voice Terminals (Menu=1/2)(Contd)ACTIONDESCRIPTIONDATA100Button to be ass

APPENDIX E:Table E-B.Administration Codes and DataPORT/PDC Administration,Voice Terminals (Menu=1/2)(Contd)ACTIONDESCRIPTIONDATA100Button to be assign

APPENDIX E: Administration Codes and DataTable E-B.PORT/PDC Administration,Voice Terminals (Menu=1/2)(Contd)ACTIONDESCRIPTIONDATA100Button to be assi

APPENDIX E: Administration Codes and DataTable E-B. PORT/PDC Administration,Voice Terminals (Menu=1/2)ACTIONDESCRIPTIONDATA100Button to be assigned[bu

APPENDIX E: Administration Codes and DataTable E-B. PORT/POC Administration,Voice Terminals (Menu=1/2)(Contd)ACTIONDESCRIPTIONDATA100Button to be ass

APPENDIX E:Table E-B.Administration Codes and DataPORT/PDC Administration,Voice Terminals (Menu=1/2)(Contd)ACTIONDESCRIPTIONDATA100Button to be assign

INSTALLATIONZ21OA1ADAPTERY-ADAPTERWP90851,L1858AADAPTERFigure 2-3.SIP Adapters2-9

APPENDIX E: Administration Codes and DataTable E-B.PORT/PDC Administration,Voice Terminals (Menu=1/2)ACTIONDESCRIPTIONDATA100Button to be assigned[bu

APPENDIX E: Administration Codes and DataTable E-B.PORT/PDC Administration,Voice Terminals (Menu=1/2)(Contd)ACTIONDESCRIPTIONDATA100Button to be assi

APPENDIX E: Administration Codes and DataTable E-C.Voice Terminal Type CodesIf the Terminal Type is:Code:SINGLE-LINE VOICE TERMINALS:Without message w

APPENDIX E: Administration Codes and DataTable E-D. Feature Button Translation (Menu=1/2)“Action=100” is required before action(s) 101-104 listed in t

APPENDIX E: Administration Codes and DataTable E-D. Feature Button Translation (Menu=1/2) (Contd)"Action=100" is required before action(s)

APPENDIX E: Administration Codes and DataNOTES:A ? mark indicates that a yes/noIf a (No) or (Yes) is present,response.1)2)3)4)5)6)7)8)9)1 0)11)12)13)1

APPENDIX E: Administration Codes and DataTable E-E.Multiline Voice Terminal Button Defaults7- SYS ACCESS12- FLEX DSS17- FLEX DSS29- FLEX DSS8- SYS ACC

APPENDIX E: Administration Codes and DataTable E-F.Switched Loop Attendant Console Button Defaults (Type310)7- LOOP†8- LOOP†9- LOOP†10- LOOP†11- LOOP†

APPENDIX E: Administration Codes and DataTable E-G.Switched Loop Attendant Console Button Defaults (Type 311 )7- LOOP† 12- ALARM†17- lNSPECT† 29- SC

APPENDIX E: Administration Codes and DataTable E-H.Direct Trunk Attendant Console Button Defaults (Cold-StartDefaults)7- SYS ACCESS8- SYS ACCESS9- REP

INSTALLATIONFanning StripThe 50A Fanning Strip (Figure 2-4) is a metal panel with positions to hold 16octopus (switch) cables. The bundled portion of

APPENDIXE: AdministrationTable E-1.Direct Trunk Attendant Console DefaultsInstalled Defaults)Codes and Data(Administration-7- SYS ACCESS12- FLEX DSS17

APPENDIX E: Administration Codes and DataTable E-J.MET Set Button Defaults†Cannot be changed.E-22

APPENDIX E: Administration Codes and DataTable E-K. PORT/PDC Administration, Data Terminals (Menu=12)ACTIONDESCRIPTlONDATA0Physical port numberCSSPP1

APPENDIX E: Administration Codes and DataTable E-K.PORT/PDC Administration,Data Terminals (Menu=1/2)(Contd)ACTIONDESCRIPTIONDATA67Allow terminal to op

APPENDIX E: Administration Codes and DataTable E-L.Data Port Type CodesIF THE DATA PORT TYPE ISCODE:I(DataLine Card (DLC)1801functionality for ZTN126

APPENDIX E: Administration Codes and DataTable E-M.Port Administration, Trunks (Menu=1)ACTIONDESCRIPTIONDATA0 Physical port numberCSSPP1Enter trunk po

APPENDIX E: Administration Codes and DataTable E-M. PORT Administration, Trunks (Menu=1) (Contd)ACTIONDESCRIPTlONDATA12For Switched Loop Attendant Sys

APPENDIX E: Administration Codes and DataTable E-N. Trunk Type CodesIf the Trunk Type is:Code:Ground Start, CO701†Ground Start, WATS, FX702Ground Star

APPENDIX E: Administration Codes and DataTable E-O.Trunk Class-of-Service (for all trunks except DID)TRUNK CLASS-OF-SERVICE(FOR ALL TRUNKS EXCEPT DID)

APPENDIX E: Administration Codes and DataTable E-P.Port Administration, Auxiliary Equipment (Menu=1)ACTlONDESCRIPTlONDATA0Display physical port number

INSTALLATIONCablesSplitter CablesThe splitter cables (Figure 2-5) connect trunk circuits from the 700A jacks to thesystem cabinets or 10B ETU (3:1 onl

APPENDIX E: Administration Codes and DataTable E-P. Port Administration, Auxiliary Equipment (Menu-1 ) (Contd)ACTIONDESCRIPTlON DATA1Assign voice Mess

APPENDIX E: Administration Codes and DataTable E-Q. Special Feature Port Type CodesThis table shows data values associated with Action=1 on Table E-P.

APPENDIX E: Administration Codes and DataTable E-R.Port OptionsPORTS, Station/Trunk/Special Port Circuit Board OptionsFOR QUALIFIED SYSTEMS TECHNICIAN

APPENDIX E: Administration Codes and DataTable E-S. Applicable OptionsSee WARNING for Table E-R. Also note that a bullet in a box on thistable indicat

APPENDIX E: AdministrationTable E-T. PDC Administration (Menu=2)Codes and DataACTION DESCRIPTIONDATA0Move this station to a new port[CSSPP (new port a

APPENDIX E: Administration Codes and DataTable E-V. System Administration (Menu=4)ACTION DESCRIPTlONDATA3Assign the number of rings before[Number of r

APPENDIX E: Administration Codes and DataTable E-V. System Administration (Menu=4) (Contd)ACTIONDESCRIPTION DATA37Specify type of dialing plan for Hom

APPENDIX E: Administration Codes and DataTable E-V. System Administration (Menu=4) (Contd)ACTIONDESCRIPTlONDATA75Change administration password (up to

APPENDIX E: Administration Codes and DataTable E-V. System Administration (Menu=4) (Contd)ACTIONDESCRIPTIONDATA89Should this SLAC attendant (specified

APPENDIX E: Administration Codes and DataTable E-V. System Administration (Menu=4) (Contd)ACTIONDESCRIPTlON DATA103For Callback Queuing:Enter the[0-1

INSTALLATIONOctopus CablesOctopus cables (Figure 2-6) connect the station port and CPU/Memory circuitpacks to the SIP adapters. Each cable consists of

APPENDIX E: Administration Codes and DataTable E-V. System Administration (Menu=4) (Contd) ACTIONDESCRIPTlONDATAI130Assign RIMS barrier code digits (5

APPENDIX E: Administration Codes and DataTable E-W. Standard Call Type DefaultsFOR SWITCHED LOOP SYSTEMS ONLYDEFAULTDEFAULTCALL TYPECODEPRIORITYATTEND

APPENDIX E: Administration Codes and DataTable E-X. Message-Center-Like Call-Type Defaults (effect of Action 90)FOR SWITCHED LOOP SYSTEMS ONLYDEFAULTD

Table E-Z. Direct Group Calling (DGC) Administration (Menu=6)ACTION DESCRIPTlONDATA123111213142021515253Assign a DGC access code (0 to deletean existi

APPENDIX E: Administration Codes and DataTable E-AB.DGC Announcement AdministrationACTIONDESCRIPTIONDATA1DGC Announcement2552PDC[Unique PDC]3Dial Rest

APPENDIX E: Administration Codes and DataTable E-AC. Searches: Action Items (Menu=8)ACTION DESCRIPTIONDATA1Search for PDCs of call coverage[1]senders2

APPENDIX E: Administration Codes and DataTable E-AC.Searches: Action Items (Menu=8) (Contd)ACTION DESCRIPTIONDATA1Search for PDC of pickup group[9]mem

APPENDIX E: Administration Codes and DataTable E-AC.Searches: Action Items (Menu=8) (Contd)ACTIONDESCRIPTIONDATA1Search for button location on a stat

APPENDIX E: Administration Codes and DataTable E-AC.Searches: Action Items (Menu=8) (Contd)ACTION DESCRIPTIONDATA1“Given number, get Display ID” searc

APPENDIX E: Administration Codes and DataTable E-AD. Board Type—Wildcard RepresentationCATEGORY:BOARD DESCRIPTION:DATA:EmptyEmpty Slot (Searches 15 &a

INSTALLATIONconnector and a KS23146,L3 50-pin male connector.To connect a DS1 interface circuit pack to a 551-typeUnit (CSU), field terminate the 15-p

APPENDIX E: Administration Codes and DataTable E-AE.Port/Board Type—Specific RepresentationCATEGORY:DESCRIPTION: DATA:Voice StationSINGLE-LINE VOICE

APPENDIX E: Administration Codes and DataTable E-AE.Pod/Board Type—Specific Representation (Contd)CATEGORY:DESCRIPTION:DATA:Voice Station(Contd)ATTEND

APPENDIX E: Administration Codes and DataTable E-AE. Port/Board Type—Specific Representation (Contd)CATEGORY:DESCRIPTION:DATA:Trunk(Contd)Delay Dial-i

APPENDIX E:TableFor Action=1,Administration Codes and DataE-K Save/Restore and System Restarts (Menu=9)you need to press the PLAY and RECORD buttons.F

APPENDIX E: Administration Codes and DataTable E-AG.RS232 Port Administration (Menu=10)In response to "RS232=", enter the RS232 connector (1

APPENDIX E: Administration Codes and DataTable E-AH.Automatic Route Selection Administration (Menu=1)ACTIONDESCRIPTIONDATA100Assign a pattern number[1

APPENDIX E: Administration Codes and DataTable E-AH. Automatic Route Selection Administration(Menu=11)(Contd)ACTIONDESCRIPTIONDATA230Assign Route 3 fo

APPENDIX E: Administration Codes and DataTable E-AH. AutomaticRoute Selection Administration (Menu=11)(Contd)ACTIONDESCRIPTlONDATA601Assign a 7-digit

APPENDIX E: Administration Codes and DataTable E-AH.Automatic Route Selection Administration(Menu=11)(Contd)ACTIONDESCRIPTlONDATA900N11 CO exchange f

APPENDIX F:Administration Error MessagesAPPENDIX F shows Basic Administration error codes and descriptions. TheAdvanced Administration system uses dif

INSTALLATIONAT&TCAR 1CABLELABELSCAB1 SLOT1CAB1 SLOT1CAB1 SLOT2CAB1 SLOT2CABl SLOT3CAB1 SLOT3CAB1 SLOT4CAB1 SLOT4CAB1 SLOT5CAB1 SLOT5CAB1 SLOT6CAB1

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION1006:incorrect entry Cabinet-Slot-Port (CSSPP) PP mustport-on-b

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTlON POSSIBLE SOLUTION1017: inappropriate requestCap already installedsystem already

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTlON1031:at installed maxAt system maximum of 12 touch--12 Touch-Ton

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION1044:inappropriate requestNeither primary nor secondary CAPprim

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTION POSSIBLE SOLUTION 1056: inappropriate requestTrying to administer something othe

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTION1069: incorrect facility typeincompatible with boardtype1070: facility type outof

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION1083: inappropriate request Recheck translations to see if TTTT

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION1094:inappropriate requestDisplay attendant positiononly DISPLAY

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION2003: incorrect button numberCheck button range for station type

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTION POSSIBLE SOLUTION2026: incorrect entryCheck to see if trunk istrunk does not exi

INSTALLATIONSymbols Used in FiguresModular jacks are shown by the triangle symbol. The 25-pair connectors areindicated by shaded blocks.Generally, onl

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION2039:inappropriate requestCannot assign buttons that arebuttons

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTION POSSIBLE SOLUTION2053:incorrect entryArea Code = NPAincorrect area code officewh

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTION POSSIBLE SOLUTION2074:inappropriate requestCheck Home Area Code/Toll Calloffice

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION2082: inappropriate requestSee: MENU = 7 (TCA)superset exists-li

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION2089entry out of rangeARS Facility Level = O-3.facility restrict

APPENDIX F: Administration Error MessagesERROR MESSAGEIAND DESCRIPTIONPOSSIBLE SOLUTION3015: at installed maxCan install 16 trunk group-pool groupsmax

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION4001:entry out of rangeMaximum FPDCs = 300FPDC max reached4002:

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION5013:incorrect entryDay= HHMM where HH=00-23incorrect hours data

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION6016: incorrect facility type The subtype number is the entereds

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION7005:incorrect entryEntered data not valid for restrictingincorr

THE FOLLOWING SYMBOLS AND PICTOGRAPHSAPPEAR ON THE EQUIPMENTSYMBOLThe exclamation pointwithin an equilateraltriangle is intendedto alert the user toth

INSTALLATIONPREINSTALLATION REQUIREMENTSThe AT&T System 25 Reference Manual (555-540-200) provides a completelisting of System 25 equipment locat

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION7023: incorrect entryData value cannot exceed 1.data can’t excee

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION7037: inappropriate requestDirect Group Calling Delayannounceme

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION7047: incorrect PDCCan verify that the PDC is not in anot in an

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION7054: out of space System speed digit pool is full.no more room

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION7401:incorrect MENU = 10 (RS-232) TARGET = 1entryACTION = 1 DATA

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION8111: incorrect entry trunk pool does not existChec

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTION POSSIBLE SOLUTION8402:entry out of rangeThe list number range is betweenlist ref

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION8418:entry out of rangeMENU = 11 (ARS) ACTlON = 501list member m

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION8429: inappropriate requestThe telephone number cannot bephone n

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION8700:action number out of Must enter pattern number first.sequen

NOTES :1.2.3.4.5.115V AC, 60 Hz, 15 AMP OUTLETS(HUBBELL 5262 OR EQUIVALENT)MUST BE LOCATED WITHIN 4 FEETOF SYSTEM CABINETS.MULTIPLE CABINET SYSTEMS RE

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION9003:inappropriate requestMENU =1 (Port) under Specialstation to

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTIONI9025:inappropriate requestRemoval of a station is disallowed i

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION9035: inappropriate requestAll Agent buttons that are in the sam

APPENDIX F: Administration Error MessagesERROR MESSAGEAND DESCRIPTIONPOSSIBLE SOLUTION9047 Incorrect entry.Must be CSS or 0.9048Cannot change board ty

GLOSSARYGLOSSARYThe following is alist of definitions of terms used in System 25documentation.AdministerTo access and change the parameters associated

AttendantThe operator of the attendant console.Attendant Console● Direct Trunk Console: An electronic call-handling position withpushbutton control.

GLOSSARYBufferA circuit or component that isolates one electrical circuit fromanother. Typically, a buffer holds data from one circuit or processuntil

GLOSSARYCentral Office CodesThe first three digits of a 7-digit public network telephone number.These codes are numbered from 200 through 999 and ares

GLOSSARYCovering UserThe person at an alternate answering position who answers aredirected call.Data ChannelA communications path between two points u

GLOSSARYDelay-Dial Tie TrunkDigitalDigitalAfter a request for service (called a seizure) is detected on anincoming trunk, the system sends a momentary

INSTALLATIONAC PowerAll cabinets and any locally-connected System 25 peripheral equipment(System Administration Terminal [SAT], Station Message Detai

GLOSSARYDual-Tone Multifrequency (DTMF)Industry terminology for touch-tone calling.Emergency Transfer Unit (ETU)Provides direct connection of designat

GLOSSARYFacilityBy technical type these include loop-start, ground-start, DID, data,and automatic ringdown trunks. These facilities may be accessed by

GLOSSARYGround-Start TrunkOn outgoing calls, System 25 transmits a request for service to thedistant switching system by grounding the trunk ring lead

Loop-Start TrunkModemModemSimplest type of central office (CO) trunk. Calls are originated byproviding a dc path between the tip and ring leads. The C

GLOSSARYNumber Plan Area (NPA)The area code.Off-Premises Station (OPS)An arrangement provided by the local telephone company permittingremote terminal

GLOSSARY● Floating— Assigned to visitors who will be moving about thepremises. Floating PDCs may be associated with theattendant position or may be “

ProtocolA set of conventions or rules governing the format and timing ofmessage exchanges toerrors.Public NetworkThe network that can beor long-distan

GLOSSARYReorder ToneAtone repeated 120 times a minute; indicates that at least one of thefacilities, such as a trunk or a digit transmitter, required

GLOSSARYSwitchThe software-controlled communications processor complex thatinterprets dialing pulses/tones/keyboard characters and makes theproper int

GLOSSARYTerminal EquipmentEquipment used to change information (sound, keystrokes) into anelectrical signal compatible with System 25’s port circuits.

INSTALLATION3.4.metal frame of the building, a concrete encased ground, or a groundring. If these grounds are not available, the water pipe ground can

GLOSSARYTrunk GroupTelecommunications channels assigned as a group for certainTrunk PortThe hardware (circuit pack) providing an interface between the

INDEXINDEX617APanels 2-6617A PanelsInstall 2-447300H SeriesTerminals 2-73Voice Terminal Tests 3-37300H Series Voice TerminalTests 3-3AAbbreviations 6-

INDEXCables B-10C-Type Connector 2-12Description 2-11octopus 2-72Splitter 2-11CablingAdd C-3Call CoverageTest 3-8Call Management System—installationGu

INDEXDTU (Continued)Operation 4-14DTU Troubles 4-81EEmergency Transfer 2-77, 4-4Install 2-77Test 3-15Unit Trouble 4-80EquipmentAuxiliary B-7Peripheral

INDEXInstall (Continued)SIP 2-44SMDR 2-111TAE 2-44Terminals 2-87Install STARLAN NETWORK Interface 2-112Installation 2-1system 2-1Installation and Ma

INDEXPanels (Continued)617A 2-6Parts B-1ADUs B-7Auxiliary Equipment B-7Cabinets B-1Cables B-10Circuit Packs B-3Connector Blocks B-9Cords B-10Cross-Co

INDEXSSAT 4-6Connection 2-102, 2-104, 2-706, 2-109Install 2-102SAT Troubles 4-81Selector ConsoleTest 3-9Service Telephone Number 4-9Single-LineVoice T

INDEXTerminal (Continued)System Administration 4-6Terminal Operations Manual 5-3TerminalsAdd C-10Install 2-87Voice B-4TestEquipment 2-2Test Equipment

INDEXUUndiagnosable Troubles 4-102Upgrade Kit (Rl or R2 to R3) B-2Upgrade Kit (Rl to R2 to R3]Parts B-2UpgradesSystem D-1User Guides (700 Series)VVoic

INSTALLATION● A single-point ground (SPG) system in which the green wire ground(system ground) and the telephone company ground are connectedto approv

INSTALLATIONSecondary ProtectionExternal secondary protection,located at the trunk access area of theSystem 25 cross-connect field, is required for al

INSTALLATIONBuilding WiringBuilding (station) wiring (must be 24 AWG or heavier) from voice and dataterminals to the equipment location should already

INSTALLATIONINSTALL SYSTEM CABINETSBefore beginning the cabinet installation, position the cabinet table within 2feet of the ac power receptacle. Mak

INSTALLATIONTable 2-B. Circuit Packs, Their Functions, and ProtectorsApproved SecondaryCircuit PackFunctionWiring ProtectorN/AZTN78Supports single-lin

INSTALLATIONTwo fans are located on the left-hand front side of each cabinet. Thecabinet’s power supply is located behind the fans; to the right of th

FCC NOTIFICATION AND REPAIR INFORMATIONAT&T SYSTEM 25This telephone equipment is registered with the Federal CommunicationsCommission (FCC) in acc

INSTALLATIONFigure 2-10.Three-Cabinet System, Front View With Covers Removed2-26

INSTALLATIONFigure 2-11.Position of Shorting Plugs on CPU/Memory Circuit Pack2-27

INSTALLATIONRequired Circuit Pack PositionsThe required CP positions for Cabinet 1 are:SLOT CP1ZTN129 or ZTN130 (R3)I2IZTN85 or ZTN131 (R3) Also, all

INSTALLATIONInstall 4A Retainer ClipsThe 4A retainer clips must be installed on each of the 12 receptacles on thelower rear panel of the cabinets.To i

INSTALLATIONConnect CabinetsThe Time Division Multiplex (TDM) bus extender cable and the intercabinet#6 AWG ground wire must be connected between cabi

INSTALLATIONside up).3.Install the upper rear panels.Route the extender cable betweenthe slots formed by the upper and lower rear panels.2-31

INSTALLATIONTDMBUSTERMCARDADDRPLUGTDM BEXTENCABLEADDPLUPLUGFigure~CABINET 3ON/OFF.SWITCHAC POWER# 6 AWGBUILDINGGROUNDWIRECABINET 2 AC POWER. #6 AWG2-

INSTALLATIONGround Wire ConnectionsThe cabinets are connected to the single-point ground with #6 AWG copperwires.(Building ground requirements are des

INSTALLATION5.Starting with Cabinet 2 or 3, turn on the power switch on eachcabinet [Cabinet 1 must be last).IMPORTANT: If power to Cabinet 1 is not t

INSTALLATIONCold Start the SystemTo ensure that the system recognizes the current position of the CPs, youmust cold start the system before beginning

that certification in writing may be required when an existingmultifunction system is being reconfigured as a Key system, if thecustomer desires the l

INSTALLATION7. The system will respond with:Action=8. Enter 20 for a cold start. The system will respond with:Save/Restore: Action=20 Data=9. Enter D.

INSTALLATIONCold and warm starts both display the same type of information on the SAT. Thisconsists of a listing of the version of the firmware loaded

INSTALLATIONThe SAT message for a cold or warm start appears after the system hasperformed all self-tests and reading of its configuration. Typical c

INSTALLATIONCheck Performance of Cabinet ComponentsEach CP has three colored LEDs on the front panel that indicate whether it isfunctioning properly o

INSTALLATIONTable 2-D.Circuit Pack LED Status IndicationsCircuit Pack TypeLEDs if NormalLEDs if FailedService Circuit (ZTN85 Steady Green andSteady Re

INSTALLATIONIf all the CPs are operating properly, only the green LED on the CPU/Memory CPand the amber LED on the Service Circuit should be flashing.

INSTALLATIONFigure 2-15.Typical System 25 Port Circuit PackReport ProblemsFollow local procedures to report faulty or damaged equipment.2-42November 1

INSTALLATIONInitialize SystemInstructionsfor initializing the system(based on the completedimplementationforms) are provided in the Administration Ma

INSTALLATIONInstall TAE, 617A Panels, and Fanning StripsTo install this equipment, proceed as follows:1.2.3.4.5.6.7.8.9.10.11.For each RJ21X, RJ2GX, a

INSTALLATIONFIRST108 ETUPLYWOODBACKBOARD1/2"ADD'L 700ABLOCKADD'LETUADD'L 700ABLOCKADD'L 700ABLOCKADD'L617APANELADD'

Your telephone company may make changes in its facilities, equipment,operations, or procedures that could affect the proper functioning of yourequipme

INSTALLATIONNOTE: GREATERTHAN 48" FOR5-PANELARRANGEMENTFIRST108ETUFigure 2-17. Alternate SIP and TAE Backboard Layout2-46

INSTALLATIONMount 858A or 2210A2 AdaptersTo install these adapters, proceed as follows:1. Using a wide blade screwdriver, pry off the upper adapter mo

INSTALLATIONUPPER ADAPTERMOUNTINGCLIPFigure 2-18.Mounting Adapters

INSTALLATIONINSTALL MODULAR BULK POWER SUPPLY(Optimal)The 346 Modular Bulk Power Supply (MBPS) is a cost-effective and flexiblealternative to the KS-2

INSTALLATIONTie trunks must be segregated on a separate block because a differentsplitter cable is used. Also, off-premises stations must be segregate

INSTALLATIONConnect Cabinets to TAE BlocksThe connections between the cabinets and the TAE blocks are made usingconnectorized splitter cables. Make su

INSTALLATIONConnect Tie TrunksA 2:1 connectorized splitter cable, WP90929, L3, is required to connect the700A Jack to the cabinet for tie trunks.1.2.3

INSTALLATIONInstall DS1DS1 signaling allows a digital connection between the System 25 and otherPBXs, Central Offices, Toll Offices, off premise stati

INSTALLATIONFigure 2-19.Direct Connection (Side by Side)NOTE: FOR DISTANCES OVER 50 FEET (15.2 M)USE C6E CONNECTOR CABLE(S) BETWEENH600 307,G2 CONNECT

Figure 2-21. DS1 Connections—1311 to 4310 FeetDS1 Connections—4311 Feet or MoreFor distances of more than 4311 feet, T1 line repeaters are required in

FCC WARNING STATEMENTFederal Communicatlons Commission (FCC) Rules require that you be notified ofthe following:This equipment generates, uses, and ca

INSTALLATIONOff Premises Metallic (Cable) ConnectionsThe connection between the System 25 and another DS1 interface is in mostcases a T1 line with rep

INSTALLATIONMICROWAVEINTERFACEMICROWAVEINTERFACELIGHT-GUIDEINTERFACELIGHT-GUIDEINTERFACEINFRAREDINTERFACEINFRAREDINTERFACE655 FEETMAXIMUMANY DS1INTERF

INSTALLATIONConnect the CSUThe CSU can be powered by the line or from a locally provided -48 V dcpower supply. Figure 2-25 shows the connections for c

INSTALLATIONConsideration should be given to installing secondary protection on eachout-of-building facility connected to the TAE if any of the follow

INSTALLATIONINSTALL EQUIPMENT ROOM STATION CABLINGSystem 25 is connected to the building (station) wiring in two stages. First,the building wiring is

INSTALLATION.2-61

INSTALLATIONConnect Building Wiring to SIPThe type of building wiring termination determines what types of adapters areused. Two types are supported:

INSTALLATIONZ21OA1ADAPTER(MODULAR TOMODULAR)PURSELOCK CLIP/( TYPICAL)Figure 2-27.Modular Plug Terminations Connected to the SIP2-63

INSTALLATION4-Pair Cable TerminationsEach 4-pair cable supports one station (Figure 2-28). It connects to a wiringblock on a 858A Adapter.1.2.3.4.5.6.

INSTALLATIONZZ1OA1ADAPTER(MODULAR TOMODULAR)PURSELOCK CLIP(TYPICAL)Figure 2-28.Cut Down Terminations Connected to the SIP2-65

normally dialed from a telephone associated with the system. Such an off-premises network call is originated at, and will be billed from, the system l

INSTALLATIONConnect Cabinets to SIPTable 2-E shows the type of terminals that can be connected to each CP typeand the maximum allowable cabling distan

NSTALLATIONPrepare Carrier Loading LabelsAs you connect the port CPs in each cabinet to the SIP, list the connectionson the Carrier Loading label. Thi

INSTALLATION2-68

INSTALLATIONModify Octopus Cables if RequiredIf flag--type cable ties are shipped loose, they must be installed on the earlyproduction octopus cables.

INSTALLATIONTO SWITCH TO SWITCH DISTRIBUTION RINGFLATTEN OCTOPUS CABLEBEFORE FEEDINGINTO THE50A FANNING STRIPION THE FLAGMOD PLUG ENDS TOFAN OUT TO(D-

INSTALLATIONMake SIP Connection for CPU/MemoryIn all cases, the CPU/Memory is connected to the SIP via an octopus cable.Since there are four ports on

INSTALLATIONFLAG-TYPECABLE TIESSTANDARD CABLEIMODIFIED CABLE FOR(FLAG TIEALTERNATE SIP ARRANGEMENTAT 65” REMOVED)Figure 2-31.Mounting Octopus Cable on

INSTALLATIONMake SIP Connections to Cabinet for 7300H Series Terminals1.2.3.4.5.6.7.8.9.Select the cable label sheet (Figure 2-7) that identifies the

INSTALLATIONMake SIP Connections to Cabinet for MET SetsFollow the same procedure as for 7300H Series terminals to connect MET setSIP appearances to t

INSTALLATION●Attach cable labels to the two octopus cable 25-pair connectors andflag-type tie wrap.●Attach octopus cables to the 853B adapter●Run the