AT&T MLC-6 Instruction Manual Page 20
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- Table of contents
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Line and Extension Numbering
Outside lines connect to the top two jacks on 206 modules and any jack on 400
modules. For each 206 module, the system assigns two lines and six
extensions; for each 400 module, the system assigns four lines. The system
numbers the lines from 01 through 24 (if you have the maximum number of
lines), and numbers the extensions 10 through 57 (if you have the maximum
number of extensions).
Figure 2-1 shows line and extension numbering for a system containing both
206 and 400 modules.
Line
Jacks
206
Modules
Extension
Jacks
Figure 2-1. Line and Extension Numbering
Connection of Telephones and Devices
Line
Jacks
400
Modules
Line
Jacks
You can connect the following telephones and devices to the system:
■
MLS- and MLC-Model System Phones. System phones require at
least two-pair wiring and are compatible with AT&T 4-pair SYSTIMAX™
wiring. If you need a shorter cord, use AT&T’s two-foot D4BU-29
mounting cord (available separately—see “Product Ordering
Information” in Appendix B). An MLS-34D or MLS-12D is required for
system programming at extension 10 or 11. Use an MLS-12D only if
there are no MLS-34D phones in the system.
■
MLS-CA24 Intercom Autodialers with Busy Indication. You can
connect up to two Intercom Autodialers to each system phone at
extensions 10 and 11 (maximum four per system). The Intercom
Autodialer has its own power supply, which must be plugged into an
AC outlet. (Two autodialers can share one power supply.)
Industry-Standard Devices. Industry-standard devices (including
standard phones) require one-pair mounting cords; AT&T D2R
mounting cords are recommended.
■
Standard Phones. Connect standard touch-tone or rotary dial
phones to the system for:
■
2-2 Installing the Hardware
- PARTNER™ 1
- Communications System 1
- Release 1 1
- Installation and Use 1
- Contents 3
- About This Guide 5
- Terminology 6
- Reference Materials 6
- How to Comment on This Guide 6
- Overview 7
- Features and Capabilities 9
- System Components 11
- Control Unit 12
- System Modules 12
- System Capacity 12
- Telephones 13
- System Telephones 13
- Other Devices 15
- Installing the Hardware 17
- Important Safety Instructions 18
- Line and Extension Numbering 20
- Combination Extensions 21
- An Example System Setup 22
- Installation Procedures 24
- WARNING: 25
- 2-8 26
- Assembling System Phones 27
- # ] button for five seconds 28
- # ] button, lift the 28
- Replacing a System Module 30
- Programming 31
- Procedure 32
- Page Procedure Page 32
- 3-ii 32
- Initial System Setup 34
- Copy Settings 34
- Changing the System Clock 35
- Adding New Lines 35
- Adding New Extensions 35
- System Programming 36
- 3-6 Programming 38
- Pickup Groups 40
- Calling Groups 40
- Extension Hunt Groups 41
- Night Service 42
- System Speed Dialing 44
- System Programming Procedures 45
- 3-14 46
- System Programming Reference 48
- ✔ = Factory Setting 48
- System Speed Dial 52
- Programming Reference 52
- Telephone Programming 53
- Personal Speed Dialing 54
- Programming Telephone Buttons 54
- Backup Programming Extension 55
- 3-24 Programming 56
- SPEED DIALING 58
- DIAL-CODE FEATURES 58
- Extension Programming 59
- Using Telephones 60
- Buttons and Indicators 62
- 4-4 Using Telephones 64
- Ringing Patterns 65
- Dial Tones 65
- Speakerphone Performance Tips 66
- Standard Telephones 67
- Using the Switchhook 68
- Limitations 68
- 4-10 Using Telephones 70
- Dial-Code Features 71
- Intercom ] [ 8 ] 74
- Answering a Call 78
- On a System Phone* 79
- On a Standard Phone 79
- To answer a call ringing 79
- Putting a Call on Hold 80
- Transfer ] or [ Hold ].) 81
- Transfer ] 81
- ✳ ] plus the 81
- Making a Conference Call 82
- Joining a Call 83
- Forwarding Calls 83
- Loudspeaker Paging 84
- Using Night Service 84
- Using Auxiliary Equipment 85
- Light Pattern 88
- Indicates 88
- Setting Up Fax Machines 89
- Single Fax Machine 90
- Fax Line Saver 90
- Send and Receive Fax Machines 90
- Answering Machines 92
- Personal Answering Machine 94
- Send and Receive Modem 95
- Automated Attendants 97
- Credit Card Scanners 98
- Night Service with 99
- Call Reporting Devices (SMDR) 100
- Considerations 101
- Serial Printers 101
- Call Accounting Devices 102
- Speed Dial Form 103
- Maintenance 105
- In Case of Difficulty 106
- Repair Information 112
- AT&T Limited Warranty and 112
- Limitation of Liability 112
- Product Ordering Information 114
- SOURCE (U.S.) 115
- System Modules and Wiring: 115
- Specifications 116
- FCC Information 118
- D-2 FCC Information 119
- Index IN-1 120
- IN-2 Index 121
- Index IN-3 122
- IN-4 Index 123
- Index IN-5 124
- IN-6 Index 125
- System Lines 127
- Extensions 127
- Auxiliary Equipment 128
- 518-455-310 129
- Graphics © AT&T 1988 129
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