AT&T 1145 Specifications download pdf (Page 2)

Page 1 of 7

S1145B Battery Pack Operation Manual

Description

The S1145B is an improved direct replacement for the following Lucent/ATT ISDN

battery packs: 1147B1, 1148B1, 1149B1, and KS-21906. Features include 8 amp hour

battery capacity and compatibility with the existing wall mounting plate and connection

wiring.

The S1145B Battery Pack’s microprocessor-based controller monitors charge status and

automatically performs a periodic battery test to guarantee the holdover capability of the

pack. A Manual Battery Test Switch is also provided. The S1145B Battery Pack

provides LED indicators of the Battery Charge Status and the Battery Test Status.

The S1145B Battery Pack contains four 12 volt, 8 Amp-hour, sealed lead acid batteries,

connected in series to provide a nominal 48 Vdc. A panel-mounted fuse protects the

output.

Technical Specifications

Electrical Environmental

Nominal Output Voltage: 48 Vdc

Maximum Output Current: 6.00 A

Recommended Charge Voltage:54.0-56.4 Vdc

Rated Capacity: 8 Amp-hours @ C/20

Temperature: -20°C to +40°C

Humidity: 95% non-condensing

Optimum battery life will be achieved if the

unit is operated at a temperature of 25°C.

LED Indicators User Interface

Battery Charge Status:

Constant Green – Fully Charged

Flashing Green – Charging

Constant Red – Power Unit Fault

Battery Test Status:

Constant Green – Battery Good

Fast Flash Red – Wait, Then Test

Slow Flash Red – Replace Battery

Manual Battery Test Switch –Push to Test

NOTE: The Manual Battery Test switch is

disabled when the battery is charging. Also,

to prevent unnecessary battery discharge, the

Manual Battery Test is disabled for 5 minutes

following a Battery Test. In both cases, the

Wait, Then Test indication is displayed.

Fuse Replacement

3AG Fast-Acting 250V, 6.0A, Littlefuse Part Number 312 006 or Equivalent

CAUTION: For continued protection against risk of fire, replace only with the same

type and rating of fuse.

1 2 3 4 5 6 7 8

Comments to this Manuals

No comments

AT&T 1145 Specifications Page 2

Comments to this Manuals

Related products and manuals for Telephones AT&T 1145