SEI Telephony Products : ISDN Premises Power : 1145 Direct Replacements : S1145B Battery Pack

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	• P230 • B300
>	PoweRack SERIES
	• PR300e • PR230e • PR96e

>	DP SERIES
	• DP140e • DP240e • DP700e

>	1145 REPLACEMENTS
	• S1145B Battery Pack • S1145R Power Unit

>	BATTERY PACKS
	• BP-8U • High Capacity Batteries • Battery Replacement Program

>	STAND ALONE
	• DP20B • DP20B-E • 1215B

>	ISDN DISTR. BAYS
	• PDP30 • DM500

1145 Direct Replacements

S1145B Battery Pack

The S1145B is an improved direct replacement for the following Lucent/AT&T 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 microprocessor-based controller monitors charge status and automatically performs a periodic battery test to guarantee the holdover capability of the pack. Additional features include a Manual Battery Test Switch and LED indicators for Battery Charge Status and the Battery Test Status.

The S1145B 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. Note that the S1145R is the companion power unit for S1145B battery pack.

S1145B Battery Pack

Ordering Information
MODEL #	DESCRIPTION	DIMENSIONS (W"xD"xH")
S1145B	8 amp hour external battery pack, direct replacement for Lucent/ATT 114X	11.4 x 8.8 x 4.5

Technical Specifications

ELECTRICAL

Nominal Output Voltage: 48 Vdc
Maximum Output Current: 6.25 A max.
Recommended Charge Voltage: 54.0-55.2 Vdc
Rated Capacity: 8 Amp-hours

ENVIRONMENTAL

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 deg C.

LED INDICATORS

Battery Charge Status:

Constant Green - Fully Charged

Flashing Green - Charging

Constant Red - Improper Charging Voltage

Battery Test Status:

Constant Green - Battery Good

Fast Flash Red - Wait, Then Test

Slow Flash Red - Replace Battery

USER INTERFACE

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.

For order information or technical support contact us at
>> 800-765-4734


>	RELATED FILES

	Online Powering Guide A complete technical overview of ISDN premises powering.
	S1145B Product Information Sheet
	S1145 Installation and Operations Manual