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DEFINITYEnterpriseCommunicationsServerandSystem75andSystem85
Terminals and Adjuncts Reference
555-015-201
Issue 11
December 1999
Adjunct Power
4-2
4
The distribution of power to the terminal equipment is provided by the
1146B distribution unit. The 1146B provides 32 standard 110 connections
to the load with overcurrent protection and alarm lights. The 1145B1/1146B
power arrangement is compact (measuring only 6.5 inches deep),
lightweight, plastic enclosed, and designed for easy wall- or rack-mounting.
During normal operation, the power supply/charger provides DC power to
the load via the distribution unit while maintaining the battery in a fully
charged condition. The power system continuously monitors systems
conditions with the status displayed on the front panel of the power supply
and distribution unit.
The following power supplies and transformers are NO LONGER recommended.
They have been replaced by the 1151A1 and 1151A2 power units and the 1145B1
bulk power unit described above.
■ 2012D AC transformer — can be used locally or in a satellite closet to
power a single 18 volt headset adapter or speakerphone.
■ KS-22911, L2 DC power supply — can be used locally or in a satellite
closet to power a headset adapter or speakerphone plus one additional
adjunct. This unit has a 48 volt power output of 10 watts.
■ KS-21239, L4, L5 AC transformer — can be used locally or in a satellite
closet to power a single 24 volt speakerphone-dialer.
■ PS3081096 AC transformer — can be used locally or in a satellite closet to
power the 24 V S201A or S203A speakerphones.
■ 329A DC power supply — can be used locally or in a satellite closet and is
capable of supplying power to any number of adjuncts that may be added
to a digital voice terminal. This unit has a power output of 25 watts.
■ 346A modular bulk DC power supply — can be used in a satellite closet
only and is capable of supplying power to any number of adjuncts that may
be added to a digital voice terminal. This unit provides switch-selectable
options for four outputs at 10 watts or two outputs at 20 watts.
■ 85B1-49 power unit — can be used locally or in a satellite closet to power
the 4A speakerphone.
■ 95B1 power unit — can be used locally or in a satellite closet to power a
2870A1 automatic dialer.
■ 353 DC Power Supply — can be used locally only. It is designed to supply
power to ISDN-BRI stations and their adjuncts. It has a power output of 12
watts.
■ 945 Bulk DC Power Supply — can be used in a satellite closet only. It is
designed to power ISDN-BRI stations and their adjuncts. It can optionally
be equipped with a battery to provide terminal operation for a limited time in
case of an AC power failure. Up to 26 ISDN-BRI terminals can be
supported by the 945 power supply.