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DEFINITY Enterprise Communications Server Release 6
Installation and Test for Multi-Carrier Cabinets
555-230-112
Issue 5
May 1998
Install and Wire Telephones and Other Equipment
Page 5-4
5
Connect Adjunct Power
The attendant console requires -48 VDC adjunct power from pins 7 and 8 of the
information outlet. Only 3 consoles can be powered by the cabinet from the AUX
connector. Power the primary console from the cabinet so it has the same power
failure backup as the system.
1. For terminals needing adjunct power, wire -48 VDC and ground to
appropriate pins on the terminal. See Figure 5-3
. Use the 400B2 adapter
when connecting local -48 VDC power to a modular plug.
Figure 5-3. 400B2 Adapter Connecting to a Modular Plug
!
CAUTION:
Do not use the 329A power unit for the attendant console. Use an 1151A,
1151A2, 1145A, or MSP-1 power unit.
Adjunct power can be provided from the equipment room or equipment closet
with an 1145B power unit. See ‘‘
1145B Power Supply’’ on page 5-45.
Adjunct power can also be provided locally at the telephone or console with a
1151A or 1151A2 power unit. See ‘‘
1151A Power Supply’’ on page 5-54.
Figure Notes
1. Flush-Mounted Information Outlet
2. Surface-Mounted Information Outlet
3. To Individual Power Unit
4. 400B2 Adapter
5. To Telephone
6. Destination Service Access Point
(DSAP) Power Cord
r749428 KLC 060396