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Installing and Wiring Telephone Power Supplies
October 2002
Installing and Wiring Telephone
Power Supplies
These links provide information and wiring examples of installation procedures for the
1145B22 and 1151A1/1151A2 power supplies. These are examples only and actual wiring
procedures may vary at each site.
NOTE:
Refer to the Installation and Adjuncts and Peripherals for Avaya MultiVantage™
DEFINITY Server to install the necessary peripheral equipment.
Power supplies include
• ‘‘1145B22 Power Supply’’ on page 278
• ‘‘1151A1 and 1151A2 Power Supplies’’ on page 287
• ‘‘P333T-PWR Power over Ethernet Stackable Switch’’ on page 289
1145B22 Power Supply
The 1145B22 closet power arrangement provides an uninterruptible -48 VDC power source
with battery and 1146B2 distribution unit for ISDN/DCP, terminal equipment, adjuncts, and
other customer-supplied equipment. During AC power interruptions, batteries automatically
provide power to the load.
NOTE:
Before you begin, read this ‘‘Important Warning for 1145B2 Power Supply’’ on page 278.
Perform these tasks in order:
1 ‘‘Install the Wall-Mounting Plates’’ on page 282
2 ‘‘Mount the 1146B2 Power Distribution Unit’’ on page 283
3 ‘‘Install the Battery Mounting/Wiring’’ on page 283
4 ‘‘Install the Expanded Power Distribution Unit’’ on page 284
5 ‘‘Power Up and Test the Power Supply’’ on page 285
6 ‘‘Wire the 1146B2 Power Distribution Unit’’ on page 285
7 ‘‘Reset LEDs on Power Distribution Unit’’ on page 286
Important Warning for 1145B2 Power Supply
!
WARNING:
Important Safety Instructions follow.
When operating this equipment, basic safety precautions must be followed to reduce the risk of
fire, electric shock and personal injury, including the following:
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