Install and Wire Telephone Power Supply
Task List: Power Supplies
SI Installation and Upgrades 549
June 2004
Install and Wire Telephone Power Supply
This section provides information and wiring examples of installation procedures for various telephone
and console power supplies. These are examples only and actual wiring procedures may vary at each site.
NOTE:
Refer to Chapter , “Adjuncts and Peripherals” to install the necessary peripheral
equipment.
Task List: Power Supplies
For 1145B Power Supply on page 549, see:
• Important Warning for 1145B Power Supply on page 553
• Install the Wall-Mounting Plates on page 554
• Mount the 1146B Power Distribution Unit on page 555
• Install the Battery Mounting/Wiring on page 557
• Install the Expanded Power Distribution Unit on page 557
• Power Up and Test the Power Supply on page 559
• Wire the 1146B Power Distribution Unit on page 559
• Reset LEDs on Power Distribution Unit on page 560
For 1151A1 and 1151A2 Power Supplies
on page 561 see:
• Important Safety Instructions for 1151A1 and 1151A2 Power Supplies on page 563
• Using 1151A1 and 1151A2 Power Supplies on page 562
• Connect the 1151A1 or 1151A2 Power Supplies on page 563
1145B Power Supply
The 1145B2 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. Although
this power supply is available, we recommend that you use the 1151B1 or 1151B2 power supplies.
NOTE:
Before you begin, read this Important Warning for 1145B Power Supply on page 553.
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