Issue 3 January 2008 109
Chapter 7: Installing and wiring telephone power supplies
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:
Note: See Adding New Hardware for Avaya Servers and Gateways (03-300684) to
install the necessary peripheral equipment.
The power is provided to telephones or consoles either locally or centrally.
Centrally located power supplies include
1145B2 power supplyon page 109
1152A1 Mid-Span Power Distribution Uniton page 119
1152B Mid-Span Power Distribution Unitson page 123
C360 converged stackable switches on page128
Local power supplies include
1151B1 and 1151B2 Power Supplieson page 131

1145B2 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:
Note: Before you begin, read this Important warning for 1145B2 power supplyon
page 110.
Perform these tasks in order:
1. Mounting the 1145B2/1146B2 power supplyon page 111
2. Installing the wall-mounting plates on page 114
3. Mounting the 1146B2 Power Distribution Uniton page 114