1145B2 Power Supply - Avaya CMC1 Installation Manual

Installing and Cabling the Cabinets
Install and Wire Telephone Power Supplies
An attendant console can also derive auxiliary power from:
•
Individual 1151B or 1151B2 power supply
•
MSP-1 power supply
•
258A-type adapters
•
Bulk power supplies such as the 1145A1
Local and Phantom Power
An attendant console's maximum distance from the system is limited.
See Table 13.
Table 13: Attendant Console Cabling Distances
Enhanced Attendant
Console (302D)
With Selector Console
Phantom powered
Locally powered
Without Selector Console
Phantom powered
Locally powered

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.
NOTE:
Before you begin, read this
Perform these tasks in order:
1
Install the Wall-Mounting Plates
2
Mount the 1146B2 Power Distribution Unit
3
Install the Battery Mounting/Wiring
4
Install the Expanded Power Distribution Unit
5
Power Up and Test the Power Supply
6
Wire the 1146B2 Power Distribution Unit
7
Reset LEDs on Power Distribution Unit
84
24 AWG Wire (0.26
2
mm )
Feet Meters
800 244
5000 1524
1400 427
5000 1524
Important Warning for 1145B2 Power Supply
on page 89
on page 89
on page 91
on page 92
Installation, Upgrades and Additions for Avaya CMC1 Media Gateways
26 AWG Wire (0.14
2
mm )
Feet
500
3400
900
3400
on page 89
on page 90
on page 91
Meters
152
1037
274
1037
on page 85.
June 2004