Avaya CMC1 manual 1145B2 Power Supply, Local and Phantom Power

Installing and Cabling the Cabinets

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	24 AWG Wire		26 AWG Wire
Console (302D)	(0.26 mm2)		(0.14 mm2)
	Feet	Meters	Feet	Meters
With Selector Console
Phantom powered	800	244	500	152
Locally powered	5000	1524	3400	1037
Without Selector
Console
Phantom powered	1400	427	900	274
Locally powered	5000	1524	3400	1037

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 Important Warning for 1145B2 Power Supply on page 97.

Perform these tasks in order:

1.Install the Wall-Mounting Plates on page 101

2.Mount the 1146B2 Power Distribution Unit on page 101

3.Install the Battery Mounting/Wiring on page 102

4.Install the Expanded Power Distribution Unit on page 102

5.Power Up and Test the Power Supply on page 103

6.Wire the 1146B2 Power Distribution Unit on page 104

7.Reset LEDs on Power Distribution Unit on page 106

96 Installation, Upgrades and Additions for Avaya CMC1 Media Gateways