Avaya Media Gateway G700 User Manual
Installation and wiring of telephones and power supplies
Issue 9.1 June 2006
363
Figure 25: 808A Emergency Transfer Panel
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.
telephone and console power supplies. These are examples only and actual wiring procedures
may vary at each site.
The power is provided to telephones or consoles either centrally or locally.
Centrally located power supplies include:
●
●
Local power supplies include:
●
Figure notes:
1. 808A emergency transfer panel
2. Circuit start selection switches
2. Circuit start selection switches
3. Trunk identification label
4. 25-pair male connector
4. 25-pair male connector
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
12
EMERGENCY
TRANSFER
PANEL
TRANSFER
PANEL
CIRCUIT
1
2
POWER
TRUNK/TEST SWITCHES
TRUNK OPTION
LOOP
START
GROUND
START
BOTH SWITCHES MUST BE
THROWN TO ACTIVATE
TRUNK OPTION
THROWN TO ACTIVATE
TRUNK OPTION
TRANSFER TEST SWITCH
ACTIVATED
NORMAL
OPERATION
OPERATION
TRUNK IDENTIFICATION
TRUNK
LINE
EXT
LOC
808A
led808a LJK 040896