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DEFINITY Enterprise Communications Server Release 6
Installation and Test for Compact Modular Cabinets
555-230-128
Issue 3
May 1998
Install and Cable the Cabinets
Page 1-90Install Emergency Transfer Unit and Associated Telephones
1
NOTE:
Install the panel so it can be accessed only by authorized personnel.
The location must meet standard environmental considerations such
as temperature, humidity, and so forth.
2. Verify dial tone is present at each trunk circuit.
Figure 1-41. 808A Emergency Transfer Panel
3. Locate the circuit start selection switches. See Figure 1-41
. These are the
first 10 two-position switches on the left side of the 808A. The switches set
each of the 5 incoming trunk lines to either loop start or ground start. Two
Figure Notes
1. 808A emergency transfer panel
2. Circuit start selection switches
3. Trunk identification label
4. 25-pair male connector
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
12
EMERGENCY
TRANSFER
PA N E L
CIRCUIT
1
2
POWER
TRUNK/TESTSWITCHES
TRUNKOPTION
LOOP
START
GROUND
START
BOTHSWITCHES MUSTBE
THROWNTOAC TIVATE
TRUNKOPTION
TRANSFERTESTSWITCH
ACTIVATED
NORMAL
OPERATION
TRUNK IDENTIFICATION
TRUNK
LINE
EXT LOC
808A
led808a LJK040896