Lucent Technologies definity Installation Manual page 98

DEFINITY Enterprise Communications Server Release 6
Installation and Test for Compact Modular Cabinets 555-230-128
1 Install and Cable the Cabinets
Install Emergency Transfer Unit and Associated Telephones
2. Verify dial tone is present at each trunk circuit.
Figure Notes
1. 808A emergency transfer panel
2. Circuit start selection switches
Figure 1-41. 808A Emergency Transfer Panel
3. Locate the circuit start selection switches. See
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
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.
POWER
CIRCUIT
1
1
2
3
2
4
5
3
6
7
4
8
9
5
10
12
TRANSFER TEST SWITCH
ACTIVATED
TRUNK IDENTIFICATION
TRUNK
LINE
EMERGENCY
TRANSFER
PANEL
TRUNK/TEST SWITCHES
TRUNK OPTION
LOOP GROUND
1
START START
2
BOTH SWITCHES MUST BE
THROWN TO ACTIVATE
TRUNK OPTION
NORMAL
OPERATION
EXT LOC
808A
led808a LJK 040896
3. Trunk identification label
4. 25-pair male connector
Figure
Issue 3
May 1998
Page 1-90
1-41. These are the