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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 1-95Install Emergency Transfer Unit and Associated Telephones
1
Figure 1-43 shows the connections at the trunk/auxiliary field for a telephone
used for emergency transfer and as a normal extension.
Figure 1-43. Connections for Telephone Used for Emergency Transfer and as
Normal Extension
Figure Notes
1. To network interface facility
2. To blue or white station field
3. To analog line circuit pack
4. To CO trunk circuit pack
5. To power transfer unit
6. To control carrier AUX connector
TC TK LC ST
1M 1m 2M 2m 3M
ALARM MONITORS EM TRANSRELAY PWR ACCPWR
3m 3w
TC TK LC ST TC TK LC ST TC TK LC ST TC TK LC ST
C
O
M
1
N
O
1
N
C
2
N
C
1
C
O
M
2
N
O
2
C
O
M
3
N
C
3
G
R
D
-48
V
2820
10
35
EMXR
ST
ST
7
5 76 83 4
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