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DEFINITY Enterprise Communications Server Release 6
Installation and Test for Multi-Carrier Cabinets
555-230-112
Issue 5
May 1998
Install and Wire Telephones and Other Equipment
Page 5-42Emergency Transfer Units and Associated Telephones
5
Figure 5-19 shows the connections at the trunk/auxiliary field for a telephone
used for emergency transfer as well as a normal extension.
Figure 5-19. Connections for Telephone Used for Emergency Transfer and as
Normal Extension
Figure Notes
1. To Network Interface Facility
2. To Blue or White Station Distribution
Field
3. To TN742, TN746B, or TN769 (or
Equivalent) Analog Line Circuit Pack
4. To TN747 (or Equivalent) Central
Office 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 ACC PWR
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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