Lucent Technologies 555-230-128 ユーザーズマニュアル
DEFINITY Enterprise Communications Server Release 6
Installation and Test for Compact Modular Cabinets
Installation and Test for Compact Modular Cabinets
555-230-128
Issue 3
May 1998
Install and Cable the Cabinets
Page 1-94
Install Emergency Transfer Unit and Associated Telephones
1
10. Connect the 808A to the MDF with a B25A or A25B cable.
Figure 1-42
shows the connections at the trunk/auxiliary field for a telephone used only
for emergency transfer.
for emergency transfer.
Figure 1-42.
Connections for Telephone Used for Emergency Transfer
Figure Notes
1. To network interface circuitry
2. To CO trunk circuit pack
3. To blue or white station distribution field
4. To power transfer unit
5. To control carrier AUX
connector
TC
TK
LC
ST
1M
1m
2M
2m
3M
ALARM MONITORS
EM TRANS RELAY 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
O
M
1
N
O
1
O
1
N
C
2
C
2
N
C
1
C
1
C
O
M
2
O
M
2
N
O
2
O
2
C
O
M
3
O
M
3
N
C
3
C
3
G
R
D
R
D
-48
V
1
2
3
2822
25
50
50
1
EMXR
2822
2822
r758580b MMR 042996