Lucent Technologies 555-230-128 사용자 설명서
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 1-95
Install 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 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
2820
10
35
35
EMXR
ST
ST
7
5
7
6
8
3
4
r758582b MMR 042996