Install and Wire Telephones
Task List: Typical Emergency Transfer Panel and Telephone Installation
542
SI Installation and Upgrades
June 2004
5
Install the telephone:
— Connect telephone to the information outlet.
— Install patch cords/jumper wires between the system side and the station side of the station
distribution field on the MDF.
Figure 212: Connections for Telephone Used for Emergency Transfer
Return to Task List
Install Telephones Used for Emergency Transfer
and as Normal Extension (Trunk/Auxiliary Field)
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1
Connect a pair of wires between the -48V and GRD terminals on the yellow emergency transfer
row/connecting block to the EM TRANS RELAY PWR terminal. See
Figure 213, Connections
for Telephone Used for Emergency Transfer and as Normal Extension,
on page 543.
2
Connect CO trunk leads from the purple field to TC terminals on the yellow emergency transfer
row/connecting block for each trunk.
3
Connect CO trunk leads from the green field to TK terminals on the yellow emergency transfer
row/connecting block for each trunk.
4
Connect telephone leads from the purple analog line circuit pack row/ connecting block to the LC
terminals on the yellow emergency transfer row/connecting block for each telephone.
5
Connect ST leads on the yellow emergency transfer row/connecting block for each emergency
transfer telephone to the assigned terminal in the blue or white station distribution field.
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
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
1
2
3
2822
25
50
1
EMXR
2822
r758580b MMR 042996
Figure notes
1
To Network Interface Circuitry
2
To TN747B (or Equivalent)
Central Office Trunk Circuit Pack
3
To Blue or White Station Distribution Field
4
To Power Transfer Unit
5
To Control Carrier Auxiliary Connector
