171
Installing and Wiring Telephones
October 2002
4 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. The ST terminal leads should be terminated on the following pairs: 1,
4, 7, 10, 13, 16, 19, or 22 (the first pair of any 3-pair group).
5 Install the telephone:
• Connect telephone to the information outlet.
• Install patch cords/jumper wires between the media gateway side and the station
side of the station distribution field on the MDF.
Install Telephones Used for Emergency Transfer
and as Normal Extension (Trunk/Auxiliary Field)
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
‘‘Connections for Telephone Used for Emergency Transfer and as Normal Extension’’ on
page 170.
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.
6 Install the telephone:
• Connect telephone to the information outlet.
• Install patch cords/jumper wires between the media gateway side and the station.
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