Lucent Technologies Release 6 用户手册
DEFINITY Enterprise Communications Server Release 6
Installation and Test for Multi-Carrier Cabinets
Installation and Test for Multi-Carrier Cabinets
555-230-112
Issue 5
May 1998
Install and Wire Telephones and Other Equipment
Page 5-43
Emergency Transfer Units and Associated Telephones
5
Install Telephone for Power Transfer Unit
Trunk/Auxiliary Field: Telephone Used Only for Emergency Transfer
1. Connect a pair of wires between the -48V and GRD terminals on the
yellow emergency transfer row/connecting block and the EM TRANS
RELAY PWR terminal. See
RELAY PWR terminal. See
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 ST leads on the yellow emergency transfer row/connecting block
for each emergency transfer telephone to the ST terminal appearance in
the yellow trunk/auxiliary 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).
the yellow trunk/auxiliary 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. Connect the ST leads from the terminal in Step 4 to the assigned terminal
in the blue or white station distribution field.
Trunk/Auxiliary Field: Telephone Used for Emergency Transfer and as
Normal Extension
Normal Extension
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
RELAY PWR terminal. See
Figure 5-19 on page 5-42
.
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 board row/
connecting block to the LC terminals on the yellow emergency transfer
row/connecting block for each telephone.
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 ST terminal appearance in
the purple trunk/auxiliary field.
the purple trunk/auxiliary field.
6. Connect the ST leads from the terminal in Step 4 to the assigned terminal
in the blue or white station distribution field.
Telephone Installation
Install telephone assigned to emergency transfer as follows:
1. Connect telephone to the information outlet.
2. Install patch cords/jumper wires between the system side and the station
side of the station distribution field on the MDF.