Northern Telecom Meridian SL-1 Reference Manual page 29

Chart 3-9
QPC705 converter replacement
Service in the cabinet is interrupted when performing this step.
St ep Pr oced ur e
1 Set the CAB INP breaker on the QUX19 power distribution unit to
OFF.
2 Remove the screws securing the QPC705 converter to the cabinet.
3 Slide the QPC705 converter out of its position and disconnect the
QCAD278 power cable from the connector at the rear of the
converter.
4 Perform this step only if the QCAD278 cable is being replaced.
a) Disconnect the QCAD278 cable from terminal 2 of TB2 on the
QUX19 unit, connector P2 at the rear of the QUAA3 unit and
from the lug on the ground bus.
b) Remove cable.
5 If QPC705 is being replaced, connect existing QCAD278 cable to
connector on rear of new QPC705 converter.
If the QCAD278 cable is being replaced, connect connector 705 of
new cable to connector at rear of existing QPC705 converter.
6 Install the QPC705 in its assigned position with the QCAD278 cable
towards the rear of the cabinet. Secure the QPC705 converter to the
cabinet with mounting screws.
2-Mb/s Remote Peripheral Equipment
Equipment replacement 3-15
CAUTION
Appendix 1 to 553-2741-500