User's Manual

MC-Series System Installation & Testing
Scheduled and Unscheduled Maintenance
RadioFrame Networks, Inc. 111
Warning!
Verify that all breakers in the PDU are in the OFF position prior to proceeding.
Leave them in the OFF position until instructed otherwise.
1 Verify that all breakers are in the ‘off’ position on the front of the PDU.
2 Follow the power supply and battery manufacturer's installation and maintenance
documentation to remove power from the PDU.
3 Disconnect the powerplant from the PDU using the two lugs.
4 Remove all power connections from the back of the PDU.
5 Remove the 4 front mounting screws from the front of the PDU, and remove the PDU from
the rack, and then package it for shipment.
Figure 38 PDU Rear view
Figure 39 PDU rear view
6 Mount the replacement PDU.
While supporting the PDU, slide it into the cabinet mounting position. Secure the PDU to the
cabinet mounting rails using the four mounting screws provided with the unit. Tighten the
screws to 4.5 Nm (40 in-lb).
7 Reconnect all power connections to the back of the PDU.
8 Follow Power supply and battery manufacturer's installation and maintenance documentation
to install power to PDU.
9 Using the breakers on the PDU, turn up the BIC, AIC, and RBS 1 (and RBS 2 and RBS 3 if
present), and then verify that the components are operational before proceeding.
Wait approximately 3 minutes for the following indicators:
• RBS: The STATUS LED for each group will light green in this order: A, B, and then C.