Product Info

P ower Distribution Unit (PDU) Chapter 9: PDU R eplacement Procedures
Procedure 9 -2 Installing the replacement PDU
A T THE BTS SITE
1
Properly position the replacement PDU in the rack location.
Align the keyhole slots of the PDU mounting flanges with the two hanger screws and
hang the replacement PDU on the rack.
2
Insert screws in the two open slots of the PDU rack mounting flanges.
Tighten all four PDU rack mounting screws to 4.77 N-m (42 in-lb).
3
Reconnect all applicable cables to the PDU front panel connectors.
4
Connect the +27 V DC output power cable to the +27 V DC input power cable on the rear of
the PDU by mating the orange connectors.
5
P ower up the UBS Macro BTS frame according to the section: P ower-up the Frame on
page 2- 3 .
There is no optimization required for the PDU replacement.
A T THE OMCR
6
Restore site signaling operations according to Procedure 3-3 Restore site signaling
operations procedure for a packet BTS on page 3- 10 .
9 -6 68P09283A64 -3
FOA SEP 2007