Cisco Cisco Packet Data Interworking Function (PDIF) Guía De Instalación
Power Cabling
▀ Connect Power Feeds to the PFUs
▄ ASR 5500 Installation Guide
102
Connect Power Feeds to the PFUs
Caution:
To avoid personal injury or possible equipment damage, ensure that the circuit breakers for all
ASR 5500 chassis feeds from the power distribution panel are all set to OFF before attempting to attach power cables to
the PFU(s).
the PFU(s).
Caution:
Verify that all circuit breakers on the front panels of both PFUs (four per PFU) are set to OFF before
attaching power feed cables to the PFUs (see figure below). The breakers must remain OFF until the chassis is to be
powered up.
powered up.
Figure 24. PFU Front Panel
1
Handle
2
Circuit breaker
3
Blue LED
Important:
The eight power terminals on the back of each PFU are shipped with nuts and washers attached.
Step 1
Remove the plastic power input cover from the top-rear of the ASR 5500 chassis. Use a Phillips #2 head screw driver to
loosen the two captive screws securing the cover to the chassis. Removing this cover exposes the power feed terminals
at the rear of the PFUs.
loosen the two captive screws securing the cover to the chassis. Removing this cover exposes the power feed terminals
at the rear of the PFUs.
Step 2
Remove one nut, a lock washer and a flat washer from each of the eight terminals; leave the bottom nut on each
terminal. The nuts on the PFU terminals require a 7/16-inch nut driver or socket wrench for removal.
terminal. The nuts on the PFU terminals require a 7/16-inch nut driver or socket wrench for removal.