Cisco Cisco Packet Data Gateway (PDG) Guida All'Installazione
Replaceable Components
Circuit Cards ▀
ASR 5500 Installation Guide ▄
163
SSC
Step 1
Disable the CO alarms from the SSC at the alarm monitoring panel.
Step 2
Remove the DB15 connector from the SSC alarm port, if necessary.
Remove and Replace the Circuit Card
Caution:
Do not leave chassis slots uncovered for extended periods of time (more than a few minutes). This
reduces air flow through the chassis and could cause overheating. Make sure a card or baffle is installed in every
unpopulated chassis slot at all times.
unpopulated chassis slot at all times.
Important:
If your ASR 5500 chassis is equipped with a cable management system, refer to the special
instructions for Lowering the Cable Management Tray in the Cable Management System Installation appendix.
Caution:
All status LEDs on the failed card should be OFF prior to removing the card from the chassis. See
Step 1
Use a Phillips #2 screwdriver to loosen the captive screws within the top and bottom handles of the failed card. See
figure below.
figure below.
Step 2
Slide the blue subhandle underneath the top handle downward to unlock the handle and disable the card interlock
switch.
switch.
Step 3
Simultaneously pull both card handles firmly outward until the card is unseated from the midplane connectors.
Step 4
Firmly grasp the top and bottom edges of the card and pull the card slowly out of the chassis. Set the failed card safely
aside.
aside.
Step 5
the failed MIO/UMIO into the replacement MIO/UMIO.
Step 6
Flip the top and bottom handles of the replacement card fully outwards.
Step 7
Holding the card by the top and bottom edges of the front panel, align the card with the upper and lower card guides of
the chassis slot. Gently slide the card into the slot until the handles touch the card cage rails.
the chassis slot. Gently slide the card into the slot until the handles touch the card cage rails.
Step 8
Simultaneously push the top and bottom handles firmly inward until the card is fully seated in the midplane connectors.
Press firmly on the card's faceplate to ensure that it is fully seated. The front panel should be flush against the chassis
upper and lower card mounts for the slot.
Press firmly on the card's faceplate to ensure that it is fully seated. The front panel should be flush against the chassis
upper and lower card mounts for the slot.
Step 9
Slide the blue subhandle under the top handle to lock the handle in place and enable the interlock switch.
Step 10 Use a Phillips #2 screwdriver to tighten the captive screws within the top and bottom handles of the card.
Step 11 Reconnect any other I/O cables that may have been removed from the failed card.
Important:
Connectors on the fiber optic cables must be free of dust, oil, or other contaminants. Before