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097-55501-01 Issue 6 – June 2003 185
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5
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Maintenance
5.3.3 Management Card
To replace the fuse on the management card, follow the steps in
Procedure 5-7, and refer to Figures 5-3 and 5-6.
Procedure 5-7. Management Card Fuse Replacement
Step Action
1 If applicable, remove the cable connected to the management card.
2 Put on a properly grounded ESD wrist strap.
3 Using a #2 Phillips-head or Pozidrive screwdriver, loosen the captive screws at the top and
bottom of the card front panel.
4 Remove the card from the shelf.
5 Using a GMT fuse puller, remove the fuse from the fuseholder labeled F1.
6 Replace the fuse with a 1 amp GMT fuse: when inserting the fuse, do not force; the fuse
should easily snap-fit into the fuseholder.
7 Insert the card into the shelf: ensure that the card aligns properly with its mating backplane
connector; push the card into place until it is fully seated into the backplane connectors.
8 Wait 5 seconds.
9 Remove the card just enough so that it slides away from the backplane connector (to clear
the alarm).
10 Carefully re-insert the card into the shelf: again, ensure that the card is aligned properly
and is fully seated.
11 Press the Cutoff pushbutton several times.
12 Verify that any alarm conditions are cleared.
13 If applicable, re-connect the cable that was connected to the card.
14 Verify the Power lamp is lit.
15 If using a local communication connection, verify the Local lamp is lit. If using an LAN
connection, verify the Link lamp is lit.
16 Tighten the captive screws at the top and bottom of the card front panel.
End of Procedure
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