Dell IP4700 Service Guide - Page 77

Replacing a Link Control Card, CAUTION, Handle a link control card gently

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Servicing and Upgrading an IP4700 3 Replacing a Link Control Card ! CAUTION Handle a link control card gently, and use an ESD wristband. Do not remove a faulty link control card until you have a replacement available. IMPORTANT: The IP4700s should have at least one link control card installed while it is powered up. Do not to remove both link control cards at once. If the unit needs to have both link control cards removed for an extended period of time (that is, more than two minutes), we recommend that you power off the system to prevent any damage. To remove a link control card: 1. If connected, loosen the two screws securing the copper cable to the link control card expansion (EXP) port, and disconnect it from the link control card, as shown in Figure 3-8. Copper cable EMC1459 Figure 3-8 Removing a Copper Cable from a Link Control Card 2. Lift up the latch on the link control card to release it from the slot, as shown in Figure 3-9. Replacing a Link Control Card 3-17

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3
Replacing a Link Control Card
3-17
Servicing and Upgrading an IP4700
Replacing a Link Control Card
CAUTION
!
Handle a link control card gently, and use an ESD wristband. Do
not remove a faulty link control card until you have a replacement
available.
IMPORTANT:
The IP4700s should have at least one link control card
installed while it is powered up. Do not to remove both link control cards at
once. If the unit needs to have both link control cards removed for an
extended period of time (that is, more than two minutes), we recommend
that you power off the system to prevent any damage.
To remove a link control card:
1.
If connected, loosen the two screws securing the copper cable to
the link control card expansion (EXP) port, and disconnect it from
the link control card, as shown in Figure 3-8.
Figure 3-8
Removing a Copper Cable from a Link Control Card
2.
Lift up the latch on the link control card to release it from the slot,
as shown in Figure 3-9.
EMC1459
Copper cable