H3C Technologies H3C MSR 3600 - Manual (Page 65)

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Replacing a SIC
CAUTION:
SIC interface modules are not hot swappable. Make sure the router is powered off before installing a SIC.
To replace a SIC:
1. Completely loosen the captive screws of the SIC.
2. Gently pull the SIC out along the slide rails.
3. Install a new SIC. For the installation procedure, see " Installing the router ."
If you do not install a SIC, install a filler panel and tighten the screws.
Figure 82 Pulling a SIC out
Figure 83 Installing a filler panel
Replacing a DSIC
CAUTION:
DSIC interface modules are not hot swappable. Make sure the router is powered off before installing a
DSIC.