You can replace a clock module without powering down the router. However, you will need to reboot
the router to initialize the newly installed clock module.
1 Attach an ESD-preventive wrist strap to your wrist and connect the metal end to an appropriate
ground point on the rack.
2 Completely loosen the captive retaining screws and slide the installed clock module out of the
router, as shown in
the following figure
.
Figure 63: Removing a Clock Module
3 Align the replacement module with the card guides and carefully slide the module all the way into
the slot.
4 Align and securely tighten the retaining screws as shown in
the following figure
.
Figure 64: Installing a Clock Module
5 To initialize the clock module, reboot the router.
Replacing a T1/E1 Module
Before you replace a T1/E1 module on the E4G router, have the following items on hand:
•
ESD-preventive wrist strap
•
#1 Phillips screwdriver
Maintaining Your Equipment
E4G Routers Hardware Installation Guide
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