Removing the Backup CB-RE
To remove a CB-RE (see Figure 230 on page 514):
NOTE: Remove the CB-RE as a unit.
CAUTION: Before removing a CB-RE, ensure that you know how to operate the ejector
handles properly to avoid damage to the equipment.
CAUTION: Before you replace a CB-RE, you must take the host subsystem offline. If
there is only one host subsystem, taking the host subsystem offline shuts down the
router.
1. Place an electrostatic bag or antistatic mat on a flat, stable surface.
2. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to
one of the ESD points on the chassis.
3. Open the ejector handles outward simultaneously to unseat the CB-RE.
4. Grasp the ejector handles, and slide the CB-RE about halfway out of the chassis.
5. Place one hand underneath the CB-RE to support it, and slide it completely out of the chassis.
6. Place the CB-RE on the antistatic mat or inside an antistatic bag.
7. If you are not replacing the CB-RE immediately, install a blank panel over the empty slot.
513
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