Removing A T1600 T-Cb - Juniper T1600 Hardware Manual

T1600 Core Router Hardware Guide
216

Removing a T1600 T-CB

The backup T-CB is hot-removable and hot-insertable.
The router can have up to two T-CBs. They are located in the upper rear of the chassis
in the slots marked CB0 and
CAUTION: Before you replace a T-CB, you must take the host subsystem
offline. If there is only one host subsystem, taking the host subsystem offline
shuts down the router. If the T-CB to be replaced is associated with the
Routing Engine currently functioning as the master Routing engine, switch it
to the backup before removing the T-CB. See "Taking the T1600 Host
Subsystem Offline" on page 213.
To remove a T-CB (see Figure 118 on page 216):
Take the host subsystem offline. See "Taking the T1600 Host Subsystem Offline" on
1.
page 213.
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
3.
the strap to one of the ESD points on the chassis. For more information about ESD,
see "T1600 Preventing Electrostatic Discharge Damage" on page 312.
Loosen the captive screws (using a Phillips (+) screwdriver, number 2) on the ejector
4.
handles on both sides of the T-CB faceplate.
Flip the ejector handles outward to unseat the T-CB.
5.
Grasp the ejector handles and slide the T-CB about halfway out of the chassis.
6.
Place one hand underneath the T-CB to support it and slide it completely out of the
7.
chassis.
Place the T-CB on the antistatic mat.
8.
If you are not replacing the T-CB now, install a blank panel over the empty slot.
9.
Figure 118: Removing a T-CB
CB1 . Each weighs approximately 5 lb (2.3 kg).
Copyright © 2010, Juniper Networks, Inc.