Replacing T640 Standard Sibs With Standard Sib Version B; Removing A T640-Sib - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide

Removing a T640-SIB

284

Replacing T640 Standard SIBs with Standard SIB Version B

To replace the T640 standard SIBs with Standard SIB Version B, perform the following
procedures:
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to one of the ESD points on the chassis.
Select one of the SIBs to replace, and take it offline by using one of the following
2.
methods:
Press and hold the
ONLINE/OFFLINE
seconds until the
OK
Issue the
request chassis sib offline
user@host> request chassis sib offline slot 0
NOTE: When you bring an active SIB offline, the spare SIB becomes active
and transitions to the
Replace the SIB with a standard SIB version B. Use the replacement procedures
3.
described in "Removing a T640 Standard SIB or Standard SIB Version B" on page 281
and "Installing a T640 Standard SIB or Standard SIB Version B" on page 282
NOTE: Ensure that the ejector handle tabs are properly mated inside their
corresponding chassis slots before you tighten the captive screws on the
ejector handles. You might have to close and open the handles a few times
before the tabs catch the slots.
To remove a T640-SIB (see
B" on page 281):
Have ready a replacement SIB or blank panel, an antistatic mat, and one dust cover
1.
for the fiber-optic array cable connector you remove from the T640-SIB.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
2.
the strap to an approved ESD grounding point.
Ensure that the fiber-optic array cable connectors plugged into the T640-SIB are
3.
labeled so you can reconnect them correctly.
Use one of the following methods to take the T640-SIB offline:
4.
Issue the following CLI command:
user@host> request chassis sib lcc number offline slot slot-number
For more information about the command, see request chassis sib.
button on the SIB faceplate for about five
LED is not lit.
command. For example:
Online state.
"Removing a T640 Standard SIB or Standard SIB Version
Copyright © 2013, Juniper Networks, Inc.