Replacing T640 Packet Forwarding Engine Components - Juniper T640 Hardware Manual
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- Hardware manual (580 pages) ,
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- Replacing (31 pages)
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Replacing T640 Packet Forwarding Engine Components
Copyright © 2013, Juniper Networks, Inc.
Install the cable connector to the fiber-optic array adapter. Align the connector with
5.
the fiber-optic array adapter, and carefully press it into the adapter until it stops. The
cable connector and adapter are keyed to ensure proper mating.
NOTE:
The optics in a fiber-optic array adapter are spring loaded, so you
must continue to apply force to a fiber-optic array cable connector or
loopback connector while securing it to a TX-SIB or T640-SIB adapter.
WARNING:
Do not look directly into a fiber-optic array adapter or a
connector at the end of a fiber-optic array cable attached to an adapter.
The fiber optics emit laser light that can damage your eyes.
Partially tighten the thumbscrew and captive screw on the fiber-optic array cable
6.
connector. (Use the supplied small slotted screwdriver to tighten the captive screw.)
Alternate between the thumbscrew and captive screw until the cable connector is
secured to the adapter.
Use one of the following methods to bring the T640-SIB online:
7.
Press and hold the online/offline button on the faceplate until the green
next to the button blinks.
Issue the following CLI command:
user@host> request chassis sib lcc number slot slot-number online
Check the LEDs on the T640-SIB faceplate to verify that the SIB is functioning normally.
8.
The green
LED should light steadily a few minutes after the T640-SIB is installed.
OK
If the
LED is lit steadily, remove and install the T640-SIB again (see
FAIL
a T640-SIB" on page 284
T640-SIB is not functioning properly. Contact your customer support representative.
Check the status of the T640-SIBs. Issue the following CLI commands:
9.
user@host> show chassis environment sib lcc number
For more information and sample output from these commands, see show chassis
environment sib.
T640 Chassis Description on page 13
T640 Switch Interface Boards (SIBs) Description on page 30
Maintaining the T640 SIBs on page 193
Replacing a T640 FPC on page 288
Replacing a T640 PIC on page 293
Replacing T640 PIC Cables on page 298
Chapter 17: Replacing T640 Router Hardware Components
and this procedure). If the
FAIL
LED
OK
"Removing
LED still lights steadily, the
287
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Troubleshooting
