Replacing A Control Board Or Routing Engine Component; Replacing A T4000 Lcc-Cb - Juniper T4000 Hardware Manual

Replacing a Control Board or Routing Engine Component

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Replacing a T4000 LCC-CB

Copyright © 2018, Juniper Networks, Inc.
NOTE: To replace a solid-state disk or CompactFlash card, you must power
off the Routing Engine.
After you take the host subsystem offline, you can replace the following host subsystem
components:
Replacing a T4000 LCC-CB on page 275
Replacing a T4000 Routing Engine on page 280
Replacing a CompactFlash Card in a T4000 RE-C1800 Routing Engine on page 286
Replacing a Solid-State Disk in a T4000 RE-C1800 Routing Engine on page 290
Replacing a DIMM Module in a T4000 RE-C1800 Routing Engine on page 289
T4000 Host Subsystem Description on page 29
Prevention of Electrostatic Discharge Damage on page 423
request system halt
The router can have up to two LCC-CBs. They are located in the upper rear of the chassis
in the slots marked and
CB0
CAUTION: Before you replace a control board, you must take the host
subsystem offline. The backup control board is hot-removable and
hot-insertable. If the control board to be replaced is associated with the
Routing Engine currently functioning as the master Routing Engine, switch
the master to the backup before removing the control board. If there is only
one host subsystem, taking the host subsystem offline shuts down the router.
Taking the Host Subsystem Offline on page 276
1.
Removing a T4000 LCC-CB on page 277
2.
Installing a T4000 LCC-CB on page 278
3.
Chapter 29: Replacing Host Subsystem Components
. Each LCC-CB weighs approximately 5 lb (2.3 kg).
CB1
275