Maintaining the T4000 Routing Engine and Control Boards
•
Maintaining the T4000 Host Subsystem on page 182
•
Maintaining the T4000 Routing Engines on page 182
•
Maintaining the T4000 Control Boards on page 183
Maintaining the T4000 Host Subsystem
Purpose
For optimum router performance, verify the condition of the Routing Engines and the
control boards.
Action
Each host subsystem comprises a Routing Engine and an adjacent control board
functioning together. To maintain the host subsystem:
•
Check the host subsystem LEDs (
HOST0
and
HOST1
) on the craft interface. During
normal operations:
•
The green host subsystem
OK
LED on the craft interface is lit.
•
The red host subsystem
FAIL
LED on the craft interface is not lit.
If the red
HOST0 FAIL
or
HOST1 FAIL
LED is lit, see
“Troubleshooting the T4000 Host
Subsystems” on page 196
•
Check the LEDs on the control board. See
“Maintaining the T4000 Control Boards” on
page 183
.
•
Check the LEDs on the Routing Engine. See
“Maintaining the T4000 Routing Engines”
on page 182
Related
Documentation
T4000 Craft Interface LEDs on page 25
•
•
T4000 LCC-CB Control Board LEDs on page 37
•
T4000 RE-C1800 LEDs on page 41
Maintaining the T4000 Routing Engines
Purpose
For optimum router performance, verify the condition of the Routing Engines.
Action
On a regular basis:
•
Check the host subsystem LEDs (
HOST0
and
HOST1
) on the craft interface. During
normal operations:
•
The green host subsystem
OK
LED on the craft interface is lit.
•
The red host subsystem
FAIL
LED on the craft interface is not lit.
Copyright © 2013, Juniper Networks, Inc.
182
T4000 Router Hardware Guide
Summary of Contents for T4000 -
Page 1: ...T4000 Core Router Hardware Guide Published 2013 08 28 Copyright 2013 Juniper Networks Inc ...
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Page 389: ...PART 6 Index Index on page 367 365 Copyright 2013 Juniper Networks Inc ...
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