Maintaining The T4000 Control Boards - Juniper T4000 Hardware Manual
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Also See for T4000:
- Datasheet (4 pages) ,
- Hardware manual (468 pages) ,
- Quick start manual (40 pages)
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Maintaining the T4000 Control Boards
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Copyright © 2013, Juniper Networks, Inc.
If the red
HOST0 FAIL
Subsystems" on page 196
Check the LEDs on the Routing Engine. During normal operation, the
each Routing Engine is lit green, indicating that the Routing Engine is functional.
Check the LCD on the craft interface to view information about the router temperature
and the status of the Routing Engines.
Use the
show chassis routing-engine
Engines.
T4000 Craft Interface LEDs on page 25
T4000 RE-C1800 LEDs on page 41
Maintaining the T4000 Host Subsystem on page 182
Maintaining the T4000 Control Boards on page 183
Troubleshooting the T4000 Routing Engines on page 199
Chassis Operational Mode Commands
For optimum router performance, verify the condition of the control boards.
On a regular basis:
Check the LEDs on the control board faceplate. During normal operations:
The green
OK
LED on the control board faceplate is lit.
The yellow
LED on the control board faceplate is not lit. if the
FAIL
"Troubleshooting the T4000 Host Subsystems" on page 196
the T4000 Control Boards" on page
Check the host subsystem LEDs (
normal operations:
The green host subsystem
The red host subsystem
If the red
HOST0 FAIL
Subsystems" on page 196
page
197.
Use the
show chassis environment cb
boards. During normal operations, the control board is
T4000 LCC-CB Control Board LEDs on page 37
Maintaining the T4000 Host Subsystem on page 182
Chapter 17: Maintaining T4000 Router Hardware Components
or
LED is lit, see
HOST1 FAIL
command to check the status of the Routing
197.
and
HOST0
HOST1
LED on the craft interface is lit.
OK
FAIL
LED on the craft interface is not lit.
or
LED is lit, see
HOST1 FAIL
and
"Troubleshooting the T4000 Control Boards" on
command to check the status of the control
"Troubleshooting the T4000 Host
LED on
ONLINE
is lit, see
FAIL
and
"Troubleshooting
) on the craft interface. During
"Troubleshooting the T4000 Host
online
.
183
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Troubleshooting
