Monitoring the Control Board Status ! 307
Chapter 22: Monitoring the Control Board
Step 2: Check the Control Board Status from the Craft Interface
Action To check the Control Board operation status from the craft interface, use the
following CLI command:
user@host> show chassis craft-interface
Sample Output
t640@host>
show chassis craft-interface
FPM Display contents:
[...Output truncated...}
CB LEDs:
CB 0 1
--------------
Amber . .
Green * *
Blue * .
[...Output truncated...]
What It Means The sample output shows that the routing platform has two Control Boards online
and functioning normally. The Control Board installed in slot 0 is functioning as
master. If an amber asterisk displays, the Control Board has failed.
Alternative Action To view the Control Board status, you can do one of the following:
! (T320 router and T640 routing node) Look at the router craft interface host
module status or look at the LCD display for any Control Board alarms.
Table 72 describes the T320 router and T640 routing node host subsystem LED
states.
Table 72: T320 Router and T640 Routing Node Host Subsystem Craft Interface LEDs
! Look at the Control Board LEDs on the faceplate. See Figure 127 on page 305
for the Control Board location. For more information, see “Check the Control
Board LEDs” on page 309.
Label Color State Description
OK Green On steadily Host is online and functioning
normally.
FAIL Red On steadily Host is offline.
MASTER Green On steadily Host is functioning as master.
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