Table 22: Component LED Location on the Router (continued)
LED Location on the RouterComponent
(M40e and M160 routers) On the PCG faceplate at the rear of the
router. Remove the component cover.
PCG
(M40 router) On the SCB faceplate at the front of the router, vertical
in the middle of the FPC card cage.
SCB
(M20 router) On the SSB faceplate at the top front of the router.SSB
(T320, T640, and T1600 routers) On the Control Board faceplate at
the upper rear of the chassis.
M120 router: On the craft interface.
(TX Matrix and TX Matrix Plus routers) On the Control Board faceplate
at the rear of TX Matrix router and front of TX Matrix Plus router.
Control Board
(T320, T640, and T1600 routers) On the SCG faceplate at the upper
rear of the chassis.
SCG
(M320, T320, T640, and T1600 routers) On the SIB faceplate at the
center rear of the chassis.
(TX Matrix and TX Matrix Plus routers) On the SIB faceplate at the
front of the chassis.
(M320 router) On the craft interface.
SIB
(M7i/M10i routers) On the DFEB faceplate at the rear of the router.CFEB
(M120 and M320 router) On the craft interface.FEB
(M7i router) On the FIC faceplate at front of the router.FIC
(M10i router) On the HCM faceplate at front of the router.HCM
Display Detailed Component Environmental Information
Purpose To check the component environmental information for the uptime to determine if it is
functioning properly.
Action To display detailed environmental status information about a component, use the
following command:
user@host> show chassis environment component-name
The command output displays the temperature of the air passing by the component, in
degrees Centigrade and Fahrenheit. It also displays whether the fans and/or blowers are
at normal or high speed.
65Copyright © 2012, Juniper Networks, Inc.
Chapter 3: Method and Tools for Monitoring Router Components
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