Mx240 Scb Leds; Mx240 Scbe Description; Switch Fabric Components And Descriptions; Table 53: Scb Leds - Juniper mx240 Hardware Manual

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MX240 SCB LEDs

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Documentation

MX240 SCBE Description

Copyright © 2016, Juniper Networks, Inc.
1000Base-T Ethernet controller—Provides a 1-Gbps Ethernet link between the Routing
Engines
Ethernet switch—Provides 1-Gbps link speeds between the Routing Engine and the
DPCs, FPCs, and MPCs
Circuits for chassis management and control
Power circuits for the Routing Engine and SCB
LEDs—Provide status
MX240 Host Subsystem Description on page 21
MX240 Routing Engine Description on page 23
Three LEDs on the SCB indicate the status of the SCB. The LEDs, labeled
FABRIC ONLY , and OK/FAIL
the functions of the SCB LEDs.

Table 53: SCB LEDs

Label Color
Green
FABRIC
ACTIVE
Green
FABRIC
ONLY
–
Green
OK/FAIL
Red
–
MX240 Host Subsystem Description on page 21
MX240 SCB Description on page 91
MX240 Routing Engine Description on page 23
The MX SCBE serves the carrier Ethernet services router and carrier Ethernet transport
markets that require higher-capacity traffic support demanding greater interface density
(slot and capacity scale), as well as improved services. The upgraded SCB is supported
on MX960, MX480, and MX240 routers. Some key attributes of the MX SCBs are:
Chapter 8: Switch Fabric Components and Descriptions
, are located directly on the SCB.
State Description
On steadily Fabric is in active mode.
On steadily SCB operates in fabric-only mode.
Off SCB operates in fabric/control board mode.
On steadily SCB is online.
On steadily SCB has failed.
Off SCB is offline.
FABRIC ACTIVE
Table 53 on page 93 describes
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93