Juniper Networks MX480 - Manual (Page 64)

SCB LEDs on the MX480 Craft Interface
Each SCB has two LEDs on the craft interface that indicates its status. The SCB LEDs,
labeled
0 and 1 , are located along the bottom of the craft interface. Table 15 on page 40
describes the functions of the SCB LEDs.
Table 15: SCB LEDs on the Craft Interface
Description State Color Label
SCB: Fabric and control board functioning normally. On steadily Green OK
SCB is transitioning online or offline. Blinking
The slot is not online. Off –
SCB has failed. On steadily Red FAIL
Fan LEDs on the MX480 Craft Interface
The fan LEDs are located on the top left of the craft interface. Table 16 on page 40
describes the functions of the fan LEDs.
Table 16: Fan LEDs on the Craft Interface
Description State Color Label
Fan is functioning normally. On steadily Green FAN
Fan has failed. On steadily Red
Related
Documentation
MX480 Craft Interface Description on page 37 •
• Alarm LEDs and Alarm Cutoff/Lamp Test Button on the MX480 Craft Interface on
page 37
• Alarm Relay Contacts on the MX480 Craft Interface on page 40
Alarm Relay Contacts on the MX480 Craft Interface
The craft interface has two alarm relay contacts for connecting the router to external
alarm devices (see
Figure 20 on page 41 ). Whenever a system condition triggers either
the red or yellow alarm on the craft interface, the alarm relay contacts are also activated.
The alarm relay contacts are located on the upper right of the craft interface.
Copyright © 2013, Juniper Networks, Inc. 40
MX480 3D Universal Edge Router Hardware Guide