Juniper M120 - Switch Fabric Components and Descriptions; M120 Forwarding Engine Boards (FEBs) Description

Table 38: M120 Control Board LEDs
DescriptionStateColorLabel
Control board is functioning normally.On steadilyGreenOK
Control board has failed.On steadilyYellowFAIL
Control board is master.On steadilyBlueMSTR
Related
Documentation
• M120 Control Board (CB) Description on page 47
• Maintaining the M120 Host Subsystem on page 266
• Replacing an M120 CB on page 202
49Copyright © 2018, Juniper Networks, Inc.
Chapter 5: Host Subsystem Components and Descriptions