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T640 Craft Interface Host Subsystem LEDs

 

Each host subsystem has three LEDs, located on the upper right of the craft interface, that indicate its status. The LEDs labeled HOST0 show the status of the Routing Engine in slot RE0 and the control board in slot CB0. The LEDs labeled HOST1 show the status of the Routing Engine in slot RE1 and the control board in slot CB1. Table 1 describes the functions of the host subsystem LEDs.

Table 1: T640 Host Subsystem LEDs

Label

Color

State

Description

FAIL

Red

On steadily

Host is offline.

OK

Green

On steadily

Host is online and is functioning normally.

MASTER

Green

On steadily

Host is functioning as the master.