# Redundancy Status

You can determine the redundancy state of line modules by examining the online and redundant status LEDs (ERX7xx/14xx models only). See Table 19.

| Note: The REDUNDANT LED on the cOCx/STMx, FE-8, GE/FE, and HSSI modules is nonfunctional.

Table 19: Redundancy Status of a Line Module

ONLINE LED | REDUNDANT LED | State of the Line Module
--- | --- | ---
Off | Off | Module is booting or is an inactive primary line module.
On | Off | Module is active, but no standby module is available.
Off | On | Module is in standby state.
On | On | Module is active, and a standby module is available.