IOP and IOA Module Specifications
1-port OC-12c/STM-4 IOP Module
Beta Draft Confidential
A-34
4/5/03
CBX 500 Multiservice WAN Switch Hardware Installation Guide
Status Indicators
LEDs: Good (green), Failed (red)
Port Alarm Indicators
LEDs: Yellow, Red
LED State
Status
Good ON
Normal operation
Failed ON
Indicates module failure
LED State
Status
Yellow ON
Downstream equipment sees loss of signal
Red ON
Loss of signal
Red BLINKING
Downstream equipment failure