IOP and IOA Module Specifications
6-port DS3 Frame/IP IOP Module
Beta Draft Confidential
A-18
4/5/03
CBX 500 Multiservice WAN Switch Hardware Installation Guide
Module Status Indicators
LEDs: Good (green), Failed (red), Redundant (green)
Port Alarm Indicators
LEDs: Yellow, Red
Figure A-4 on page A-19
shows the DS3 Frame/IP IOP and IOA modules.
LED State
Status
Good ON
Normal operation
Failed ON
Module failure
Redundant ON
Active module (that is, this module is online)
Good and Failed LEDs
BLINKING simultaneously
OS software image currently being downloaded from the
active SP
LED State
Status
Yellow ON
Downstream equipment sees loss of signal
Red BLINKING
Downstream equipment failure
Red ON
Loss of signal