IOP and IOA Module Specifications
6-port DS3 Frame/IP IOP Module
Beta Draft Confidential
A-184/5/03 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)
GoodandFailedLEDs
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
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