LED Indications
Indication
Color
CARD STATUS
Green/Red
ONLINE
Green
ALARM
Red
IAM BUSY
Green
LINK
Green
DATA
Green
COL
Green
SIOSEL
Green
Description
Card status indication
•
OFF: Power Off
•
Green ON: Normal (all ports are idle)
•
Green Flashing (60 times per minute): Normal (a port is in use)
•
Red ON: Fault (includes reset)
•
Red Flashing (60 times per minute): Out of Service
On-line status indication
•
ON: On-line mode
•
Flashing: Emergency maintenance mode
Alarm indication
•
OFF: Normal
•
ON: Alarm
Busy status indication
•
OFF: Not used
•
ON: At least one line is used
Link status indication
•
OFF: Connection error
•
ON: Normal connection
Data transmission indication
•
OFF: No data transmitted
•
ON: Data transmitting
Data collision indication
•
OFF: No data collision
•
ON: Data collision
Serial maintenance port status indication
•
OFF: CPU power port used (maintenance port not available)
•
ON: Maintenance port available
2.4 Information about the CO Line Cards
Installation Manual
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