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2.4 Installation of the Trunk Cards
102 Installation Manual
LED Indications
Indication Colour Description
CARD STATUS Green/Red 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
ONLINE Green On-line status indication
• ON: On-line mode
• Flashing: Emergency maintenance mode
ALARM Red Alarm indication
• OFF: Normal
• ON: Alarm
IAM BUSY Green Busy status indication
• OFF: Not used
• ON: At least one line is used
LINK Green Link status indication
• OFF: Connection error
• ON: Normal connection
DATA Green Data transmission indication
• OFF: No data transmitted
• ON: Data transmitting
COL Green Data collision indication
• OFF: No data collision
• ON: Data collision
SIOSEL Green Serial maintenance port status indication
• OFF: CPU power port used (maintenance port not available)
• ON: Maintenance port available