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2.4 Installation of the Trunk Cards
96 Installation Manual
BNC (coaxial) Connector (RX)
LED Indications
No. Signal Name Level [V] Function
1 RX- (-) Receive data (-)
2 RX+ (+) Receive data (+)
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
SYNC-ERR Red Non-synchronisation status indication
• OFF: Normal
• ON: Out of synchronisation
RAI Red RAI signal status indication
• OFF: Normal
• ON: Alarm (Clock Slave)
• Flashing (60 times per minute): Alarm (Clock Master)
AIS Red AIS status indication
• OFF: Normal
• ON: Alarm
SYNC Green Synchronisation status indication
• OFF: Not synchronised
• ON: Synchronised
• Flashing (60 times per minute): Synchronised (Clock Master)
D-LINK Green Data link status indication
• OFF: Not established
• ON: Established
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