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2.4 Installation of the Trunk Cards
Installation Manual 89
BNC (coaxial) Connector (RX)
LED Indications
Maximum Cabling Distance of Extension Connection
The maximum distance of the extension cable that connects the E1 cards is shown below:
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)
1
2
Diameter Maximum Distance
0.5 mm: Under 200 m