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3.5 Information about the Physical Trunk Cards
BNC (coaxial) Connector (RX)
| No. | Signal Name | Level [V] | Function |
1 | 1 | RX- | Receive data | |
2 | 2 | RX+ | (+) | Receive data (+) |
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 | |
|
|
| |
Red | |||
|
| • | 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) | |
|
|
| |
Green | Data link status indication | ||
|
| • | OFF: Not established |
|
| • | ON: Established |
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