Raisecom RC852-30-FV35 User Manual page 13

Off, got no error both on local and remote receive directions.
Attention:
Alarm priority level: Highest -- LOS > LOF> ERR – Lowest
Alarm indicator of E1 channel in fiber trunk
AIS (Red):
Red on: Alarm Indication Signal (AIS) alarm of local fiber receiving;
Red blink: Alarm Indication Signal (AIS) alarm of remote fiber receiving;
Off, no AIS both on dual direction
LOF (Red):
Red on: Loss of G.704 frame alarm of local fiber receiving;
Red blink: Loss of G.704 frame alarm of remote fiber receiving;
Off, no LOF both on dual direction
CRC (Red):
Red on: CRC4 error alarm of local fiber receiving;
Red blink: CRC4 error alarm of remote fiber receiving;
Off, no LOF both on dual direction
Fiber optical interface:
Single fiber optical port supports dual-strand fiber (S1 / S2 / S3) or single-strand fiber (SS13 / SS15 /
SS23 / SS25).
For dual-strand fiber interface, TX means output (transmit), RX means input (receive);
For single-strand fiber interface, TX and RX symbols means nothing, there are two separate
wavelengths in the single-strand fiber to carry out bi-direction transmitting.
V.35 interface:
This left figure is HDB26 connector, and it can connect to ISO2593 connector by
cable provided by Raisecom.
This left figure is ISO2593 connector of standard V.35 interface.
The connector used for this series device is DCE Connector Face – 34
Pin Female which can be connected to standard DTE cable.
The description of this interface is as below table:
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