DUAL G703 Detector
B044
Configuration and operation
2004 dB Broadcast Ltd
7
Version 1.0
Selecting the relay drive signal
Each channel has a relay with two sets of contacts, which may be driven from one of four
detected error signals.
The error signals are:
Error
JP1
CH A
JP2
CH B
Description
Frame
FRM
FRM
Loss of framing or multi-framing (if enabled)
Level
LVL
LVL
Signal level below threshold set by RV1 (CHA) or
RV2 (CHB)
AIS
AIS
AIS
Alarm insertion signal present (AIS & TS16 AIS)
CRC-4
CRC
CRC
Quality below CRC-4 threshold (if enabled)
Selecting the micro-controller mode
The micro-controller may be operated in one of three modes:
Mode
JP3 position
Description
Near front panel
Not used
CRC4
CRC4_1
CRC-4 threshold alarm enabled (default)
CRC4
CRC4_2
CRC-4 threshold alarm disabled
MF-Dis
MF-Dis
Multi-frame disabled
