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User Guide and Instruction Manual
RS232 Connection – J6, J7
Connection
GND
RS485 Connection – J8
The Recorder can be controlled remotely by an external device such as the GPS or control system
using RS485 half-duplex serial communications signals.
Connection
GND
Audio Connection – J9
In addition to having audio channels with each camera connection, the recorder has two sources of
external audio. Connect the audio sources (microphone) to MIC 1 and MIC 2 as needed.
Connection
NOTE: The user is responsible to determine if local laws and regulations permit audio recording.
AUX Power Connection – J11
Connection
6
Two RS232 ports are provided to connect external devices such as GPS.
Master Unit
Rx
To
Tx
To
GND
To
Rx
Receive Data
Tx
Transmit Data
Chassis Ground
12V
VDC Output
5V
VDC Output
Master Unit
+
To
−
To
GND
To
−
RS485 − Data
+
RS485 + Data
Chassis Ground
12V
VDC Output
5V
VDC Output
MIC
Microphone Input
12V
VDC Output
GND
Chassis Ground
The Recorder has a 12 VDC output connector which provides power to external
devices up to 2A.
12V
VDC Output
GND
Chassis Ground
Slave Unit
TX
RX
GND
Slave Unit
TX+/ RX+
TX-/ RX-
GND
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