jotron TR-810 - I;O Connector (RJ45); MIC II Connector (RJ45)

DC Connector
Name
PIN
Purpose
Red wire
1
Connected to + DC voltage
Black wire
2
Connected to ground
Green wire
3
Ignition + DC voltage sense*
Table 3.2.2-1, DC connector, pin out *See chapter 3.2.2 for details
3.2.3 I/O connector (RJ45)
The transceiver unit I/O connector is used for multiple purposes described in the table.
I/O Connector
Name
PIN
Purpose
EX-SPEAKER
1
To external speaker.
EX-SPEAKER
2
To external speaker.
MONITOR
3
To tape recorder etc. 600Ω unbalanced
LOW POWER
4
Grounding this pin will force the transmitter to
1W power (Gas alarm)
BATT.COM
5
Communication between B-872 & TR-810
MUTE
6
Used to mute external equipment. Triggered by
squelch
+12VDC
7
+12 VDC to external equipment (100mA)
GND
8
Common ground
Table 3.2.3-1, I/O connector, pin out
3.2.4 MIC II connector (RJ45)
The microphone can be connected to this connector if it is convenient to have the microphone
connected at the rear side of the transceiver unit.
See chapter 4.7 and 5.5 for selecting an external microphone.
Rear mic. Connector
Name
PIN
Purpose
MIC. INPUT
1
Impedance 600 Ω. Sensitivity 3mV.
MIC. GND
2
Microphone ground.
Headset
3
Impedance 8 – 32 Ω >100mW
NC
4
Not in use
NC
5
Not in use
KEY
6
Grounding this pin will key the transmitter
+5VDC
7
+5 VDC Power to microphone (270 Ω in serial)
GND
8
Common ground
Table 3.2.4-1, MIC II connector, pin out
84417_O&I_TR-810_G  Functional description
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