84417_O&I_TR-810_C
Functional description
Page 3-4
DC Connector
Name
PIN Purpose
Red wire
1
Connected to + DC voltage
Black wire
2
Connected to minus
Green wire
3
Ig DC voltage sense
Table 3.2.2-1, DC connector, pin out
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
low power (Gas alarm)
NC
5
Not in use
MUTE
6
Used to mute external equipment. Triggered by
squelch
+12VDC
7
+12 VDC to external equipment (10mA)
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
MIC. GND
2
Headset
3
NC
4
Not in use
NC
5
Not in use
KEY
6
Grounding this pin will key the transmitter
+12VDC
7
+12 VDC to external equipment (10mA)
GND
8
Common ground
Table 3.2.4-1, MIC II connector, pin out