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GV300TP User Manual
TRACGV300TPUM001
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2.3.Interface Definition
The GV300TP has two connectors which include a 16 PIN interface connector and a 14pin
interface connector. The 16 Pin interface connector contains the connections for power, I/O,
RS232, microphone, speaker, etc and the 14Pin interface connector contains High speed CAN,
Low speed CAN, K-LINE, L-LINE . The sequence and definition of these two connectors are shown
in the following figure:
Figure 2.The 16 PIN Connector on the GV300TP
Table 5.Description of 16 PIN Connections
Index
PIN Name
Description
1
MICP
2-2.2k Microphone (+),Internal bias
2
AGND
Microphone Ground (-)
3
IGN
Ignition input, positive trigger
4
RXD
RS232 Connect to external device TX
5
TXD
RS232 Connect to external device RX
6
GND
Power and digital ground
7
OUT3
Voltage output 3(5V/ 1-WIRE power support)/ Negative Output3
8
OUT2
Voltage output 2(12V)/ Negative Output2
9
EARP
Differential output, 32 ohm 1/4w speaker
10
EARN
11
PWR
External DC power input, 8-32V