Queclink GV300LAU, User Manual

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GV300LAU User Manual
QSZTRACGV300LAUUM0100 5
3. Interface Definition
The GV300L has a 16-pin interface connector which contains the connections for power, I/O,
RS232, MIC, etc. The sequence and definition of the 16-pin connector are shown in the following
figure:
Figure 3. The 16-pin Connector on the GV300LAU
Table 6. Description of 16-pin Connections
Pin No. Pin Name Function Description
1 MICP MIC positive input
2 MICN MIC negative input
3 IGN Ignition detection input, positive trigger
4 RXD The RXD_RS232
5 TXD The TXD_RS232
6 GND Power and digital ground
7 ADIN3/OUT3
One special I/O can be configured as a 0-32V analog input or an
open drain output with 150 mA max drive current
8 OUT2 Open drain output2, 150mA max drive current
9 SPKN Speaker negative output
10 SPKP Speaker positive output
11 PWR External DC power input, 8-32V
12 IN2 Digital input2, negative trigger
13 IN1 Digital input1, negative trigger
14 OUT1 Open drain output1, 150mA max drive current, with latch circuit
15 ADIN1/IN3 Analog input1 (0-32V) or digital input 3, negative trigger
16 ADIN2 Analog input2 (0-32V)
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