User's Manual

ACR350 Validator with QR Code Scanner – User Manual [e-mail]
Version 1.02 www.acs.com.hk
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2.1.2. Input Power, RS232, RS485 Pin Assignment
Power Socket Type: Molex 43045-0400, Micro-Fit 3.0 Right Angle Header, 3.00mm Pitch, Dual Row,
4 Circuits. Refer to Section 2.5 for details about ignition sense.
RS232, RS485 Socket type: RJ11
Pin Assignment is shown as below:
Figure 3: ACR350 Input & Power
Pin Number
Pin Name
1
NC
2
RS232-TX
3
RS232-RX
4
RS485-A
5
RS485-B
6
GND
Table 3: ACR350 Input Power Pins Description
Note: Below is the application direct access device paths list:
 RS232 - /dev/ttymxc1 (default setting: 115200 baud, 8 data bits, no parity, and 1 stop bit)
 RS485 - /dev/ttymxc2 (default setting: 115200 baud, 8 data bits, no parity, and 1 stop bit)
 USB disk - /media/udiskp1
+ +
- -
6 1