Product Card

2.Interface definition
1 …………………… 12
Pic 1
1. CANL 2. CANH
3. GND 4. COM3-RX of RS-232
5. COM3-TX of RS-232 6. COM4-RX of RS-232
7. COM4-TX of RS-232 8. COM2-485B
9. COM2-485A 10. GND
11. COM1-485B 12. COM1-485A
1 2 3 4 5
Pic 2
1
.
USB Slave interface （USB Device）
2
.
USB Host interface（USB host）
3. Stereo audio output interface
4. RS-232 interface (COM1,COM2)
（isolated）
5. 100m Ethernet interface
2.1 RS-232 interface
4 channel serial port，support the highest-level baudrate 115200bps. The corresponding
interface in Android system is COM1 ~ COM4. Specially COM1 and COM2 have 2 output type
as RS-232 and RS-485.
2.2 RS-485 interface
The corresponding port in Android system is COM1、 COM2, and COM1/COM2 is a
multiplexing of RS-232 interface ( COM1/COM2 ). Also, without terminal resistance inside ,pls
specify once in need.