Shenzhen Smart Device Technology Co.,Ltd
Web: www.smdt.com.cn Tel: 0755-61662980 Fax: 0755-26992201
Remark：31-34 Default pin is not welded
◆ 232 Serial port interface*2
Led out of the two sets of ordinary 232 serial port, can support the general market of the 232 serial
devices.
Remark：
1.Serial voltage matching, Cannot access directly TTL,485 serial device.
2.TX，RX whether the connection is correct.
NO. Definition Property Description
1 GND ground
electrode
ground electrode
2 PC232-RX input 232-RX
3 PC232-TX output 232-TX
4 VCC Power supply 5V output
Serial port
Serial port
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