User's Manual

2.1、产品接口定义说明 ............................................................................................................... 6
2.1.1 前面板接口说明 ........................................................................................................ 6
2.1.2、后面板接口说明 ..................................................................................................... 6
2.1.3、侧面板接口说明 ..................................................................................................... 7
2.2、产品接口资源说明 ............................................................................................................... 7
2.2.1、电源输入端口 （12V DC） ................................................................................... 7
2.2.2、RS232 & RS485-1 接口(COM1&RS485-1) .............................................................. 8
2.2.3、RS-232 接口 （COM2、COM3、COM4） .................................................................. 8
2.2.4、音频功放接口(Speaker) ..................................................................................... 10
2.2.5、返回按键(Return) ............................................................................................... 11
2.2.6、USB Host 接口（USB2.0） .................................................................................. 12
2.2.7、USB OTG(OTG) ....................................................................................................... 12