15
COM3 [RS-485] connect
RS-485 2 wire Device
MT608
COM3 [RS-485]
9P D-SUB Female
RS-485 2 wire Device
4 Data+
Data+
5 Data-
Data-
6 GND
GND
COM3 [RS-485] connect
RS-485 4 wire Device
MT608
COM3 [RS-485]
9P D-SUB Female
RS-485 4 wire Device
2 Tx+
Rx+
RS485 Receive
3 Tx-
Rx- RS485
Receive
4 Rx+
Tx+ RS485
Transmit
5 Rx-
Tx- RS485
Transmit
6 GND
GND
2.3.4 USB Client port
The USB client port for ActiveSync
，
use a USB client to USB host cable connects the USB
client port on MT608 and the USB host port on user’s host PC.
Pin Function
1 N/C
2 USB_DATA-
3 U
4 GND
2.3.5 USB Host port
The USB Host port can connect USB mouse and USB keyboard.
From Jan. 2005, the MT608S without USB Host. Don’t set the CECP\USB Host to Enable.
The MT608S will can not startup.
