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2.3.2 Connector COM1[RS485] , COM3[RS485] and COM3[RS232]
The 9 Pin, Female, SUB-D, COM1 [RS-485], COM3 [RS-485] and COM3 [RS-232] Port on the back
of the unit is the RS-232 and RS485/422 communications port for connecting to a controller.
COM1 [RS485]2w supports MPI 187.5K
Connection
Pin Designations
COM1 [RS-485]
COM3 [RS-485]
COM3 [RS-232]
* The Com1 RS232/RS485 2wire/4wire, Com3 RS232/RS485 mode can be set by CECP.(In the Windows CE
desktop)
2.3.3 USB Host port
1 6
USB 2.0 Host interface supports USB mouse, keyboard, USB Flash Drive and printer.
While using external hard drive, please use external power supply. Do not use USB port
to charge external device.
2.3.4 Connecter Wire
MT8-Ethernet/RZC045120: Direct connect (Ethernet crossover cable)
MT8000
Ethernet
RJ45
Wire color
1 TX+
White/Orange
2 TX-
Orange
3 RX+
White/Green
6 RX-
Green
MT8-COM1/RZC002320
5
9
6
1
Pin assignment of the 9 Pin, Female, SUB-D COM1 [RS-485], COM3
[RS-485] and COM3 [RS-232] Port
Pin# Symbol Com1
[RS485]2w
1
Rx-
Data-
2
Rx+
Data+
3
Tx-
4
Tx+
5
GND
6
Data-
7
TxD
8
RxD
9
Data+
PC or
Note Book
RJ45
3 RX+
6 RX-
1 TX+
2 TX-
5
1
5
1
Com1
[RS485]4w
Rx-
Rx+
Tx-
Tx+
Signal Ground
9
6
9
6
5
Com3
Com3
[RS485]
[RS232]
Data-
Transmit
Receive
Data+
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