Mitsubishi Electric RS232/485/LAN Serial Communication Control Manual page 2

2. Connectors and wiring
A: RS232C connection
Connector: D-Sub 9-pin
Cable: Cross (reversed) cable or null modem cable
B: CAT5 RS485 connection
Connector: D-SUB 9pin or USB(Either one can be used for communication between PC and CAT5
Tx-BOX and Rx-BOX (Option). In order to use the USB, you need USB driver with your PC
installed. Please check User's manual for details.)
Cable: (D-SUB 9pin: Full wired Cross (reversed) cable, USB: Standard USB cable (A-B))
USB Cable
Note: The CAT5 serial communication function requires half duplex communication control by DTR and
RTS control which is not required by simple RS232C control. The RS485 communication function is
different fromRS232C control method. Please check Appendix B for more details.
C: LAN connection
Connector: Modular 8pin (RJ45)
Cable: Modular 8pin (RJ45), Strait CAT5/6/7 LAN cable
* If you connect one PC and one display without LAN HUB, you use Cross LAN cable.
PC
LAN cable
Note: LAN control is converted to RS-232C control in the display.
LAN HUB
LAN cables
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Display #1 Display #2