
MU-100A
6. Interface
6-10
(2) RS232C, RS485 and ETHERNET Connectors
a. RS232C/485 connector
No Symbol
Contents
1
-
Do not connect anything.
2
RXD
Connected to the RS-232C received data line.
3
TXD
Connected to the RS-232C send data line.
4
-
Do not connect anything.
5
GND
Connect to ground.
6
RS(+) Connected to the RS-485 plus data line.
7
RTS
Connected to the RS-232C request to send.
8
-
Do not connect anything.
9
RS(-)
Connected to the RS-485 minus data line.
b. RS485 connector
No Symbol
Contents
1 -
2 -
3 -
4 -
Do not connect anything.
5 GND Connect to ground.
6 RS(+) Connected to the RS-485 plus data line.
7 -
8 -
Do not connect anything.
9 RS(-) Connected to the RS-485 minus data line.
c. ETHERNET connector
No Symbol
Contents
1 TD+ Connected to the send data line.
2 TD- Connected to the send data line.
3 RD+ Connected to the received data line.
4 -
5 -
Do not connect anything.
6 RD- Connected to the received data line.
7 -
8 -
Do not connect anything.