8. Standard Interfaces - Pin Assignments
8.1.4.
Serial Port (RS422/RS485) configured as RS422 (4-Channel Mode)
Refer to the chapter 6.2.3 “Optional Interfaces”, Table 3, Table 4 and Table 5.
Pin Signal
Name
9-pin D-SUB Connector (female)
1 TxD-
(Transmit
Data-)
2 RxD+
(Receive
Data+)
3 TxD+
(Transmit
Data+)
4 RxD-
(Receive
Data-)
5 GND
(Signal
Ground)
6
RTS- (Request to Send-)
7
RTS+ (Request to Send+)
8
CTS+ (Clear to Send+)
9
CTS- (Clear to Send-)
8.1.5.
Serial Port (RS422/RS485) configured as RS485 (4-Wire Mode), full duplex, (Bus-Master)
Refer to the chapter 6.2.3 “Optional Interfaces”, Table 3, Table 4 and Table 5.
Pin Signal
Name
9-pin D-SUB Connector (female)
1 TxD-
(Transmit
Data-)
2 RxD
(Receive
Data+)
3 TxD+
(Transmit
Data+)
4 RxD-
(Receive
Data-)
5 GND
(Signal
Ground)
6 NC
7 NC
8 NC
9 NC
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M@CII 70/104/121/150 - User’s Manual (V1.00)
