ES-R-2X01B-M Datasheet, PDF (10/20 Pages) List of Unclassifed Manufacturers – Converters Manual

ES-R-2x01B-M
Document Reference No.: ES_000086
RS-232 to RS-422/RS-485 Converters Manual
Version 1.0
Clearance No.: ES#42
5.3 RS-422 Signal Pin-out
DB-9 Male connector
The table below shows the RS-422 pin-out of the DB-9 Male connector.
Pin Number Description
1
TxD- = Transmit data, negative polarity
2
TxD+ = Transmit data, positive polarity
3
RxD+ = Receive data, positive polarity
4
RxD- = Receive data, negative polarity
5
GND = Signal ground
6
RTS- = Request to send, negative polarity
7
RTS+ = Request to send, positive polarity
8
CTS+ = Clear to send , positive polarity
9
CTS- = Clear to send, negative polarity
Table 6
RS-422 Pin-Out for DB-9 connector
5-way Terminal Block
The table below shows the RS-422 pin-out of the 5-way terminal block.
Pin Number Description
1
TxD- = Transmit data, negative polarity
2
TxD+ = Transmit data, positive polarity
3
RxD+ = Receive data, positive polarity
4
RxD- = Receive data, negative polarity
5
GND = Signal ground
Table 7
RS-422 Pin-Out for 5-way terminal block
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