ES-R-2001B-M EasySync, ES-R-2001B-M Datasheet - Page 14

• Manufacturer Part Number: ES-R-2001B-M
• Description: RS-232 Interface IC RS232 to 1 Prt RS422 /RS485, Metal
• Manufacturer: EasySync

5.5
DB-9 Male connector
The table below shows the RS-485 (full duplex) pinout of the DB-9 male connector.
5-way Terminal Block
The table below shows the RS-485 (full duplex) pinout of the 5 way terminal block.
RS-485 Signal Pin-out (full duplex)
Pin Number
Pin Number
Note: Other pins have no function in this mode and should be left un-connected.
1
2
3
4
5
1
2
3
4
5
Table 10
Table 11
Description
TxD- = Transmit data, negative polarity
TxD+ =
RxD+ = Receive data, positive polarity
RxD– = Receive data, negative polarity
GND = Signal ground
Description
TxD- = Transmit data, negative polarity
TxD+ = Transmit data, positive polarity
RxD+ = Receive data, positive polarity
RxD– = Receive data, negative polarity
GND = Signal ground
Transmit data, positive polarity
©2010 - 2011 EasySYNC Ltd.
RS-485 full duplex pin-out for terminal block
RS-485 full duplex pin-out for DB-9 connector
ES-R-2x01B-M RS-232 to RS-422/RS-485 Converters Manual
Document Reference No.: ES_000086
Clearance No.: ES
Version 1.0
#
14
42