ES-R-2101B-M EasySync, ES-R-2101B-M Datasheet - Page 12

• Manufacturer Part Number: ES-R-2101B-M
• Description: RS-232 Interface IC RS232 to 1 Prt RS458 /RS485, Metal, Isltd
• Manufacturer: EasySync

5.4
DB-9 Male connector
The table below shows the RS-485 (half duplex) pinout of the DB-9 male connector.
5-way Terminal Block
The table below shows the RS-485 (half duplex) pinout of the 5 way terminal block.
RS-485 Signal Pin-out (half duplex)
Pin Number
Pin Number
Note: Other terminals have no function in this mode and should be left unconnected.
Note: Other pins have no function in this mode and should be left unconnected.
1
2
5
1
2
5
Table 9
Table 8
Description
Data– = Transmit / Receive Data, negative polarity
Data+ = Transmit / Receive Data, positive polarity
GND = Signal ground
Description
Data– = Transmit / Receive Data, negative polarity
Data+ = Transmit / Receive Data, positive polarity
GND = Signal ground
RS-485 half-duplex pin-out for 5-way terminal block
RS-485 half-duplex pin-out for DB-9 connector
©2010 - 2011 EasySYNC Ltd.
ES-R-2x01B-M RS-232 to RS-422/RS-485 Converters Manual
Document Reference No.: ES_000086
Clearance No.: ES
Version 1.0
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