ES-R-2001-M EasySync, ES-R-2001-M Datasheet - Page 9

• Manufacturer Part Number: ES-R-2001-M
• Description: Interface Modules & Development Tools RS232 to RS422/RS485 Serial Converter
• Manufacturer: EasySync

Specifications of ES-R-2001-M

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2.1.5 RS232 Interface Configuration
The RS232 connector is a 9-way D-Type socket (DE-9S) that can be configured as a DCE or a DTE using
internal jumpers JP5 and JP6.
2.1.5.1 DCE Configuration
The factory settings for JP5 and JP6 select a DCE type RS232 interface that results in the 9-way RS232
D-Type socket having the following pin-out and signal directions.
Table 2.6 – RS232 DE-9S DCE Pin-Out (Default)
To select the DCE configuration fit links between the following pins on JP5 and JP6.
JP5 DCE Selection
Link pins 1 – 3
Link pins 2 – 4
JP6 DCE Selection
Link pins 1 – 3
Link pins 2 – 4
Table 2.7 – JP5 & JP6 DTE-DCE Configuration Jumper – Set for DCE
DE-9S Pin
Shield
1
2
3
4
5
6
7
8
9
Name
DCD
Rx (Out)
Tx (In)
DTR
GND
DSR
RTS (In)
CTS (Out)
Shield
Comment
Linked to pin 4 and pin 6
An output pin for DCE type RS232 interface
An input pin for DCE type RS232 interface
Linked to pin 1 and pin 6
GND
Linked to pin 1 and pin 4
An input pin for DCE type RS232 interface
An output pin for DCE type RS232 interface
No connection
No connection
©2009 EasySync Ltd.
ES-R-2x01-M RS232 to RS422 / RS485 Converter User Guide
Document Reference No.: ES_000011
Clearance No.: ES#*
Version draft
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