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ECL-CN550 RS232-RS485 SERIAL CONVERTER

SKU: ECL-CN550 Category:

Description

Convert serial RS232 to compatible signals for use by POS and other equipment.

  • DB9 connector on RS232 side

  • Screw terminal connector on RS485 side

  • Working mode: Asynchronous half-pair-work difference transmission.

  • Download a spec. sheet here.

Typical Pin/Signal Assignments*

RS232 signal RS485 signal DB-9 DB-25 RJ-50
Carrier Detect (DCD) Common Ground 1 8 10
Received Data (RD) Clear To Send + (CTS+) 2 3 9
Transmitted Data (TD) Ready To Send + (RTS+) 3 2 8
Data Terminal Ready (DTR) Received Data + (RxD+) 4 20 7
Common Ground Received Data – (RxD-) 5 7 6
Data Set Ready (DSR) Clear To Send – (CTS-) 6 6 5
Request To Send (RTS) Ready To Send – (RTS-) 7 4 4
Clear To Send (CTS) Transmitted Data + (TxD+) 8 5 3
Ring Indicator (RI) Transmitted Data – (TxD-) 9 22 2

*

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