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Connection to the device, Serial connection, Db-9 pinouts for rs-232 connection – FieldServer X-25 User Manual

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FieldServer FS-X25 Start-Up Guide

Page 6 of 12

FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldserver.com

Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: [email protected]

3

CONNECTION TO THE DEVICE

3.1

Serial Connection

A DB-9 cable should be connected between the Serial port on the FS-X25 and the serial port of the target serial
device.

The Serial 1 port can be configured as either P1 (for RS-232 connection) or R1 (for RS-485 connection). Likewise
the Serial 2 port can be configured as P2 or R2. Note that if a P1 and a R1 connection is declared, the one declared
second will cause a configuration error on the error screen.

Figure 1: Serial Connection Ports

3.1.1 DB-9 Pinouts for RS-232 Connection

Used to connect to DTE type devices.

Typical null modem connection. (Used when
Hardware RTS→CTS flow control is required).

“3 wire” null modem connection (Used when Hardware
RTS→CTS flow control is not required).

The cable used (serial cross-over cable) is available at any electronics retailer/distributor.

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