FieldServer X-25 User Manual download pdf (Page 6)

FieldServer FS-X25 Start-Up Guide Page 6 of 12

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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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FieldServer X-25 User Manual Page 6