Sutron TesiMod TP22, Руководство пользователя

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Interfaces of the Device
4-6
4.1.3 RS232 (X3-SER1)
The interface is suitable to establish a point-to-point connection.
4.1.3.1 Pin Assignment
Figure 4-5 25 pin D-SUB female connector strip
Connector in the terminal: 25 pin D-SUB female connector strip.
4.1.3.2 Termination
Table 4-7 Pin assignment RS232
Pin Designation Function
6 TD Transmitted Data
15 CTS Clear to Send
17 RTS Request to Send
18 RD Received Data
25 SGND Signal Ground
The D-SUB connector strips must be shielded sufficiently.
See chapter “Shielding D-SUB Connectors“ on page 4-27.
For the operation of channel SER1 as a RS232, the termination for the RS485 must
be OFF.