Rs232C (X3-Ser2); Pin Assignment; Fig. 7-13: 25-Pin D-Sub Female Connector Strip; Fig. 7-14: Pin Assignment Of The Rs232C Interface - Bosch Rexroth IndraControl VCP 20 Project Planning Manual

7-8 Bosch Rexroth AG | Electric Drives and Controls
Interfaces
7.1.4

RS232c (X3-SER2)

7.1.4.1 Pin Assignment

The interface is only designed to be used for downloads, uploads, a
scanner or a logging printer because the interface is not electrically iso-
lated.

Fig. 7-13: 25-pin D-SUB female connector strip

Connector in the small operator terminal: 25-pin D-SUB female con-
nector strip
Pin Designation Function
1 Low-Noise Ground
2 TD Transmitted Data
3 RD Received Data
4 RTS Request to Send
5 CTS Clear to Send
7 SGND Signal Ground
20 DTR Data Transfer Request

Fig. 7-14: Pin assignment of the RS232c interface

The D-SUB connector strips must be shielded sufficiently. See chapter
„Shielding D-SUB Connectors" on page 7-19.
Rexroth IndraControl VCP 20 | R911299722 / 02