5 rs232 – INFICON XTM/2 Thin Film Deposition Monitor User Manual
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XTM/2 Operating Manual
2.5.5 RS232
A 9-pin female "D" type connector which enables the instrument to be controlled
by a host computer. See
for details.
Figure 2-13 9-Pin Type "D" Female Connector
IBM Compatible
Host Computer
Pin #
Description
DB9-Pin DB 25-Pin
1
Not used
1
-
2 TXD Data transmitted from XTM2
2
3
3 RXD Data received by XTM/2
3
2
4
Not used
4
-
5 GND Signal ground
5
7
6 DTR Output from XTM/2 indicating ready to transmit
6
6
7 CTS Input to XTM/2 indicating stop transmitting
7
4
8
Not used
8
-
9 GND Shield ground
9
-
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