5 rs232 – INFICON XTM/2 Thin Film Deposition Monitor User Manual

Page 45

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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

section 3.8 on page 3-16

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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