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Serial
The following figure shows the 4UHV interconnections.
Figure 18
This is a 9-pin D-type serial input/output connector that allows the
4UHV to be controlled via an RS232 or RS485 connection.
Tab. 8
PIN No.
1
2
3
4
5
6
7
8
9
Agilent 4UHV Ion Pump Controller User Manual
4UHV interconnections
Signal Name
+5 V (OUT)
TX (RS232)
RX (RS232)
Reserved
GND
A + (RS485)
Reserved
B - (RS485)
Reserved
/
87-900-137-01 (D)
Technical Information
Serial
71/114
5
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