Appendix C
Pin Assignments
Some applications require knowledge of the pin assignments for the instrument port.
In this chapter, the pin assignments and socket for the RS232 port of the Zoom70/90 instrument
are explained.
a
5
4
3
2
1
011059_001
a
RS232
Pin
Signal Name
Function
Direction
1
PWR
Nominal 12 V
⎓
, Range 11.5 V-13.5 V, 1.4 A max
In
2
-
Not used
-
3
GND
Single ground
-
4
RxD
RS232, receive data
In
5
TxD
RS232, transmit data
Out
Description
Ports at the Zoom70/90
instrument
Pin assignments for
RS232 port
1
5
4
3
2
PIN_006
Pin Assignments
71
