B&K Precision 9171-9174 - Manual - Manual (Page 96)

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Table 6- RS-232 Pin Out
PIN Description
1 -
2 Transmit Data
3 Receive Data
4 -
5 GND
6 -
7 -
8 -
9 -
A straight pin-to-pin DB9female to DB9male serial cable is
required for using RS-232 interface. Do not use a null modem
or crossover DB9 serial cable.
GPIB
GPIB option is available when the supply is installed with the
optional LAN/GPIB interface card. Each model can be configured
with a GPIB address from 1 – 30. To communicate via GPIB,
connect a GPIB cable to the GPIB interface of the LAN/GPIB
interface card, as illustrated below.
Figure 27- GPIB Interface