HP 34401A User's Manual
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DB-9 Serial Connection If your computer or terminal has a 9-pin
serial port with a male connector, use the null-modem cable included
with the HP 34398A Cable Kit. This cable has a 9-pin female connector on
each end. The cable pin diagram is shown below.
DB-25 Serial Connection If your computer or terminal has a 25-pin
serial port with a male connector, use the null-modem cable and 25-pin
adapter included with the HP 34398A Cable Kit. The cable and adapter
pin diagram is shown below.
Chapter 4 Remote Interface Reference
RS-232 Interface Configuration
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