[time-nuts] Re: HP 58533A gps help?

[Azelio Boriani]

The HP58503A has a serial port (female DB9, wired as a DTE, that is 5
GND, 2 input, 3 output, default 9600,N,8,1) and an SCPI command
interface, so, to test the communication, you can try a simple
terminal program (putty, miniterm and so on) and see if it works that
way first (use the command *IDN?<CR>). The pinout is a DTE-type with a
female connector, that is, while the pinout is the same as a PC, the
connector gender is not suitable to use a standard PC to audio modem
cable and you can not use a standard female-female null-modem cable:
you must wire your own cable. See page 2-8 of this manual:
<http://www.leapsecond.com/museum/hp58503a/097-58503-13-iss-1.pdf>

On Thu, Jan 12, 2023 at 9:45 PM Dan Rae via time-nuts
<time-nuts at lists.febo.com> wrote:
>
> Greetings,
>
> I've been trying to communicate with one of these GPS units and it won't
> talk to me via either SatStat or Lady Heather.  Keysight have nothing
> available and there don't seem to be many of these in the wild.
>
> Does anyone have any details?  And a clue as to the type of Molex? power
> connector needed would be wonderful!
>
> Dan
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