I got in an 8195A and managed to get Heather working with the wonky, very much
not computer friendly, Spectracom interface and command set.
When you send a command to the device it echoes back the characters. This is
very useful for telling what command the device is responding to. But, about
half the time, the echoed characters were garbled. Also several response
messages came back corrupted. Oh, and occasionally the unit would lock up and
require a power cycle to recover. The problem turned out to be that you can't
send command strings to the device at computer friendly speeds. You need
several milliseconds of delay between each character you send!
Anyway, Heather now work with the Spectracom "ageless" oscillators. BTW, for
an "ageless" oscillator, these units have a procedure for correcting oscillator
aging ;-)
---------------
> The problem with the 8195 is that the serial port software interface was
> designed for human interaction with very little regard paid to supporting a
> computer monitoring program.
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