[time-nuts] Cannot Command RFTGm-II-Rb / RFTGm-II-XO

Bob kb8tq kb8tq at n1k.org
Mon Dec 18 02:27:31 UTC 2017


Hi

If you go back a ways in the archives, there is a *lot* of information about how
to run these beasts. There also are links to the software and command sets
for the devices.

Bob

> On Dec 17, 2017, at 5:01 PM, Patrick Murphy <fgdhrtey at gmail.com> wrote:
> 
> I have recently acquired a used Lucent RFTGm-II-Rb and XO. The set came
> assembled with cables and frame, so I am pretty sure everything is hooked
> together correctly. I have powered both units, and after a few hours I have
> the green "Online" light lit on the REF-0 (Rb) and the yellow "Standby"
> light lit on the REF-1 (XO). I am watching serial traffic via two
> RS422<->USB adapters. After switching a couple of wires around, I am seeing
> TCODE data from both units on the RX side at the PC. I have a clean 15MHz
> waveform and 2 ugly 10MHz waveforms from the Rb, and PPS from both units.
> All seems well so far.
> 
> I'd like to hook them up to two instances of Lady Heather and see what is
> going on. The problem is that I cannot interrupt the TCODE stream to put
> the device into SCPI mode. I have tried commands like ":ptim:tcod:cont 0"
> (also "ptim:tcod:cont 0", without the leading ":") and variants of
> ":SYST:STAT?". Both modules just ignore them.
> 
> I have a bootable Linux partition. I guess I can load up WINE and try the
> somewhat dated "RFTG.EXE". That seems a little extreme, especially if I
> need to repeat that every time I need to restart the RFTGs.
> 
> Any suggestions what I should try next before I go the Linux route? Surely
> there is some command or secret handshake I am just missing.
> 
> Thanks!
> 
> -Patrick Murphy
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