I guess what I heard so far sounds normal on start. Just the green power led. Then it warms up and takes a long time up to 48 hours to acquire the satellites if it has no battery backup and has been off a long time. Not sure when the messages go active. Regards Paul WB8TSL
On Fri, Nov 4, 2016 at 9:02 PM, n2lym <[email protected]> wrote: > Have you tried a loop back connection, short pins 2 and 3 and a terminal > program? You may have to disable hardware handshaking in hardware manager > for that USB device or possibly a baud rate problem. > > > Mike > > > > > > On Fri, Nov 04, 2016 at 08:23 PM, Dave Hallidy wrote: > > Hal- >> I took your suggestion and sure enough, I can see on the scope that it >> puts >> out a string on power up. I'm sure that's why SatStat gives me a >> "Communications established- please wait" then "Checking echo". But then >> it >> all seems to fall apart, because after that, it drops back to "Trying to >> establish communications" and "No response..." until I power down then >> back >> up, and it repeats the cycle. >> >> I don't have any real info on power supply voltages, so I don't know what >> they should be. On power up, it goes through the cycle of briefly >> lighting >> the LEDs on the main board red, ending with the green blinking one on the >> main board at the same time cycling through the front panel LEDs and >> ending >> with just the power LED lit. I can pull it apart and check for caps >> needing >> replacement if you think that might be a cause of this. >> >> Dave >> >> -----Original Message----- >> From: time-nuts [mailto:[email protected]] On Behalf Of Hal >> Murray >> Sent: Friday, November 04, 2016 6:56 PM >> To: Discussion of precise time and frequency measurement >> Cc: [email protected] >> Subject: Re: [time-nuts] Newbie With a Z3801 Problem >> >> I would put a scope on the TX line from the Z3801A and power cycle it. >> I'm pretty sure it prints out the version string on power up. >> >> Have you checked the power supplies? Or looked for old electrolytics? >> >> >> -- >> These are my opinions. I hate spam. >> >> >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/m >> ailman/listinfo/time-nuts >> and follow the instructions there. >> >> _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/m > ailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
