Re: [time-nuts] Z3801A and Z38XX Issues

2017-09-16 Thread Artek Manuals
You need the null modem adapter which reverses the TX and RX lines on one end of the cable. Also not all USB to Serial adapters work.. I bought an old laptop with a real serial port  at a junk computer shop for not much more than USB adapter to solve the RS-232 problem Dave On 9/16/2017 6:48

Re: [time-nuts] Z3801A and Z38XX Issues

2017-09-16 Thread Scott McGrath
Connect to a terminal emulator and IDQ it you will either see garbage in which case serial config is wrong and you need to try a new set of values Or using a breakout box connect a scope to the txd and rxd lines and compare pulse widths Content by Scott Typos by Siri > On Sep 16, 2017, at

Re: [time-nuts] Z3801A and Z38XX Issues

2017-09-16 Thread Bob kb8tq
Hi The gotcha is that the 3801 is an “ask for it / get it” protocol. If you don’t get the query formatted correctly, there will be no data coming back. It’s not like some other GPSDO’s that just yack all the time. Bob > On Sep 16, 2017, at 9:27 AM, Brad Stockdale wrote: > >

Re: [time-nuts] Z3801A and Z38XX Issues

2017-09-16 Thread Brad Stockdale
>From what I recall, the manual was accurate on the baud, stop bits, parity, etc. Just a few thoughts Make sure that the serial port is working as expected... Do a loop back test if possible. Are you using a USB to Serial adapter? Many of them have some weird quirks. IMHO, FTDI based adapters

Re: [time-nuts] Z3801A and Z38XX Issues

2017-09-16 Thread paul swed
Its 7O1 thats how mine has always worked. Regards Paul WB8TSL On Mon, Sep 11, 2017 at 1:05 AM, Richard Solomon wrote: > Not according to the manual, but then that could be my problem !! > > > 73, Dick, W1KSZ > > > Sent from Outlook >

Re: [time-nuts] R XSRM Rubidium Standard

2017-09-16 Thread Clint Jay
I do enjoy the 'chase' of repairing things other people have discarded as beyond economic repair, my CMU200 came with a rather amusing fault as well as a good example of poor industrial design choice, it's now a very useful piece of equipment. I often scrounge faulty electronic equipment just

Re: [time-nuts] R XSRM Rubidium Standard

2017-09-16 Thread Adrian Godwin
I almost always buy equipment that isn't working. It's fixing it that makes it interesting. What would I do with all the testgear if I didn't use it to fix the next bit ? On Fri, Sep 15, 2017 at 9:34 AM, Michael Prescott MSc < mike_presc...@hotmail.com> wrote: > I second Clint’s statement, most