[time-nuts] Rubidium freq standard - temperature
paulswedb at gmail.com
Fri Dec 1 11:57:40 EST 2017
hello to the group
OK turns out my egg units are actually the same ts-frs sn1599.
Nice lable thats says what the pin functions are.
1 rf rtn
3 rf rtn
4 +24 1.5A cold says my note
5 +24 rtn
6 +24 power same as 4
7 sig rtn
8 reg mon
9 sig rtn
11 sig rtn
12 dc light
13 sig rtn
14 xtal mon
15 power rtn
16 + 5 note says .3A constant
No RS 232 apparent and I have not gone inside to look. Maybe later today.
But believe as others this is sort of pre-rs-232. Also no apparent EFC
On Fri, Dec 1, 2017 at 12:39 AM, Mark Sims <holrum at hotmail.com> wrote:
> I doubt that it would be a direct mapping to a 9-pin serial connector.
> And probably would not be outputting anything unless prompted. It might be
> useful to scope the pins and see if anything looks like serial data. Even
> if it has a serial port, without some kind of manual, it is probably
> If it not RS-232 compatible voltage tolerant and you connect a +/- V
> RS-232 signal into it you could burn something out.
> > I opened it up, JT1 has 9 pins. What are the odds? I think I have to
> hook something up to it and see if there is anything on 2 or 3, no?
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/
> and follow the instructions there.
More information about the time-nuts