[time-nuts] Lucent KS-24361 RS-422 interface pinout

[Götz Romahn]

Am 02.12.2014 04:29, :
Hal, (see below)

>> 4 	RX+
>> 8	RX-
>
> Looks good.
>
>> 5	TX+
>> 6	TX-
>
> I think there is a typo in there.  That should be pins 5 and 9.
> I'm using pins 9, 8, and 7 as per Stewart's message that started this
> discussion.
>
>> 3 and 7 	ground
>
> Pins 1, 2, and 6 seem not-connected.  (That's using a scope without a ground
> clip.  I see slight fuzz on pins 3 and 7, nothing on 1, 2 and 6.)
>
> The above is on J8, Diagnoistic.
>
> --------
>
> J6, RS422/PPS has the same (5, 9) TX pins.  If you shift the cable over there
> it gets a line each second.  This can be handy for checking that direction of
> your setup.
>
> Pins 1 and 6 are the PPS pulse.  400 microseconds wide.  It's not active on
> my box that's in STBY.
>
> Pins 4 and 8 look like inputs.  Does anybody know what you can send in there?Hal,
it's already known to us:

http://www.mail-archive.com/time-nuts%40febo.com/msg69593.html

Götz