[time-nuts] Lucent KS-24361, HP/Symmetricom Z3809A, Z3810A, Z3811A, Z3812...

[Bob Camp]

Hi

I bet (again the order of fries) that the ground on pin 13  that crosses to is some sort of “other box plugged in” indicator. 

So:

The 15 pin cable is:


Pair 		End A		End B

A		1			9
B		2			10
C		3			11 	(short pin on 3)
D		4			12
E		5			13   (short pin on 13)
F		6			14
G		7			15

ground 	8			8 (short pin on 8)


Pair B - CMOS signaling 
Pair C - CMOS signaling
Pari D - one half of RS-422
Pair E - CMOS signal ?  ground on pin 13

We have A, F, and G in the “to be discovered” category. One of those should be the other half of D. Something in here should be a PPS.

Bob


> On Nov 2, 2014, at 5:48 PM, GandalfG8--- via time-nuts <time-nuts at febo.com> wrote:
> 
> Thanks Gotz
> 
> 2 and 3 grounded works fine for me too, although I still have one unit that 
> insists on flashing the ON light rather than bringing it on solid. In all 
> other  respects both units seem to match. Two more should be arriving 
> sometime in  the next couple of weeks so will see how they match up.
> 
> Just for reference, pin 13 is also a ground connection so if just pushing  
> wires into the connector it might be convenient to use both grounds.
> 
> Regards
> 
> Nigel
> GM8PZR
> 
> 
> 
> 
> In a message dated 02/11/2014 17:58:12 GMT Standard Time, goetz at g-romahn.de 
> writes:
> 
> 
> 
> Am 02.11.2014 15:08, :
>> Ooh err, whoops, and oh dear  !!
>> 
>> Arthur, I've only just had a chance to look at your latest  photos, and
>> unless I've really got my wires crossed, if you'll pardon  the  
> expression:-),
>> your links on J5 are not shown on pins 2, 10,  12, and 15,  but on pins 
> 4, 6,
>> 11, and 13.
>> 
>> As far  as I'm aware the numbering from the front of that connector as  
> shown
>>  starts in the top right hand corner and every row is  numbered right to
>> left.
>> That's certainly how mine are numbered  anyway, and I wired them
>> accordingly, and it worked, so where the heck  does that leave us now?:-)
>> 
> --------------------------
> thanks  Nigel for detecting this glitch. I removed all jumpers now and 
> tested some  reasonable new/old combinations resulting in very simple 
> scheme:
> it seems  to be sufficient to connect pin2 and pin3 to pin8 (ground).
> Numbering as  provided by Nigel and markings on my 15  pin-plug.
> 
> Götz
> 
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