[time-nuts] NTGS50AA RS422

shalimr9 at gmail.com shalimr9 at gmail.com
Mon May 21 01:34:31 UTC 2012


"It would be nice to put the known infromation on the GPSTM boards on a
webpage so that newcomers do not have to start from the beginning."

You are welcome to use my wiki like for the FE5680 Rubidium oscillator by John Beale:

http://www.ko4bb.com/dokuwiki/doku.php?id=precision_timing:fe5680a_faq

Didier KO4BB

Sent from my BlackBerry Wireless thingy while I do other things...

-----Original Message-----
From: bg at lysator.liu.se
Sender: time-nuts-bounces at febo.com
Date: Mon, 21 May 2012 01:32:14 
To: Discussion of precise time and frequency measurement<time-nuts at febo.com>
Reply-To: Discussion of precise time and frequency measurement
	<time-nuts at febo.com>
Subject: Re: [time-nuts] NTGS50AA RS422

Murray,

> Bjorn,
> I don't know of an RS422 connection at the back of the NTGS50AA. There is
> a
> 'CMOS' level serial output (essentailly a monitor point) on the top pin,
> 7th
> row along from the end the power is applied. There are also 10MHz PECL
> outputs at the other end of the connector.
>
> I use either Trimble's GPS Monitor software or the latest Lady Heather,
> and
> I connect to the front panel RS232 connector.
>
> 73,
> Murray ZL1BPU

I have sofar only used power on the back connector. Tboltmon works
out-of-the-box on the front RS232. Does GPS Monitor have extras compared
to Tboltmon? I have not yet got Lady Heather to work, have not spent much
time on it though.

I got the RS-422 from Sams message (16th of April).

> Serial Interfaces:
> Port A is RS-422 @19200 SCPI (available on the 110 pin connector on the
> main board)
> Port B is RS-232 @9600 TSIP (DB9 connector on Breakout board)

This Port A (or monitor port) does it go directly to the Trimble CPU ASIC?
Are there perhaps a hidden second serial port also on the normal Tbolts?

It would be nice to put the known infromation on the GPSTM boards on a
webpage so that newcomers do not have to start from the beginning.

--

    Björn


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