[time-nuts] Coax switch

Robert Atkinson robert.atkinson at genetix.com
Mon Mar 19 05:24:31 EDT 2007


Hi,
This is not unusual, it's common with units that have transformer
isolated inputs, have a look at an old thin Ethernet card and it's BNC
socket.

Robert.

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Joseph Gray
Sent: 19 March 2007 00:45
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Coax switch

Unless I suddenly forgot how to use a meter, the grounds are isolated.
There 
is also a visible plastic (teflon?) ring at the base of each coax.

----- Original Message ----- 
From: "Rex" <rexa at sonic.net>
To: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
Sent: Sunday, March 18, 2007 5:18 PM
Subject: Re: [time-nuts] Coax switch


> On Sun, 18 Mar 2007 11:56:44 -0600, "Joseph Gray" <jgray at zianet.com>
> wrote:
>
>>The grounds are also switched.
>
> Really!? I don't think I have ever seen a coax switch or relay where
all
> the grounds (shields) weren't always connected together.
>
>
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