[sdiy] Request brain dump on balanced lines

[media.nai at rcn.com]

At 12:41 AM +0200 10/12/02, Magnus Danielson wrote:
>this.
>
>The standard way to wire XLRs is
>
>Screen	Chassi
>1	Signal Ground
>2	Signal "Hot"/+
>3	Signal "Cold"/-

I'm a bit confused what you mean here.  Yes, pin 2 is the in phase signal
(hot), and pin 3 is the current return (cold), but why do you list the
"screen chassis" and "signal ground" as being separate??  Do you mean the
shell or case of the connector itself??

The reason for pin one is so it connects before the other two pins (which
is the exact opposite of what is glaringly wrong with RCA connectors).

>There is a broken way to wire it, but I won't mention it.

Yes, both the NAB and the EBU had their own ideas :)

Btw, according to the IEC today is "World Standards Day".

>Please note that Screen on the XLR is usually not wired to the shield of
>>the cable, it is infact a bad idea.

Huh??