DZ11 EIA dist panel on eBait

[ed at groenenberg.net]

June 30, 2020 4:58 PM, "Tony Duell" <ard.p850ug1 at gmail.com> wrote:

> On Tue, Jun 30, 2020 at 3:17 PM ed--- via cctalk <cctalk at classiccmp.org> wrote:
> 
>> June 27, 2020 8:05 PM, "Noel Chiappa via cctalk" <cctalk at classiccmp.org> wrote:
>> 
>> https://www.ebay.com/itm/224058116598
>> 
>> Noel
>> 
>> Looks nice, but the cover, the static filter and the 2 small flatcables with twisted wires are
>> missing.
>> Connecting a DZ11 directly to the pcb with the connectors won't work directly as expected.
> 
> Why not? I've linked up DZ11s to the distribution panel PCB with a
> straight ribbon cable and had no problems.
> 
> The RFI filters effectively swap odd and even pins in the cable (the
> pins are straight through the filter but of course you look at them
> from opposite sides). That's why the short ribbon cables between the
> filters and the distribution panel are not straight through but have
> crossover connections.. But if you remove both the filter and the
> crossover cable it will work as you expect.
> 
> -tony

Ah, I did not know that, interesting to know.

Ed