[vcf-midatlantic] SX GBIC fiber cable speed

Ethan O'Toole telmnstr at 757.org
Tue Feb 16 15:38:23 UTC 2021

>   When I was working in MD, we had a customer with a long RS-232 run between 
> buildings. I was there several times to replace the 1488 and 1489 chips in 
> the remote printer. They never did do anything about it.

As long as the ICs are in sockets, buy some spares and keep them on hand I 

Technically ethernet has magnetics, it's isolated. Most likely it's 
the transformer module that gets blown out. But I have never tried to fix 
one. The transformers keep the ground loops from happening I'd imagine.

                  - Ethan

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