Latest Fibre Channel Tape Connector Proposal

Alvin_Cox at notes.seagate.com Alvin_Cox at notes.seagate.com
Mon May 17 12:12:21 PDT 1999


* From the T10 Reflector (t10 at symbios.com), posted by:
* Alvin_Cox at notes.seagate.com
*
It was my understanding that the FCAL 40-pin assignments would remain in
their relative locations as defined per SFF-8045. This proposal changes the
relative locations of the FCAL pin assignments.

I have also looked at the 80-pin SCSI version to see what would happen if a
SCSI device was connected to a backplane or cable per this proposal. I
found that 12 volts (44) would be shorted to +5 volts (74) by the MATED 1
and MATED 2 signals and that +5 volts (71, 72, 73) will either be applied
to the differential drivers of a differential SCSI drive or shorted to
GROUND on a SCSI single-ended device. Based on these observations, I do not
find this proposal acceptable.


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