if it's a microtek, then one of the connectors should be a 15 pin
sub-d type connector. This is the option port. The TMA (transparency
media adapter) or ADF (automatic document feeder) can be connected
to this port. The other is a 25 pin sub-d type scsi port. A terminator
that connects to this port should not be hard to find at about 10 us$.
Another option would be to get a suitable scsi cable, and attach the
scanner through the 25 pin sub-d connector. You can then use a normal
(centronics) terminator.
The "older" Microtek scanners can only handle data transfers at a
maximum speed of 5 megabytes per second. On *some* 2940 (./W/UW)
implementations in combination with fast perhipherals such as
harddiscs, this renders the scanner incommunicado. This may lead
to lock-ups and potential data loss. *some* 2940 implementations
can be configured to use a lower speed, but why use a fast SCSI
card (and fast scsi discs) if you are going to cripple it. If you
have a spare slot in your machine, and the card that came with
your scanner is supported, I would recommend using it. Especially
if you ever run into problems that simple termination doesn't cure.
hope this answers the questions you had (and some others as well),
regards, Theo
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