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From: tarsa@abyss.zk3.dec.com (Greg Tarsa)
Newsgroups: comp.periphs.scsi
Subject: SCSI bus termination
Keywords: Help
Message-ID: <181@decvax.decvax.dec.com.UUCP>
Date: 2 Aug 90 20:09:53 GMT
Sender: news@decvax.dec.com.UUCP
Reply-To: tarsa@abyss.zk3.dec.com (Greg Tarsa)
Organization: Tarsa Software Consulting
Lines: 26

Could someone give a quick tutorial on just how a SCSI bus
needs to be terminated?  I thought I understood how this worked
(that is, the last device on the bus needs a termination resistor
plugged into it), but now I am starting to see those "plugs" that
one is to plug into the end of the SCSI bus cable.  It appears
that this is used in addition to, not in place of, the last device
resistor pak.  My experiences mostly center around SUN shoeboxes where
they did not used to use plugs and DEC shoeboxes, where they do seem to
use them.

    What is correct?

    What is the function of the "plug", is it really in addition to,
    or can it be used in replacment for the last device's
    resistor pak?

    Finally, where can I buy these plugs in small quantities?

Thanks,
Greg

Tarsa Software Consulting
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