Adaptec 29320LP-R Manual page 9

Connect the other external SCSI devices by linking each device to
S 3
TEP
the previous one, as shown below. Terminate only the device at
the end of the chain.
Terminated SCSI device
Connect power cables to all external device(s) and to the
S 4
TEP
computer.
M I
ORE NFORMATION
The last SCSI device on the end of each SCSI bus cable must be
terminated, and termination must be disabled for all other devices
in the middle of the cables. Ultra320/160 and Ultra2 SCSI devices
are automatically unterminated, but Ultra SCSI and Fast/Wide
SCSI devices do have termination that you must check. For more
information, refer to the documentation for each SCSI device.
If you are using external Ultra2 or Ultra320/160 devices, be sure
to use an LVD terminator to terminate the last device in the chain.
If you use a single-ended, active terminator (sometimes called an
Ultra terminator) the SCSI devices will not operate properly.
A T
BOUT ERMINATION
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