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APA-460 Installation Guide

Stock Number: TR510070-00, Rev. B Page: 2-6

Print Spec Number: TR490120-00

Current Date: 3/25/94 ECN Date: 4/5/94

Figure 2-3 shows three SCSI devices in a daisy-chain.

5 Terminate the last (or only) SCSI device connected to the

SlimSCSI adapter, per manufacturer’s specifications. Most

SCSI devices use a jumper or switch near their SCSI connec-

tor(s) to control termination. On some SCSI devices, you must

physically remove or install terminator resistor modules. An

external terminator is installed in Figures 2-2 and 2-3. See your

device documentation for termination information.

Note: The SlimSCSI adapter itself is actively termi-

nated by default and cannot be changed, since both

ends of the SCSI bus must be terminated.

6 If the SCSI device(s) connected to the SlimSCSI adapter

requires term power output, this output must be provided by

the device itself. The SlimSCSI adapter does not provide term

power. See your SCSI device documentation for more

information.

7 If you connect more than one SCSI device to your SlimSCSI

adapter simultaneously, make sure that each device’s SCSI ID

(device number between 0 and 6) is different. ID 7 is reserved

for the SlimSCSI adapter. Different IDs are essential to prevent

conflicts when the SlimSCSI adapter communicates with the

devices.

Figure 2-3. Connecting Multiple External SCSI Devices

Terminator

SCSI Devices

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Adaptec APA-460 Installationsanleitung Seite 26