Adaptec USBConnect2000 Podręcznik Użytkownika Pobierz pdf (Strona 14)

USBConnect 2000 User’s Guide

Terminating the SCSI Bus

To ensure reliable communication on the SCSI bus,

terminators

must

be installed (or enabled) on the devices at the physical ends of the

SCSI bus. The terminators on all devices between the physical ends

must be removed (or disabled). Termination on the USBConnect

2000 adapter is permanently enabled, since it is always at one end of

the SCSI bus.

There are various methods for terminating hard disk drives and

other SCSI devices. Read the device documentation if you are not

sure how to do this. Here are some general guidelines for termina-

tion:

■

Termination is usually controlled by installing or removing a

SCSI terminator. On some SCSI devices, termination is con-

trolled by setting a switch on the back of the device.

■

Most SCSI devices come from the factory with termination

enabled.

Obtaining SCSI Cables

You will need additional SCSI cables if you connect more than one

SCSI device to your USBConnect 2000 adapter. It is important to use

high-quality cables to ensure that data is read and written correctly.

Adaptec provides high-quality SCSI cables designed specifically for

use with the USBConnect 2000 adapter. (To order Adaptec SCSI

cables, call 1-800-442-7274, Monday to Friday, from 6 a.m. to 5 p.m.

Pacific Time).

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Adaptec USBConnect2000 Podręcznik Użytkownika Strona 14