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Step 5: set the scsi interface mode switch, Step 5: set the scsi interface mode switch -20, Table 1-4. scsi interface mode switch settings -20 – HP SureStore 4215w User Manual

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Installing the Tape Library

Step 5: Set the SCSI Interface Mode Switch

Step 5: Set the SCSI Interface Mode Switch

Do not connect any cables yet.

The SCSI interface mode switch, shown below, is on the rear panel between the bus
1 and bus 2 SCSI ports.

Figure 1-15

SCSI Interface Mode Switch (Example)

To set the SCSI interface mode switch:

1. Determine how to connect the library according to:

Number of drives in the library and drive type

Other peripherals (if any) on your system

Type of SCSI card (differential or single-ended)

NOTE

For best library performance, connect only one library on a SCSI bus.

2. Set the SCSI interface mode switch.

Table 1-4

SCSI Interface Mode Switch Settings

Setting

Purpose

Set to

Term Pwr

Sends power to the terminator.

ON in most installations

Termination

Terminates the SCSI bus. Functions the
same as a physical terminator.

ON if the tape drive is the last device
on the SCSI chain

OFF if another peripheral will connect
to the library

DIFF/SE

Specifies whether you are using the
differential or single-ended port.

DIFF for differential

SE for single-ended