HP Surestore Tape Library Model 2/15 HP DLT Tape Library 15-Slot - (English) U - Page 33

Step 5: Set the SCSI Interface Mode Switch, SCSI Interface Mode Switch, Table 2-3, Setting

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Library Installation Step 5: Set the SCSI Interface Mode Switch Figure 2-1 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. SCSI Interface Mode Switch Library Installation Table 2-3 Setting Term Pwr Termination DIFF/SE 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 (only DLT4000 drives are supported as daisy-chained) • Number of SCSI cards 2. Set the SCSI interface mode switch. SCSI Interface Mode Switch Settings Purpose Sends power to the terminator Terminates the SCSI bus; functions the same as a physical terminator Specifies interface mode Set to ON in most installations ON if one port on the bus is open OFF if both ports on the bus are connected to a cable DIFF for differential 2-7

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2-7
Library Installation
Step 5: Set the SCSI Interface Mode Switch
Library Installation
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 2-1
SCSI Interface Mode Switch
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 (only DLT4000 drives
are supported as daisy-chained)
Number of SCSI cards
2.
Set the SCSI interface mode switch.
Table 2-3
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 one port on the bus is open
OFF if both ports on the bus are
connected to a cable
DIFF/SE
Specifies interface mode
DIFF for differential