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101

Hardware Implementation

2-6 Quantum DLT 4000 Tape Drive

2.2.2 Configure the Rackmount Drive for TERMPWR (Single-Ended Only)

A SCSI bus must be terminated at each end of the bus. At least one device must

supply terminator power (TERMPWR). Quantum recommends that every device

on the SCSI bus be configured to supply TERMPWR to ensure that there is a

sufficient level of voltage along the SCSI bus.

Install a jumper across Pins 3 and 4 (Figure 2-2) to enable TERMPWR.

Figure 2-2 DLT 4000 TERMPWR and Parity Check Jumper Locations (Rackmount

Version Shown)

Install Jumper on Pins 3-4

to enable TERMPWR.

Front Panel

TERMPWR (J24)

Parity Check (J25)

Install Jumper on Pins 1-2

to disable Parity Checking.

ALDR (J26)

Not used

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