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Inserting the Sled-Mounted DLT2000XT Tape Drive

Installing the DLT2000XT Tape Drive in Challenge XL and Onyx

Rackmount Systems

The two standard SCSI channels in the rackmount system are factory preconﬁgured.

Channel 0 is conﬁgured as single-ended and channel 1 is conﬁgured as differential.

Channels 0 and 1 correspond to the SCSIBox 2 channels A and B, respectively.

Preparing the DLT2000XT Tape Drive

To change the SCSI channel, follow these steps:

1. Unscrew the four Phillips screws on the bottom of the sled. You need not unplug the

power cable.

2. Unplug the SCSI connector from the current channel and plug it into the other one.

Channel A is on the bottom and channel B is on the top. See Figure 2-9.

If the SCSIBox 2 contains a mixture of single-ended and differential devices, you must

set jumpers on the DLT2000XT sled to bypass the circuitry. Follow these steps:

1. Unscrew the four Phillips screws on the bottom of the sled. You need not unplug the

cables connecting the drive to the sled.

2. Locate the H1/H2 jumpers under the channel connectors, as shown in Figure 2-9.

3. With needle-nose pliers, gently pull all four jumpers off the H2 (left side) pins only.

Figure 2-9 Jumpering the DLT2000XT Sled for a SCSIBox 2 With Mixed SCSI Devices

H1H2

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Quantum DLT 2500 Manual de Serviço Página 35