Speed Matching; Channel Calibration; Library Drive Sled Without Esd Springs; Library Drive Sled With Esd Springs [1] - Dell PowerVault TL2000 User Manual

Figure 1-7. Library drive sled without ESD springs (SCSI sled shown)
Figure 1-8. Library drive sled with ESD springs [1] (SAS sled shown)

Speed Matching

To improve system performance, the Ultrium 3 and Ultrium 4 Tape Drive uses a
technique called speed matching to dynamically adjust its native (uncompressed)
data rate to the slower data rate of the attached server.

Channel Calibration

The channel calibration feature of the Ultrium 3 and Ultrium 4 Tape Drive
customizes each read/write data channel for optimum performance. The
customization enables compensation for variations in the recording channel
transfer function, media characteristics, and read/write head characteristics.
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Dell PowerVault TL2000 Tape Library and TL4000 Tape Library User's Guide
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