Tandberg Data SDLT 600 - Manual (Page 36)

Functional Specifications SDLT 600 Product Manual
3-8 March 2004 81-81184-02 REV A01
3.2 Functional Specifications
The following subsections contain functional specifications for the SDLT 600 tape drive.
3.2.1 Performance Data
Table 3-10 provides performance data for the SDLT 600 tape drive system. For a comparison of
SDLT 600 tape drive storage capacities, refer to Section 3.1.5, “Storage Capacity” on page 3-5 .
Table 3-10. SDLT 600 Tape Drive Performance Data
Feature SDLT 600 Tape Drive
Drive Read/Write Transfer Rate* 36 MB/second, native
72 MB/second, compressed
Tracks 40 logical tracks
640 physical tracks
Track Density 1502 tracks per inch (tpi)
Linear Bit Density 233 Kbits per inch (Kbpi)
Read/Write Tape Speed 108 inches per second (ips)
Rewind Tape Speed 160 ips
Linear Search Tape Speed 160 ips
Average Rewind Time** 77 seconds
Maximum Rewind Time** 156 seconds
Average Access Time** (from BOT) 79 seconds
Maximum Access Time** (from BOT) 190 seconds
Load to BOT** 18 seconds (typical)
63 seconds (unformatted tape)
Unload from BOT** 19 seconds
Nominal Tape Tension Stationary: 3.0 ± 0.5 oz
Operating Speed: 3.5 ± 0.5 oz
* Depending on data type and SCSI bus limitations/system configuration.
** Note that data is typical; times may be longer if error recovery time is necessary, or if the
command times out for any reason. For information on SCSI command timeout values,
refer to SDLT 600 Design and Integration Guide, 81-81196-01.