Figure 11-17 Hp A3542A Dds-3 Tape Drive - HP 9000 Series Service Manual

HP A3542A DDS-3 Tape Drive
Figure 11-17 shows the front of an HP A3542A DDS-3 tape drive.

Figure 11-17 HP A3542A DDS-3 Tape Drive

Specifications
• Integrated Single-ended SCSI-2 interface
• Reads and Writes DDS-1, DDS-2, and DDS-3 formats dependent on the mounted tape dimension:
• 60 meter tape - DDS-1 = 1.3 Gbytes
• 90 meter tape - DDS-1 = 2.0 Gbytes
• 120 meter tape - DDS-2 = 4.0 Gbytes With Data Compression enabled.
The above capacities will increase from 2 to 4 times the non-compressed capacities. The average
data compression factor is 2 to 1.
• 1 Mbyte Data Buffer
• Switch or program selectable on-board DCLZ data compression
• Automatic Error correction and detection
• Downloadable firmware
• Asynchronous burst data transfer rate = 3.0 Mbytes/sec.
• Synchronous burst transfer rate maximum = 7.5 Mbytes/sec.
• MTBF = 200,000 power on hours at a 12% duty cycle
• Executes self-test at power on
• Inquiry Vendor Identification String = HP
• Inquiry Product Identification String = C1533A
• Inquiry Product Revision Level String = HP00
Chapter 11
SCSI Peripherals and I/O Information
11- 43