HP 40 SCSI - Manual (Page 26)

Rewind Tape Speed Rewind Tape Speed Rewind Tape Speed Rewind Tape Speed
(USB) 1.41 m/s 1.41 m/s 1.41 m/s
Reliability Reliability Reliability Reliability DAT 24 DAT 24 DAT 24 DAT 24 DAT 40 DAT 40 DAT 40 DAT 40 DAT 72 DAT 72 DAT 72 DAT 72
MTBF MTBF MTBF MTBF (SCSI) 300,000 hours
at 12% duty cycle
125,000 hours
at 100% duty cycle
125,000 hours at 100%
duty cycle
Uncorrected Error Rate Uncorrected Error Rate Uncorrected Error Rate Uncorrected Error Rate
(SCSI) 1x10 15 bits read 1x10 -17 bits read 1x10 -17 bits read
MTBF MTBF MTBF MTBF (USB) 125,000 hours
at 100% duty cycle
125,000 hours
at 100% duty cycle
125,000 hours at 100%
duty cycle
Uncorrected Error Rate Uncorrected Error Rate Uncorrected Error Rate Uncorrected Error Rate
(USB) 1x10 -17 bits read 1x10 -17 bits read 1x10-17 bits read
Media Media Media Media DAT 24 DAT 24 DAT 24 DAT 24 DAT 40 DAT 40 DAT 40 DAT 40 DAT 72 DAT 72 DAT 72 DAT 72
Recommended media Recommended media Recommended media Recommended media DDS-3 (125m) DDS-4 (155m) DAT 72 (170m)
Backward read-write Backward read-write Backward read-write Backward read-write
compatibility
compatibility compatibility compatibility (SCSI)
DDS-2 (120m)
DDS (60 and 90m) DDS-3 (125m)
DDS-2 (120m) DDS-4 (155m)
DDS-3 (125m)
Backward read-write Backward read-write Backward read-write Backward read-write
compatibility
compatibility compatibility compatibility (USB)
DDS-2 (120m) DDS-3 (125m)
DDS-2 (120m) DDS-4 (155m)
DDS-3 (125m)
Tape Format Tape Format Tape Format Tape Format DAT 24 DAT 24 DAT 24 DAT 24 DAT 40 DAT 40 DAT 40 DAT 40 DAT 72 DAT 72 DAT 72 DAT 72
Recording Method Recording Method Recording Method Recording Method 4 mm helical scan 4 mm helical scan 4 mm helical scan
Recording Format Recording Format Recording Format Recording Format
(SCSI) DDS-3, DDS-2, and DDS
(ANSI/ISO/ECMA) DDS-4, DDS-3, and
DDS-2
(ANSI/ISO/ECMA) DAT 72, DDS-4, DDS-3
(ANSI/ISO/ECMA)
Recording Format (USB) DDS-3 and DDS-2 DDS
(ANSI/ISO/ECMA)
DDS-4, DDS-3, and
DDS-2
(ANSI/ISO/ECMA) DAT 72, DDS-4, DDS-3
(ANSI/ISO/ECMA)
Data Compression Data Compression Data Compression Data Compression Lempel-Ziv (DCLZ) Lempel-Ziv (DCLZ) Lempel-Ziv (DCLZ)
Error Error Error Error
Detection/Correction
Detection/Correction Detection/Correction Detection/Correction
Reed-Solomon Reed-Solomon Reed-Solomon
Data Encoding Method Data Encoding Method Data Encoding Method Data Encoding Method Partial Response
Maximum Likelihood
(PRML)
Partial Response
Maximum Likelihood
(PRML)
Partial Response
Maximum Likelihood
(PRML)
QuickSpecs
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Technical Specifications
DA - 11883 Worldwide — Version 15 — March 20, 2006 Page 26