Overland Data DLT LibraryXpress Series, Service Manual

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Appendix A - Specifications 123
Appendix A - Specifications
Operational Performance Specifications
Host Interface.............. SCSI-2 (s/e or diff) or Fast/Wide SCSI (s/e or diff)
Number of Cartridges, Full Magazine
Base Module ................................................................................... 10
Capacity Module ............................................................................. 16
Global Control Module..................................................................... 16
Media type
2000XT Drives .............................................................. DLTtape IIIXT
4000 Drives....................................................................... DLTtape IV
7000 Drives....................................................................... DLTtape IV
Tape Speed................................. 110 in/sec read/write, 150 in/sec search
Tape Tension ............................................... 3.0 +/- 1 oz. when stationary
................................................................4.7 +/- 1 oz. at operating speed
Load Time .................................10 sec (max.), including picking from slot
Unload Time............................... 10 sec (max.), including returning to slot
Rewind Time ........................................................................ 45 sec (avg.)
Sustained native data transfer rate, maximum
LXB2110, 2210.................................................................1.25 MB/sec
LXB4110, 4210...................................................................1.5 MB/sec
LXB7110, 7210......................................................................5 MB/sec
Peak SCSI transfer rate, synchronous mode
LXB2110, 2210...................................................................5.0 MB/sec
LXB4110, 4210.................................................................10.0 MB/sec
LXB7110, 7210.................................................................20.0 MB/sec
Native Data Capacity (Per Cartridge):
LXB2110, 2210.......................................................................... 15 GB
LXB4110, 4210.......................................................................... 20 GB
LXB7110, 7210.......................................................................... 35 GB
Reliability Specifications (Drives)
Mean cycles between operator intervention ..................................150,000
Data Error Rate .................................................................. 1 in 10
15
bytes
MTBF ...................................................280,000 hrs (unlimited duty cycle)
MTTR.............................................................................................15 min
Head Life ............................................................. 30,000 tape motion hrs
Design Life .........................................5 years @ 3,300 power-on hrs/year
Reliability Specifications (Library Robotics)
Life Expectancy, Load/Unload Operations ....................................500,000
Design Life ............................................................................Seven years
Power Specifications
Voltage................................................................................ 115-240 VAC
Amperage, Each Module
LXB ........................................................................................ 1.8-1.2 A
LXG, LXC............................................................................... 1.0-0.5 A
Line Frequency ...................................................................... 50-60 Hertz