Tape Backup Unit Specifications - NEC PowerMate Enterprise Manual

1-50 Technical Information
Feature
Tape Backup Unit
Capacity
Effective Backup Rate
Data Transfer Rate
Tape Speed
Read/Write
Search/Rewind
Recording Method
Recording Format
Recording Code
Error Recovery
Head Configuration
Recording Media
Cartridge Size
Data Density
Tracks
Synchronous Transfer Rate
(Burst)
Asynchronous Transfer Rate
(Burst)
Voltage Tolerance
Temperature
Humidity
Altitude
Table 1-37 Tape Backup Unit Specifications
Specification
Seagate CTT8000 IDE Minicartridge Drive
4.0 GB (900 Oe 740' Travan cartridge,
uncompressed)
8.0 GB (900 Oe 740' Travan cartridge,
compressed)
30 MB/min typical native
45 MB/min typical compressed
300/450/600 KB/second Fast Sense
33, 51, or 77 ips
90 ips max
Serpentine
QIC-3095-MC
1,7 RLL
Reed Solomon ECC
Wide write/narrow read
900 Oe 740' Travan TR-4
3.2 in. x 2.4 in. x 0.4 in. (81 mm x 61 mm)
67,733 bpi
72 data tracks, one directory track
5 MBytes/sec maximum
5 MBytes/sec maximum
+5V +/-5%; +12V +/-10%
operating: 5 to 45
non-operating: -40 to 65
operating: 20% to 80% (non-condensing)
non-operating: 5% to 95% (non-condensing)
operating: -1,000 to 15,000 feet
non-operating: -1,000 to 50,000 feet