EXB-8500 and EXB-8500c Specifications

These specifications are for the EXB-8500 and EXB-8500c 8mm tape drives.

About the EXB-8500 and EXB-8500c

The EXB-8500 and EXB-8500c 8mm tape drives use helical-scan recording technology and read-and-write head pairs to achieve an uncompressed data transfer rate of 500 KB/sec. The EXB-8500c extends the performance of the EXB-8500 to a 10 GB capacity at a 1 MB/sec transfer rate (compressed). The EXB-8500 reads and writes 8200 and 8500 formats; the EXB-8500c writes 8200, 8200c, 8500, and 8500c data formats. The tape drives are designed to perform onboard error correction and error recovery, along with full read-after-write verification to ensure data integrity.

The tape drives are available in two configurations: as internal tape drives and as external drives that provide the convenience of a standalone peripheral.

Data handling

Capacity:
(8mm EXATAPE, 112m)

EXB-8500: 5 GB
EXB-8500c: 10 GB (compressed)*

Recording method:

Helical-scan

Compression method:

Improved Data Recording Capability compression algorithm

Data transfer rate:

500 KB/sec, uncompressed
1 MB/sec, compressed*

Device reliability (mean time between failures):

MTBF: 40,000 hours

Data integrity:

BER: <1 in 1017 bits
Reed Solomon ECC



Tape Control

Search rate:

37.5 MB/sec, uncompressed
75 MB/sec, compressed*

Rewind speed:

32.7 IPS (75 times nominal)

* Compressed capacity based on typical 2:1 compression ratio. Ratio depends on type of data.



Interface

Host interface:

SCSI-1 and SCSI-2



Environment

Operating temperature:

+41°F to +104°F (+5°C to +40°C)

Non-operating temperature:

-40°F to +140°F (-40°C to +60°C)

Relative humidity:

20% to 80% (noncondensing)



Power

Power requirements:

+5 VDC, +12 VDC
15 watts typical



Size and Weight

Dimensions:

3.25 in. (h) x 5.75 in. (w) x 8 in. (d)
(8.26 cm x 14.61 cm x 20.32 cm)

Weight:

4.5 lbs. (2.04 kg)

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