Broadcast & Post Production : Disk Storage : Cables

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Recent News Releases
May 2008
Rorke Data & Quantum Team for High Performance SAN Solution for Broadcast & Post Production
April 2008
Rorke Data & Primera Team at NAB
March 2008
Bell Microproducts Announces Promotion of Joe Swanson to President, Rorke Data, Inc.
February 2008
Galaxy® Storage Line Addresses Decentralization of Storage Applications, Transition From Analog to Digital
August 2007
Rorke Data Achieves ISO 13485:2003 Certification

 

 

 

Cables
Cables

This is page is currently being updated. Check back for more current cable information.

In this section:

  • Cable Length
  • Specifications
  • Definitions
Other cable information:
Rules of Thumb for Maximum Cable Length
Standard Connector Cable Length
SCSI-1 50-pin Low Density 6 Meters (19 feet)
SCSI-2 50-pin High Density 3 Meters (9 feet)
Ultra 50-pin High Density 3 Meters (9 feet)
Ultra Wide 68-pin High Density 1.5 Meters (4+ devices)
3 Meters (1-3 devices)
Ultra2 68-pin High Density 12 Meters (39 feet)
SCSI Specifications
Narrow 8-bit devices
Wide 16-bit devices
SCSI-1 8-bit devices running at 5MB/sec
SCSI-2 8-bit devices running at 10MB/sec
Ultra 8-bit devices running at 20MB/sec
Ultra Wide 16-bit devices running at 40MB/sec
Ultra2 16-bit devices running at 80MB/sec
Definitions
Daisy Chain A SCSI cable configuration in which devices (hard drives, CDs, tape drives, etc.) are connected one to another in a series. 
  • Ultra Wide and Ultra2 boards can daisy chain up to 15 SCSI devices.
  • SCSI-1, SCSI-2 and Ultra boards can daisy chain up to 7 SCSI devices. 
Differential When differential is added, cable distance can increase up to 25 meters. (SCSI-2+)
Low Voltage Differential (LVD) LVD reduces the amount of power needed to drive the SCSI bus, and increases the cable length from 3 meters to 12 meters.

 

Additional Cable Reference

 
Download Galaxy HDX2 Brochure PDF (270k)
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Download Rorke Data Comprehensive Services Brochure PDF (1800k)


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