SCSI Cables

SCSI cables are used for high-speed bus connections between small computers and intelligent peripherals such as hard disks, printers, and optical disks. There are two basic product types: bulk cables and cable assemblies. SCSI bulk cables are sold by the foot or in reels. SCSI cable assemblies are collections of wires or cables that are banded into a single unit with connectors on at least one end. Specifications for SCSI cables include SCSI  standards, application, cable construction, standards and certifications, and rated temperature. 

SCSI cables differ in terms of standards and applications. Common SCSI standards include SCSI-1, SCSI-2, and SCSI-3; Ultra2-SCSI and Ultra3-SCSI (Ultra 160); and Ultra320 SCSI. Applications for SCSI bulk cables and SCSI cable assemblies are specified as audio, camera or imaging, computer cable, military or defense, medical, networking, telecommunications, and video. Specialized and proprietary SCSI cables are also available. For example, Serial SCSI is a very fast bus standard that supports data transfer rates up to 400 Mbps. It is a subset of IEEE 1394 or FireWire^®, a registered trademark of Apple Computer, Inc. 

Cable construction specifications for SCSI cables include cable length, gender, and connector type. Cable length is listed in English and/or metric units. There are three choices for gender: male-male, male-female, and female-female. Connector types for SCSI cables are numerous. Choices include Centronics 50 (Centronics Corp.); DB9, DB15, DB25, DB37, DB50, and DB68; Internal 50-pin SCSI and internal 68-pin SCSI; and Micro Centronics 36, 50, 60, and 68. Telco 50, USB Type A, and USB Type B are additional connector-type choices for SCSI cables.   

SCSI cables may bear various marks or carry certifications and approvals. Bulk cables and cable assemblies that are sold in Canada or  Europe often bear the CSA mark or the CE mark, respectively. Certifications and approvals are available from DEMKO, ISO, the IEC, the FCC, and ETL SEMKO. Restriction of Hazardous Substances (RoHS) is a European Union (EU) directive that requires all manufacturers of electronic and electrical equipment sold in Europe to demonstrate that their products contain only minimal levels of specific hazardous substances. SCSI cables that bear the UL mark are also available.

• SCSI Terminators
  SCSI terminators are an electrical circuit at the end of the SCSI cable designed for impedance matching. With the terminator in place, the electrical signals traversing the cable will not be reflected...
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• SCSI Unscrewed
  Now Serving Our Customers from Two Locations! CableWholesale.com is pleased to be able to be able to serve you from both our Livermore, CA headquarters and our new distribution center in Norcross, GA....
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• Multimode Terminators (LVD / MSE)
  Multimode terminators are used in LVD systems that use multimode transceivers. Depending on the voltage level that appears at the DIFFSENSE pin of the cable, the transceiver automatically chooses...
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Part Numbers for SCSI Cables