Patch Cables and Cords Information
Image credit: Multi-Contact USA; Megladon Manufacturing Group, Ltd.; Allen Bradley / Rockwell Automation
Patch cables and cords are flexible cables that are terminated at both ends with a plug and used to interconnect circuits on patch panels. They are used with patch panels, groups of ports that connect lines between communications and electronic devices.
Patch panel ports are designed to accommodate specific types of connectors. When selecting patch cables and cords, industrial buyers must specify the correct connector type. The GlobalSpec SpecSearch database provides information about products with these connectors.
- BNC connectors are very secure bayonet-style locking devices that are used in broadcasting gear for both video and radio signals.
- Centronics® connectors are used for parallel connection and third-party peripherals. Centronics 36 connectors are not as wide as Centronics 50 connectors.
- D-shell connectors include DB9, DB15, DB25, DB37, DB50, and DB68 products. The number that follows the letter "B" indicates the number of pins.
- DIN connectors meet requirements from Deutsches Institut für Normung (DIN), a German standards body.
- DVI connectors are used for digital-video interface (DVI) applications and include DVI-A, DVI-D, DVI-I and M1-DA devices.
- FireWire connectors are available with 4, 6 or 9 pins.
- RJ-11 and RJ-45 connectors are used for serial data transmission.
- USB connectors are used with the universal serial bus (USB) and include lettered (A and B) versions in both micro and mini sizes.
Patch cables and cords for high-speed serial data connection (HSSDC) and internal 50-pin SCSI connections are also available.
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Ethernet cables are designed to support Ethernet, a standard protocol for the connection of computers in a local area network (LAN). They use twisted pair cables and modular connectors, and are designed to run at 10 Mbps, 100 Mbps, or 1 Gbps.
Network cables are used in the transmission of data across networks. Choices include Fibre Channel, FireWire or IEEE 1394, GPIB, serial, parallel, patch, SCSI, Ethernet and USB.
SCSI cables are used for high-speed bus connections between small computers and intelligent peripherals such as hard disks, printers, and optical disks.
Serial cables are used for the serial transmission of data. They support communication standards such as RS232, RS422, and RS485, as well as Fibre Channel, IEEE 1394 or FireWire® (Apple Computer, Inc.), and universal serial bus (USB).
Video cables are used for the transmission of video signals, including monochrome, composite and component color video signals.