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The micro ribbon connector is a common type of electrical connector used particularly in various computer, telecommunication and other applications. Micro ribbon connectors are popularly known as Centronics connectors because of their use in the highly successful Centronics parallel interface. Micro ribbon connectors are also sometimes referred to as "Delta ribbon connectors" or "CHAMP connectors".
Description
A micro ribbon connector contains two parallel rows of flat connector blades in a block shape contained within a D-shaped metal or plastic shield. The shield ensures correct orientation and the metal type shield provides protection against electromagnetic interference. The part containing a central rib with connector blades on the outside is called the male connector or plug, while the mating part is called the female connector or socket and has the connector blades on the inner walls of the mating surface. The socket's shield fits tightly inside the plug's shield with the metal type shields generally connected to the system shield or frame ground. The connector is quite reliable due to the wiping action and fairly large contact area.
Micro ribbon connectors are produced with either 14, 24, 36, 50 or 64 pins. Different designs allow for panel mounting, board mounting and cable connection. The contacts are available as solder, crimp or insulation displacement. Female connectors are available with bail locks that provide a positive connection to the male connector. Versions using "jack screws" for locking are also available and widely used in the 50-pin telecommunications version.
Applications
- 24 pin connector: IEEE 488 (GPIB) interface
- 36 pin connector: IEEE 1284 parallel interface
- 50 pin connector: SCSI-1 interface, key telephone systems, 25-pair color code, PBXs; also known as RJ21
AMP Champ
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This article or section is missing citations or needs footnotes. Using inline citations helps guard against copyright violations and factual inaccuracies. (August 2008) |
An AMP Champ is a tool used to terminate the loose ends of a multi-pair cable into the plug ended AMP connector. The AMP Champ is a "butterfly" on which the colored wire pairs in a multi-pair cable are laid out in a defined order on one side of the tool. The AMP connector is mounted on the other side. A pair of levers crimps the wire ends into the pins of the AMP connector and cuts off the excess wire.
Many companies, including AMP, Amphenol, Cinch and Hirose make this connector which appeared first in the 1940s as a miniature version of the Amphenol "Blue Ribbon" connector. It's often referred to as a Telco or 25-pair connector. AMP connectors are most commonly seen today where a twenty-five (25) pair cable connects to an RJ-21X in a telephone room. These connectors come with protective caps, the color of which indicates the sex of the connector (red for female, blue for male).
Network connector usually called 25 pair Telco connector. Often used to link PABX's to a mainframe. Of the same series as the Micro ribbon or Centronics connector commonly used to interface with parallel computers, but has 50 pins instead of the 37 pins on the parallel printer interface. The wires are terminated to the connector using the 25-pair color code.
AMP is a division of Tyco.
