Glossary

Digital, Intel, Xerox (DIX) connector used to connect thinnet cables and networks.

The Department of Defense

Impurities that are deliberately introduced into the materials used to make optical fibers. Dopants are used to control the refractive index of the material for use in the core or the cladding.

Orange street cabinet

An uninsulated wire in contact with a shielded cable

A single length of cable installed between two points.

Optical fiber connector used for POF (plastic optical fiber).

Digital Service level 1. Digital service that provides 24 separate 64Kbps digital channels.

A combination of the various pieces of DSX apparatus and its supporting mechanism, including its frame, rack, or other mounting devices.

Any number of DSX lineups that are connected together to provide DSX functionality.

Multiple contiguous DSX bays connected together to provide DSX functions.

A fiber-optic connector developed by the Nippon Electric Group in Japan.

A pair of counter-rotating logical rings.

An FDDI concentrator that offers two attachments to the FDDI network that are capable of accommodating a dual (counter-rotating) ring.

A term used with FDDI networks to denote a station that attaches to both the primary and secondary rings; this makes it capable of serving the dual (counter-rotating) ring. A dual-attachment station has two separate FDDI connectors.