Information   Sheets
B
Term	Explanation
Backbone Wiring	The physical and electrical interconnections between
	telecommunications and closets and equipment rooms.
Balanced Line	Two identical conductors which carry voltages opposite
	in polarity and equal in magnitude with respect to ground.
Bandwidth	The difference between the upper and lower limits of a given
	band of frequencies. (Hz)
Baud	Unit of data transmission speed meaning bits per second.
BER	The Bit Error Rate is the discrepancy between outgoing and
	incoming bits transmitted between data quipments.
Bit	One binary digit.
Bonding	The method used to produce good electrical contact between
	metallic parts of any device. Extensively used in aircrafts to
	prevent static build up.
Breakdown	A disruptive discharge through the insulation.
Breakdown voltage	The voltage at which the insulation between two conductors
	breaks down.
Bus-Bar-Wire	Uninsulated tinned copper wire used as a common lead.
Byte	A group of adjacent binary digits (8 bits)