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Glossary of Terms
3M 1020B:
Testline for two-way gain/slope or step tone functions.
Access:
Telephone line or circuit connection to test equipment.
Address:
Information specifying a physical location of trunk
termination in a switch, or the logical location of the
trunk termination data in the switch computer.
Analog:
Any system where data is represented by a
continuously variable range of values, such as the
hands of a clock or the needle on a meter.
AWG:
American Wire Gauge. A numerical table designating
the cross-sectional area of wire. The larger the AWG
number, the smaller the wire.
Balance:
The amount of current cancellation along tip and ring
conductors. The subscriber hears non-cancelled
currents as noise metallic. BALANCE (dB) = POWER
INFLUENCE minus CIRCUIT NOISE.
C–Message Weighting:
This filtering makes measurements of noise more like
the response of the human ear to various frequencies
over a telephone circuit. Sensitivity of the ear drops at
frequencies below 800 Hz, and above 2500 Hz.
Central Office (C.O.):
Telephone switching center for connecting calls.
Cursor:
A flashing symbol on a display screen indicating
position for data entry.
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