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Glossary
GL-2 Issue 5 June 1999
E
ECS. See Enterprise Communications Server
Emerging Technologies Band
20 MHz of unlicensed spectrum for Personal Communication Service (PCS) in North America.
The band is isochronous (1920-1930 MHz) with eight channels of 1.25 MHz bandwidth per channel
primarily for voice, and asynchronous (1910-1930 MHz) primarily for data.
Enterprise Communications Server
Private Branch Exchange (PBX) developed by Lucent Technologies.
Estimator
Tool within the WiSE Expert Design System that is used to gather information about the customer
site. This tool is used to provide an initial price quote and to configure the DWBS.
F
FCC. See Federal Communications Commission
FDMA. See Frequency Division Multiple Access
Federal Communications Commission (FCC)
Government agency within the US that is reponsibile for assigning and regulating the radio
spectrum so that it can be shared by many users without unacceptable interference.
fixed part
Part of the DWBS radio infrastructure that is not portable. This includes the Radio Controllers,
Wireless Fixed Bases, and Cell Antenna Units.
Frequency Division Multiple Access (FDMA)
Radio access method for which each call uses a different carrier frequency. FDMA allows one
conversation per radio.
H
hard keys
Dedicated buttons on the WT that are labeled for particular functions (for example, making calls).
hardware vintage
Numbering scheme for identifying the components and physical design of a DWBS part, such as a
circuit pack.