Network Management Strategies for the CIO
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erbium amplifier
An erbium amplifier, also called optical amplifier or an erbium-doped fiber amplifier or EDFA, is an optical or IR repeater that amplifies a modulated laser beam directly, without opto-electronic and electro-optical conversion. Definition
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domain name system (DNS)
The domain name system (DNS) is the way that Internet domain names are located and translated into Internet Protocol addresses. Definition
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DTMF (dual tone multi frequency)
DTMF (dual tone multi frequency) is the signal to the phone company that you generate when you press an ordinary telephone's touch keys. Definition
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RNIS (Reseau Numerique a Integration de Services)
RNIS (Reseau Numerique a Integration de Services) is the European name for Integrated Services Digital Network (ISDN). Definition
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PSTN (public switched telephone network)
PSTN (public switched telephone network) is the world's collection of interconnected voice-oriented public telephone networks, both commercial and government-owned. Definition
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codec
In communications engineering, the term codec is used in reference to integrated circuits, or chips that perform data conversion. Definition
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soliton
A soliton is a special form of light pulse that can be transmitted over a fiber optic channel. Definition
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transit
Transit is the connection to and use of a telecommunication path provided by a vendor. Definition
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dark fiber
Dark fiber is optical fiber infrastructure (cabling and repeaters) that is currently in place but is not being used. Definition
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dial-up
Dial-up pertains to a telephone connection in a system of many lines shared by many users. Definition