circuit switching.
There are four possible combinations of encoding techniques -Digital data, digital signal -Digital data, analog signal -Analog data, digital signal -Analog data, analog signal
the digital carrier loop system
a frame in computer network, is a digital data transmission unit.
http://wiki.answers.com/Q/How_is_the_data_and_imformation_transimited_over_public_telephone_network,public switched telephone networks and intergrated service digital networks.
See the related link below.
Adaptive delta modulation is a analog-to-digital and digital-to-analog conversion technique which is primarily used for voice transmission data and can be used for multiple purposes.
Adaptive delta modulation is a analog-to-digital and digital-to-analog conversion technique which is primarily used for voice transmission data and can be used for multiple purposes.
Adaptive delta modulation is a analog-to-digital and digital-to-analog conversion technique which is primarily used for voice transmission data and can be used for multiple purposes.
PDH stands for Plesiochronous Digital Hierarchy. It is a technology that is used in telecommunications networks to send large quantities of data over digital transport equipment, like fiber optic and microwave radio systems.
D. V. Glen has written: 'Guidelines to telecommunications interconnection requirements for message input to the USPS E-COM System' -- subject(s): Data processing, Telecommunication systems 'Integrated services digital networks, standards, and related technology' -- subject(s): Digital communications, Digital integrated circuits 'Reference manual for packet mode standards' -- subject(s): Packet switching (Data transmission) 'Networks, signalling, and switching for post-divestiture and the ISDN' -- subject(s): Digital telephone systems, Electronic Telephone switching systems, Integrated services digital networks, Telephone switching systems, Electronic
n Digital data, digital signal n Equipment less complex and expensive than digital-to-analog modulation equipment n Analog data, digital signal n Permits use of modern digital transmission and switching equipment n Digital data, analog signal n Some transmission media will only propagate analog signals n E.g., optical fiber and unguided media n Analog data, analog signal n Analog data in electrical form can be transmitted easily and cheaply
meaning of data capture technique