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Ayrıntılar 2B+D - Configuration of a Basic Rate Int
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İsim2B+D - Configuration of a Basic Rate Int
Açıklama2B+D - Configuration of a Basic Rate Interface (BRI) line. A single ISDN circuit divided into two 64 kbps digital channels for voice or data and one 16 kbps channel for low speed data ( up to 9,600 baud ) and signaling. 2B+D is carried on one or two pairs of wires depending on the interface, same wire pairs that today bring a single voice curcuit into your home or office. 10baseT - 10 Mbps Ethernet LAN technology. 100baseT - 100 Mbps Ethernet LAN technology. 16CIF - 16 times Common Intermediate Format: 1408x1172 pixels. H.263 optional format. 4CIF - 4 times Common Intermediate Format: 704x576 pixels. H.263 optional format. AAL - ATM Adaptation Layer. Format for sending packets on a ATM network. Access Device - A gateway to the ATM network. It provides entry between various hardware and applications to the device. Accunet - Trademark name for high speed switched digital service provided by AT&T. A/D - Analog-to-digital. ADPCM - Adaptive Differential Pulse-Code Modulation. Coding technique used in G.728. ADSL - Asymmetric Digital Subscriber Line. High bandwidth network technology that transmits at a higher rate in one direction than the other. Uses standard POTS wiring for bandwidths up to several Mbps. AGC - Automatic Gain Control. Algorithm to normalize volume regardless of speakers position relative to microphone. Aggregation - Method for sending data down two or more parallel channels. A-law - European quantizing method for voice PCM in G.711. Algorithm - Method for solving a problem or performing a task. Analog - The traditional means of sending traffic over copper wires. Analog signals are continuously variable, like a flowing line or wave, as opposed to 1/0 digital signals. Analog signals must be converted into digital signals in order for computers to be able to understand them. Used in POTS. ANS - Automatic Noise Suppression. Reduces background noise from an audio signal. Annex D - Still-image graphics mode of H.261. Can support maximum 7...
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Ekleme tarihi: 07.10.2008 16:13
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En son güncelleme 07.10.2008 16:14
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