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・ Channel 9 virtual TV stations in Mexico
・ Channel 9 virtual TV stations in the United States
・ Channel 9 – Bahía Blanca
・ Channel 9 – La Rioja
・ Channel A (TV channel)
・ Channel A (TV series)
・ Channel access method
・ Channel Africa
・ Channel Air Bridge
・ Channel Airways
・ Channel AKA
・ Channel allocation schemes
・ Channel America
・ Channel architecture
・ Channel Awesome
Channel bank
・ Channel blocker
・ Channel bonding
・ Channel capacity
・ Channel capture effect
・ Channel catfish
・ Channel catfish virus
・ Channel Chaos
・ Channel Chasers
・ Channel check
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・ Channel Cities Oilers
・ Channel Classics Records
・ Channel code
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Channel bank : ウィキペディア英語版
Channel bank
In telecommunications, a channel bank is a device that performs multiplexing or demultiplexing ("demux") of a group of communications channels, such as analog or digital telephone lines, into one channel of higher bandwidth or higher digital bit rate, such as a DS-1 (T1) circuit.
A channel bank may be located in a telephone exchange, or in an enterprise's telephone closet or enclosure where it "breaks out" individual telephone lines from a high-capacity telephone trunk line connected to the central telephone office, or the enterprise's PBX system.
A working example in the finance industry is to provide several automatic ringdown (ARD) lines over a single T-1.
== See also ==

* Multiplexer
* Multiplexing
* Digital Signal 1
* Carrier system

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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