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channel bank

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channel bank

A multiplexor that merges several low-speed voice or data lines into one high-speed digital line and vice versa. Channel banks use TDM (time division multiplexing) to combine the different signals into one by interleaving the bits.

Starting in the 1960s, channel banks converted 24 analog voice lines into digital and multiplexed them onto one T1 line. Towards the late 1980s, they became more sophisticated and accepted plug-in modules that took in a variety of digital signals and multiplexed them onto the T1. See TDM.



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Additionally, an I2C interface allows LED currents within each dual output channel bank to be conveniently and accurately controlled in 0.
The RazorAccess 1600 combines the functionality of a SONET/SDH ADM, Layer 2 Ethernet Switch, Channel Bank, and Digital Access Cross-Connect (DACS) in a single rack unit (1 RU) over an optical trunk with speeds up to OC-12/STM-4.
The Wildcard TDM2400P replaces the requirement for a separate channel bank and T1 interface cards while offering superior echo cancellation on both FXO and FXS interfaces.
 
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