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midsplit

The midsplit method, like the subsplit method and the highsplit method, was used for frequency separation in local broadband networks

. In single-cable broadband systems

, the availablefrequency range was divided into channels that could transmit the signals

in theforward and reverse direction, thus enabling bidirectional

transmission. Themidsplit method was specified

by IEEE in the 802.4

token bus standard and was used in practice in theManufacturing Automation Protocol

(MAP).17 channels with 6 MHz

, 12 MHz or 18 MHz were available for transmission.

Wideband system Midsplit technology

Wideband system Midsplit technology

The frequency range for the backward channels (direction towards the head-end station) was 5 MHz to 108 MHz, that for the forward direction between 162 MHz and 400 MHz. The midsplit technology had a usable bandwidth of 341 MHz.

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Englisch: midsplit
Updated at: 02.03.2008
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