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KX-TVM200E / KX-TVM200NE
6.2.
VOICE DATA PATH SWITCHING BASED ON DIFFERENCE IN
INTERFACE
6.2.1.
During DPT interface
When DPT interface is selected, each DPT and each DSP are connected as pairs. Each McBSP0 highway between each pair
is a path independent from the highways of other channels. The clock master is the ECO ASIC making up the DPT interface.
The Dch highway on which control data is sent and received by DPT link is usually a path formed between the ECO chip of the
channel earliest in order and the HDLC controller embedded in the ASIC. By controlling the Dch highway gate, this path can be
formed between any ECO chip, and support is possible even in cases where the ECO of the channel earliest in order breaks
down.
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