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Cable modulation-profile

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flavio.mali
Cable modulation-profile

Dear,
            Could anyone provide me a good example of modulation-profile cable for A-TDMA channel 6.4Mhz 16QAM which when noise increase pass to QPSK?

Thank you.

cmcaldas
depends

what cmts is it for? not all the same

flavio.mali
ubr10k

sorry. cisco ubr10k.

mbowe
There are various predefined

There are various predefined profiles, you can see them if you type "cable modulation profile 222 ?"

So for 16QAM with fallback to QPSK you could do something like :

cable modulation profile 222 robust-mix-low
cable modulation profile 223 qpsk
interface cable 5/0/0
cable up 0 modulation-profile 222 223

docsis