It is recommend just the opposite
64QAM 10dB below
256QAM 6dB below
We run all 256QAMs 6 below and found better SNR and MER at the tail ends, as long as you optimize you laser correctly.
Check a Broadband data book to verify. SA and Blonder tongue have them online for free..
Re: QAM levels
Member #: 38954
Registered: 6/28/2005
Posted:
201
Name:
Scott
Company:
Private MSO
Occupation:
Head End Tech
Location:
NE
There is 1 reply to this message
