Author: RRi
Page - 25 -
Version 1.3
Date: 10-2019
BLANKOM-HDM-4230_User_Manual_ENv1.3.docx
MPEG2/4 HD-SDI to QAM and IP Encoder User Manual
With changed values for the FEC (outer) …
Usually the TV set would not update it’s NIT except you perform a manual tuning to one of
these channels where you have inserted the NIT of this device. Some TV sets will only be
store one NIT, and if you need the using of a NIT in your Coax-CATV network we recommend
to place these extra inserted QAM DVB-C Channels in a free 4 channel range as lowest as
possible by i.e. using a Band-Filter (to exclude these bandwidth and later add this 4x RF
channels and combine both networks after or in it.
The TV sets (or DVB-C STB’s) would read the NIT from the first RF QAM channel they will find
(i.e. @ around 306MHz which is a common Value in particular with a cable operator using