Using a cable TAP to insert a modulated signal?

[dan@gnnllc 0]

Not sure if this is the right forum, but I have a customer who wants a CATV channel inserted into their cable system for display on all down stream tvs.

 

The Time Warner cable trunk line comes into a closet and feeds through 2 taps, http://www.ncsind.com/products_details.aspx?mid=2&cid=28&sid=54&pid=118 as well down stream there is another tap which feeds additional tv runs.

 

My question is can I simply connect my modulator onto either the trunk or into one of the tap lines, in order to combine my channel?

 

I have used a reversed splitter as a combiner in past installations, but am unsure whether these taps can be used in a similar way.

 

Thanks in advance,

-Dan