Hello to all from Italy and congratulations for the forum.
I turn to you for aid is involved on a problem that when I have suluzione.
I have a 16ch DVR CPD507 which I connected with a n.2 PTZ camera and controller PT3000 (with video LCD 3 ')
my problem is that I can control the PTZ without problems, but I can not control the DVR in exchange for images (4,9,16 square)
The protocol used is Pelco-D, 2400.
the controller has an entrance and an exit from the DVR to the PTZ and linking in this mode do not work the PTZ, but if I connect all parallel onto the bus Output PTZ, PTZ but does not control the DVR.
In a few words in both modes can not control the DVR in exchange for images.
I guess someone help?

Thanks to everyone for availability
Max