bry25_uk

hi, that pic is exactly what my dvr looks like and in the book it says it does support rs232/485 for ptz. in the menus i can set up protocol, address,baud etc for each channel. i have linked the data+/- to the 485a/b with no response at all. the dvr is configured to pelco-d and looking on th net i have also configured the camera the same

have a sentient h264 ptz dvr and a vcl orb0006(honeywell i believe) and am having trouble connecting them.on the back of my dvr the interface has these connctions "+5,gnd,485b,485a,gnd,1no,1nc,gnd" on the cctv camera i have "s.gnd,sync,data-,data+,0vs,+vs,vgnd,vid… i have established that the 0vs and +vs on camera are a 12v supply and the vgnd and video are the videio line. i have connected these and have a picture, but am unable to get the PTZ side to work. any help is greatly appreciated. thanks