danlad1980 Posted April 6, 2013 Share Posted April 6, 2013 hi all hope your all well? need you guys to get your heads around this snag. hikvision DVR working 3 DM PTZ's with 3 x BBV CTI/1 coax telemertry interface units. 2 of the PTZ work fine as the cable run is RG59 and only 50m long but the 3rd dosn't work due to cable being over 350m long with RG59. anyone any ideas how i can sort this without changing the cable? Thanks Link to comment Share on other sites More sharing options...
danlad1980 Posted April 6, 2013 Author Share Posted April 6, 2013 the video from this camera is working and clear. Link to comment Share on other sites More sharing options...
Oxo Posted April 6, 2013 Share Posted April 6, 2013 They have a working distance of 250 mtrs. One of these will hit 350mtrs http://www.secure.no/files/Videotec/VID-DTMRX2%20Data%20receiver.pdf Link to comment Share on other sites More sharing options...
danlad1980 Posted April 6, 2013 Author Share Posted April 6, 2013 will that change RS485 into coax telemertry? Link to comment Share on other sites More sharing options...
Oxo Posted April 6, 2013 Share Posted April 6, 2013 Did you read it? Link to comment Share on other sites More sharing options...
danlad1980 Posted April 6, 2013 Author Share Posted April 6, 2013 reading it now but it reads to me as if R232, 485 or coax all control the outputs and don't send RS485 out on coax? sorry if im wrong. Link to comment Share on other sites More sharing options...
Oxo Posted April 6, 2013 Share Posted April 6, 2013 Could be a long day is working on me. Samsung Techwin do one that goes to 1km. No link I`m afraid, just recall it from somewhere. Link to comment Share on other sites More sharing options...
MrHappy Posted April 6, 2013 Share Posted April 6, 2013 I assume if BBV can't amplify / repeat , RDT will make something radio based ? Mr Veritas God Link to comment Share on other sites More sharing options...
danlad1980 Posted April 6, 2013 Author Share Posted April 6, 2013 thanks will look into both. thank Oxo, Mr Happy Link to comment Share on other sites More sharing options...
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