timmo66 Posted April 9, 2013 Share Posted April 9, 2013 To test telemetry out of DVR what should i get if i put a meter across RX and TX when joystick in use? Anything? Link to comment https://www.thesecurityinstaller.co.uk/community/topic/34339-serial-telemetry/ Share on other sites More sharing options...
matthew.brough Posted April 9, 2013 Share Posted April 9, 2013 To test telemetry out of DVR what should i get if i put a meter across RX and TX when joystick in use? Anything? Yes, the voltage should vary. www.securitywarehouse.co.uk/catalog/ Link to comment https://www.thesecurityinstaller.co.uk/community/topic/34339-serial-telemetry/#findComment-313028 Share on other sites More sharing options...
Oxo Posted April 9, 2013 Share Posted April 9, 2013 0-6 VDC Generally IIRC Link to comment https://www.thesecurityinstaller.co.uk/community/topic/34339-serial-telemetry/#findComment-313034 Share on other sites More sharing options...
whistle Posted April 9, 2013 Share Posted April 9, 2013 Use an Led, works every time. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/34339-serial-telemetry/#findComment-313043 Share on other sites More sharing options...
timmo66 Posted April 9, 2013 Author Share Posted April 9, 2013 Use an Led, works every time. Great idea! Link to comment https://www.thesecurityinstaller.co.uk/community/topic/34339-serial-telemetry/#findComment-313047 Share on other sites More sharing options...
timmo66 Posted April 9, 2013 Author Share Posted April 9, 2013 Thanks guys. I did have telemetry, now i havent. Tried rs485, rs422, all different combinations of protocols, and nothing. Cable is okay. Hoping its a simple case of plug on circuit board being duff. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/34339-serial-telemetry/#findComment-313053 Share on other sites More sharing options...
MrHappy Posted April 9, 2013 Share Posted April 9, 2013 http://www.ebay.co.uk/itm/3-5-inch-LCD-Monitor-CCTV-Security-Test-Tester-Camera-Video-PTZ-Audio-UTP-12V-/251172254713?pt=UK_BOI_Electrical_Test_Measurement_Equipment_ET&hash=item3a7b0873f9 a cheap & cheerfull cctv tester is quite a handy thing to have on hand Mr Veritas God Link to comment https://www.thesecurityinstaller.co.uk/community/topic/34339-serial-telemetry/#findComment-313056 Share on other sites More sharing options...
matthew.brough Posted April 9, 2013 Share Posted April 9, 2013 http://www.ebay.co.uk/itm/3-5-inch-LCD-Monitor-CCTV-Security-Test-Tester-Camera-Video-PTZ-Audio-UTP-12V-/251172254713?pt=UK_BOI_Electrical_Test_Measurement_Equipment_ET&hash=item3a7b0873f9a cheap & cheerfull cctv tester is quite a handy thing to have on hand Agreed. I have a systemq one and a very handy little gadget. www.securitywarehouse.co.uk/catalog/ Link to comment https://www.thesecurityinstaller.co.uk/community/topic/34339-serial-telemetry/#findComment-313060 Share on other sites More sharing options...
timmo66 Posted April 9, 2013 Author Share Posted April 9, 2013 Cheap?? Unfortunately its not something i can afford and im not lucky enough to have one provided by the company Link to comment https://www.thesecurityinstaller.co.uk/community/topic/34339-serial-telemetry/#findComment-313067 Share on other sites More sharing options...
Alarm Protection Posted April 9, 2013 Share Posted April 9, 2013 An LED across the + and - then go and move a cam. If it lights up then the DVR is ok for telem. ! Link to comment https://www.thesecurityinstaller.co.uk/community/topic/34339-serial-telemetry/#findComment-313068 Share on other sites More sharing options...
Recommended Posts
Archived
This topic is now archived and is closed to further replies.