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cctvman1379

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  1. cctvman1379

    RS485 question

    The only thing on rs485 is turn on the resistor for the furthest camera if nor than one as it balances baces the signal
  2. cctvman1379

    RS485 question

    Hi take a cable from. The connections on the dvr to the keyboard and they will both work fine both through dvr or nvr and through the keyboard
  3. This Looks like the it lights are relflecting back towards the camera lens is there a sponge around the lens that touches the glass as that could be misformed or misaligned
  4. cctvman1379

    Help ptz camera

    The green yellow is a earth or ground wire The square connector is rj45 ether net The small round connector is for external power 12vdc or 24v ac it'll say OK the yellow label what is required
  5. cctvman1379

    PTZ housing

    Hi your pictures dont work on the links could you attach them direct
  6. cctvman1379

    RS485 Cabling?

    From experience in the 2000,s when I worked in the cctv installation as a trainee I was always taught to use beldon screened 2 pair cable for data transmission and earth the screen wire I've never trusted cat5 or cat6 as a transmission line I have ptzs at home and have cabled in beldon cable and the job I'm working on at present I'm cabling the data in beldon it's just how I was trained and have carried it on for 15 years
  7. cctvman1379

    Powers Supply Amperage

    The cameras draw aprpx 500ma per camera with infrared active and colour day is about 400ma no infrared you don't need all the pairs for power I use brown and white brown as pos and blue pair as neg
  8. So take the second hdmi feed to the second monitor using a hdmi externser over Cat5
  9. How many outputs has the nvr got. And. What make or. Model is the nvr
  10. cctvman1379

    Cat and Cat5e?

    https://www.amazon.com/Cable-Copper-Outdoor-Resistant-Syston/dp/B076VC77J7/ref=sr_1_4?crid=IKFI3X8D36K2&keywords=cat5e+copper&qid=1554017674&s=gateway&sprefix=Cat5e+copp%2Caps%2C283&sr=8-4 That one is pure copper I will not use cca as its poor quality
  11. As far as I'm. Aware dvrs nvrs don't have WiFi chips built. In they use either a WiFi access point on lan to. Nvr or a power ethernet line in the wall. Sockets
  12. Use a powerline adaptor in the loft and plug into nvr then the second powerline downstairs into router that will send the data through the electrical wiring
  13. cctvman1379

    Hikvision DS-2CE56D0T-IRMF power cable

    Reed is pos green black is neg u I believe from a thct120 I had to cut the plug off I metered on the plug from continuity on the centre pin and the back cut wires on the plug itself when I checked hope that helps
  14. cctvman1379

    Splice COAX to split the feed.

    Couldn't you just run a cable from DVR monitor output to TV direct
  15. cctvman1379

    Black Wavy Lines

    Have you tried a different camera that looks like many cable fault in honestly could be a slight short between dialectic and shield
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