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RS485 Distributor RS485 SHARER 4 IN - 1 OUT

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Summary

This RS485 12v DC Combiner ballows you to connect up to four RS485 control devices such as DVRs, Matrix units and S485 keyboards that will control from 1 to 128 PTZ dome cameras. This combiner overcomes control problems as it utilises a shared control bus.

SKU Name Price Bulk
3081 RS485 Distributor RS485 SHARER 4 IN - 1 OUT
OUT OF STOCK
94.44
inc vat  113.33

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Description

This RS485 12v DC Combiner ballows you to connect up to four RS485 control devices such as DVRs, Matrix units and S485 keyboards that will control from 1 to 128 PTZ dome cameras. This combiner overcomes control problems as it utilises a shared control bus.

General Information

  1. The ACC704 RS485 combiner requires a 12v DC regulated power supply. An in-line 1A power supply and lead with a 13amp plug is supplied free with each unit.
  2. Do not attempt to disassemble these combiners. In order to prevent electric shock, do not remove screws or covers. There are no user-serviceable parts inside this unit.
  3. Always use and adhere to current electrical safety standards to install and use the RS485 Combiner. The RS485 cables should be kept way from high voltage equipment such as mains cables and especially fluorescent lights. Using an anti-surge protection device is recommended to prevent damage to this unit from lightning and mains surges. Damage caused by lightning or mains voltage surges is not covered under the warranty.
  4. Do not operate in areas exceeding the stipulated limitations concerning temperature, humidity and power supply.
  5. Always ensure that when connecting RS485 control equipment that the correct polarity is observed.

Power
Connect a 12vDC regulated power supply with 2.1mm jack to the power input.


Input Controllers

This RS485 combiner allows you to connect up to four RS485 inputs from controllers such as DVRs, Keyboards and Matrix units. All four inputs can be activated at the same time. The input devices can have any protocol, baud rate and ID.


Output RS485 Bus Line

The RS485 output bus line allows connection of up to 128 PTZs in parallel with different protocols and baud rates. Commands from the input devices are directed at all the PTZ cameras connected and each PTZ will respond to commands that match the settings in the respective PTZ camera.


It is recommended to use one twisted pair of CAT5 for each of the RS485 inputs and outputs. The maximum connection range for each output is 1200 metres using CAT5. Ensure that the termination connection is switched on in the last PTZ camera or longest run. Note that you do not connect baluns on data lines.

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