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QuinLED Diff-Adv Terminator Plug

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One of the design decisions during the development of the QuinLED Diff-Adv was to use an External Termination plug, after a few meters, having this terminal plug in place is mandatory for the system to work correctly.

What the plug does technically is add a 120? resistor between the A and B RS485 per pair (there are 4 running over the UTP cable) and thus completing the circuit with the counterpart resistor that’s on the sender boards. You can find the pinout of the cables here.

A yellow RJ45 end-of-line terminator plug for the QuinLED Diff-Adv

The reason for this is the midpoint functionality the Diff-Adv system has where each of the boards in the chain can choose which channel to output, even if you want to output the same channel to multiple LED strips/strings. This would not be possible without the separate pluggable termination plug.

No worries, when buying a Diff-Adv Sender-4 board it comes with the terminator plug included! We will also have them as a separate item in the WorldWide store.

And that’s it, just make sure the last board in the chain has the terminator plug in it’s “out” RJ45 socket and all should be good!

The QuinLED Diff-Adv RS-485 end-of-line terminator (yellow RJ45 plug)

Top of the QuinLED Diff-Adv Sender board, noting an end-of-line terminator is required on the RS-485 outputQuinLED Diff-Adv boards chained together with blue UTP cables (sender, midpoint and receiver)