Losing heartbeat to 2nd Xtraview Decoder I have 2 Exploras and distribute to a 3rd tv.

[Jan-Horn]

This diagram would be suitable for the 5S as well 

[Jan-Horn]

I have with Geoff's assistance modified the diplexer diagram suit your setup. 

[Jan-Horn]

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@ethan wrote:

Hi i have an 1131 decoder and a 5s connected with a diplexer but it shows no communication please assist 

With the 5S as primary you need to install the diplexer in reverse behind the 5S and then run a  heart beat cable  to one of the RF ports of the 1131fron the diplexer,.The 1131 need to be connected to the Universal (legacy) port of the SLNB. The HB cannot be relayed through to the universal port of the SLNB

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[GeoffD]

What LNB is installed and where have you placed the diplexer? The Explora is the primary. You need to extract the HB from the LNB port and then run the HB cable to the 1131 decoder. Have you made sure the diplexer is correctly installed behind the Explora. See the diagrams published by Jan Horn for details.

[ethan]

Hi i have an 1131 decoder and a 5s connected with a diplexer but it shows no communication please assist