MoCA SIGNAL

11018 Views 12 Replies 4 Participants Last post by P Smith, Mar 26, 2012

duffasaurus

Discussion Starter · Mar 23, 2012

The MoCA signal on my Hopper/Joey shows it to be very low, first bar on the graph. Is this normal or can the low level cause problems?

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That seems low ... can you describe the cable between the Hopper and Joeys? Length? Splitters/Taps? Any unconnected cables? Any diplexing of additional signals?

Visit: Menu - Settings - Network Setup - Tests - View Counters
Page down to the bottom of the list and it will give numeric "RxPower" readings. What do you see for each Joey?

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tommiet

· #3 · Mar 24, 2012

James Long said:
That seems low ... can you describe the cable between the Hopper and Joeys? Length? Splitters/Taps? Any unconnected cables? Any diplexing of additional signals?

Visit: Menu - Settings - Network Setup - Tests - View Counters
Page down to the bottom of the list and it will give numeric "RxPower" readings. What do you see for each Joey?

But I cannot "mouse" over to view all the data in the counters screen. Works fine for the HDMI view.

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James Long

· #4 · Mar 24, 2012

tommiet said:
But I cannot "mouse" over to view all the data in the counters screen. Works fine for the HDMI view.

You don't need to mouse over. Once the counters screen is up just use the page up/page dn buttons on the remote to scroll.

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P Smith

· #5 · Mar 24, 2012

Or use USB mouse ...

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duffasaurus

Discussion Starter · #6 · Mar 24, 2012

James Long said:
That seems low ... can you describe the cable between the Hopper and Joeys? Length? Splitters/Taps? Any unconnected cables? Any diplexing of additional signals?

Visit: Menu - Settings - Network Setup - Tests - View Counters
Page down to the bottom of the list and it will give numeric "RxPower" readings. What do you see for each Joey?

Here are the results you requested:
RxPower readings
MoCA 1= -19dBm
MoCA 2= -23dBm
MoCA 3= -22dBm

Wire lengths:
From Dish to Solo Node--- 15'
Solo Node Host Output to Hopper----50'
Solo Node Client Output to 3-way Splitter---- 2'
3 Way Splitter to each Joey---- 50'

There are no Taps, diplexing or unconnected cables!
Everything seems to be working OK?

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James Long

· #7 · Mar 24, 2012

Your cable lengths are well within the 200ft and the numbers are not much different than mine (-14 dBm and -20 dBm). I'm showing "4 bars" at all locations so perhaps the bars are displaying the best connection? I'm seeing "4 bars" at each of the Joeys as well.

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P Smith

· #8 · Mar 24, 2012

Basically, signal level is not the final aspect of troubleshooting here.
You must know what error's level too. EMI or bad shielding could kill data on that acceptable signal level. Say BER, SNR, etc are the pertinent parameters of digital connection.

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James Long

· #9 · Mar 25, 2012

Unfortunately such figures are not provided. I'd settle for an EbN0.

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tommiet

· #10 · Mar 25, 2012

My Joeys keep dropping and it when they do find the Hopper, it takes awhile.

RxPower readings
MoCA 1= -49dBm
MoCA 2= -57dBm

All home runs and nothing over 50 feet.

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P Smith

· #11 · Mar 25, 2012

tommiet said:
My Joeys keep dropping and it when they do find the Hopper, it takes awhile.

RxPower readings
MoCA 1= -49dBm
MoCA 2= -57dBm

All home runs and nothing over 50 feet.

I would try different piece of cable with good compressed F-connectors, at least temporary run.
Your levels looks too close to minimum.

Is some know the dish min level ? Is it -63 dBm ?

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tommiet

· #12 · Mar 26, 2012

P Smith said:
I would try different piece of cable with good compressed F-connectors, at least temporary run.
Your levels looks too close to minimum.

Is some know the dish min level ? Is it -63 dBm ?

The disk tech replaced all the fittings the first time he was in. May need to change out the cable itself. My Hopper is also dropping its internet connect. My Joey has a HIC unit on it and it can connect to the internet. Does my Hopper need one too???

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P Smith

· #13 · Mar 26, 2012

See EKB diagrams - HIC is common gateway to Internet for all devices by MOCA i.e. from coax net. It could be relocated to other mode convenient place for you. I would use CAT5 cable from a router/switch to h2k, instead of HIC to j.

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