Can I share DISH line with cable modem? (1 Viewer)

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longshot270

Thread Starter
New Member
Feb 8, 2010
3
0
Durham NC
Hi everyone and thanks for your help,

I currently have a cable modem and wireless router upstairs in my house, but I would like to bring it downstairs for a number of reason. I want to set up in my entertainment center and hook it up by splitting/diplexing the cable going to my DISH receiver. I am very unexperienced in these type of matters and would love some help in getting this done correctly!

My dish receiver = VIP 722 DVR - Provides full HD service for my downstairs HDTV and standard definition for an upstairs TV

Currently, the cable comes from the wall, then diplexes (I think) twice as it hooks into the receiver. Here are pictures of the current wiring:

w1em41.jpg

This is the first diplex

20ppvcz.jpg

This is the 2nd diplex

spjjfr.jpg

This is where everything plugs in to the back of the receiver. The VHF/UHF cable from the 1st diplex plugs into the "Home Distribution" slot, The SAT cable from the 1st diplex then diplexes into the "Satellite 1 & 2" cables, which plug into their respective slots.

Here is a very poor diagram :)

wall cable------Diplex 1>>>>Home Distribution
....................................>>>>Diplex 2>>>>>>Satellite 1
.........................................................>>>>>>Satellite 2

My instinct is that I should be able to do this:
wall cable------Diplex 1>>>>NEW DIPLEX>>>>>Home Distribution
................................................................>>>>>Cable Modem
....................................>>>>Diplex 2>>>>>>Satellite 1
.........................................................>>>>>>Satellite 2

Would that work? What kind of Diplex should I use? Or should I used a splitter?

Please help! If anything needs clarification, just respond and let me know.

Thanks!

PS - If these pictures look humongous, I apologize, I don't know how to fix that!
 
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bross

SatelliteGuys Pro
Sep 3, 2008
302
0
New Jersey
Diplexers are frequency filters that only pass high frequencies to one output and low frequencies to the other. In your installation they combine and split the TV2 output and the satellite in signals so only one cable is required to the receiver.

Diplexers usually don't work well with cable modems because they filter out frequencies used by the modems.
 

iwannarock1

SatelliteGuys Pro
Oct 18, 2007
443
10
Stern nation
So are you saying it wouldn't be possible to set up the modem and cable line together?
:up

Exactly. Tech's won't do it because it causes problems for both the internet and the dish signal...If you're moving the modem, have the cable company come out and run a new line :)..

With all the wireless options nowadays, why does it matter where the modem is??:confused:
 
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longshot270

Thread Starter
New Member
Feb 8, 2010
3
0
Durham NC
The main reason is that I use Vonage for phone and it has to plug in to the router, which is upstairs. I want the phone hub downstairs. I realize there are phone with a 2nd receiver which can be placed anywhere; I actually have this style of phone, but my dog chewed up the downstairs phone : (

Other reasons is that I want to plug my xbox directly into the router and not rely on wireless, and because the wireless signal downstairs is not as strong as I feel it should be, and I hoped that bringing the wireless router downstairs, the signal would improve.
 

dishcomm

SatelliteGuys Master
Nov 29, 2005
10,377
540
suburbia
Ok. here's the short short answer...NO!!! Do not do this. It screws with the internet.
Just run a new cable for the modem or the satellite reciver. You pick. WHichever is easier.
 

Charade

SatelliteGuys Pro
Mar 19, 2006
157
0
The main reason is that I use Vonage for phone and it has to plug in to the router, which is upstairs. I want the phone hub downstairs. I realize there are phone with a 2nd receiver which can be placed anywhere; I actually have this style of phone, but my dog chewed up the downstairs phone : (

Other reasons is that I want to plug my xbox directly into the router and not rely on wireless, and because the wireless signal downstairs is not as strong as I feel it should be, and I hoped that bringing the wireless router downstairs, the signal would improve.

Do you have your Vonage adapter plugged into your house phone wiring? That's what I do. The Vonage adapter is right next to the cable modem and router (which is upstairs as well) but there is a phone jack in that room. I disconnected the line coming into the house from the phone company. This way I can have Vonage "serve" all the jacks my house which includes my 612 receiver. I have two phones and the 612 hooked to the Vonage directly via the house wiring and have not had any problems.
 
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