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High quality spliter?

N

nickanderson

Limp Gawd
Joined
Jul 18, 2004
Messages
425
Hello,

I only have 1 cable jack in my house (i know, i know). But unfortunatly that can not change anytime soon. My problem is, when I use a splitter, for 1 to go to my cable modem, and the other the TV, it has alot of problems. And the cable provider always tells me that splitters do not work well for cabe modems, as they cause interrutptions in the signal that can cause data/pack loss, etc.

So my question is, is there any kind of super splitter, maybe powered or something, that works well for this type of application?

Thanks anyone that can help

-- Nick
 
nickanderson said:
Hello,

I only have 1 cable jack in my house (i know, i know). But unfortunatly that can not change anytime soon. My problem is, when I use a splitter, for 1 to go to my cable modem, and the other the TV, it has alot of problems. And the cable provider always tells me that splitters do not work well for cabe modems, as they cause interrutptions in the signal that can cause data/pack loss, etc.

So my question is, is there any kind of super splitter, maybe powered or something, that works well for this type of application?

Thanks anyone that can help

-- Nick
Click to expand...
I use one by MonsterCable, which has Powerpass. What that means, I don't know. But I do know mine works.
 
Everytime you spilt a cable, you drop 3db of power. You must already have a fairly weak signal. I'd call the cable company and tell them to add amplify your line so you can split the signal.

The other option is to buy a cable amp yourself and put it in before the splitter. I've never had to worry about this myself, so I don't know how well this would work. It would be better asked on a more specific board. You might want to try out avsforum.com.
 
Perhaps it depends on the modem itself, but when I was in college the cable guy gave me a generic two-way splitter when I got service and I never had any issues with either the internet or television. I know for a fact that my place now has a three-way splitter in the wall that splits the line right after the drop from the pole into the three co-axial lines that connect to my living room, bed room and office wall-plates. I havent had any issues with it, either.

I could look at the cable-splitter brand for you when I get home, but it's probably a cheapy considering those tightwads at the cable company didnt make a stink about it when they did the install. :D

HTH.

AI.
 
Thanks, ill go to a electronics store and see what i can find. Maybe ill try a monster, i hope its not 1000 bucks :cool:
 
Cable companies work like the phone companies. If you tell them you have weak signal, they will send a guy out and he will plug an analyzer on to the service jack where the line comes in on the outside of your house. If the signal is good there, they woln't do anything, because they consider the wiring inside your house to be your responsibility. They might extend their coverage if they did the installation in your house, but usualy if the loss is on your side of the box, they want to charge you extra to fix it.

If the coax in your house is old, you might need to replace it, as often over time, moisture soaks in around the connectors into the dielectric (the white part) which changes the electrical properties of the cable and cause unwanted attenuation. Usualy this takes 10 or more years to happen, unless it was a realy crappy instalation. This can also happen to the feedline comming off the pole, and is something you might be able to get the cable company to replace. If you want to go replacing wire, I would start with the line from the outside service box to the splitter first, as the part of the wire that is outside and exposed to the weather is the most likely to have had moisture dammage. Several Sites can show you how to make your own cables, generaly the only special tools needed are a stripper (aka a spinner), and a crimper. That and the RJ6 coax and F type connectors are avalible at electronics stores like Fry's and hardware stores like Lows or Home Depot.

An amp before the splitter (or maybe a combined unit) like sandmax suggested might also be the fix. You should ask the cable company what signal band range they use before you go an buy one, as it varries from comapny to company, but typicaly it is 40-50Hz thru 1-2Ghz or more.. be sure to ask about both the transmit and return bandwiths, as you also don't want to attenuate the upload side of the cable modem, or any return transmission signals from the set top box either. Cable companies are generaly secretive about their networks (usualy to keep people from stealing cable) but most good ones will at least provide you with this info if you tell them you want to buy your own amp.

Also, you might see if you can re-locate the cable modem so that its close to the feed from your house, and use as short a pigtail as possible to connect it from the splitter.
 
Few notes for you:

  • Make sure your house is wired RG6 all the way to the curb.
  • Make sure you have a single run of RG6 from the curb to your splitter. Inline couplers are just trouble waiting to happen with moisture, corrosion, etc etc
  • Make sure your splitter is designed for a high enough frequency. Cable modems operate at well above the cable TV frequencies, therefore you need a high frequency splitter. I don't know the exact minimum, but consult your cable company or do some google research
  • If you see a corroded connector anywhere, have it replaced. If its corroded on the outside, its likely the inside doesn't look much better
  • Make sure your outdoor connection at the curb is fully weather insulated. This is especially important during rain season.

I've gone through it all at my house with my cable connection. Had it for ~5-6 years now and I've seen everything.

Good luck.
 
we had a problem at my mom's house.. they guy came out and the first time gave us a tap, instead of splitter.. which supposedly made it so there was no signal loss the the modem, but more to the tv hooked up after it..

eventually we still had problems.. they gave us a different modem, and then they finally they replaced the wire from the pole to the house i think...

find out what these taps are though.. it might work for you...
 
I just looked into it...

Buy a 5-1000 MHz 2way splitter. If you have more TV's that you want to connect then buy a 2 way splitter, then another xWay splitter (where x is the number of TV's you have). Only the single 2 way splitter should be in front of your modem.

If you get interference on your TV's from the cable modem data, put a high pass filter in front of your TV lines to get rid of the cable modem stuff. Do not put the filter in front of the cable modem or you will kill your cable modem signal.
 
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