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Questions tagged [coaxial]

Coaxial (pron. "co-axial") is a cabling technology commonly used to transmit television signals and is referred to as "cable". Use for questions about the physical medium itself.

42 questions
20
votes
4 answers

How can I use coaxial cable for ethernet

My office is a converted garage about 30 feet from my house. I have a coaxial cable already running from my house to the office. I want to attach a Ethernet cable from my DSL modem, in my office, to a computer in my house. Since I already have…
David Hill
  • 309
14
votes
10 answers

"Modern" Ethernet over coax

So, I've just bought a house. It's reasonably new - built in the early '00s. One of the features that got built in was a cable TV drop in every room. The cabling is gorgeous - there's even a wiring cabinet of sorts in a closet where the cables…
Electrons_Ahoy
  • 2,611
13
votes
5 answers

What is the cable that runs from the cable modem to a wall outlet

I was wondering what type of cable runs from the modem to the wall outlet in my house? Is it a coaxial cable? I'm very confused by what I've read around the internet. There seem to be many variations. Some talk of HFC and others just refer to copper…
user447436
8
votes
2 answers

Why is my internet speed slowing by 10x when using this coax cable and splitter setup?

Equipment list: Modem/router: Netgear C6220 Splitter: GE Digital 2-Way Coaxial Cable Splitter, 2.5 GHz 5-2500 MHz Coax cables on output ports: 2 x Monoprice RG6 Quad Shield CL2 Cable 1.5 ft When I try speed test with this setup, I get ~30 Mbps…
hazrmard
  • 327
8
votes
5 answers

Number of Splitters on Coaxial Connection and Cable Internet Quality of Service

Does running multiple coaxial splitters on a single coaxial cable line effect quality of service for cable internet connections? Suppose there are 2-4 splitters between the cable line coming into a building before the connection to a cable modem,…
Matthew Ruston
  • 1,149
7
votes
1 answer

How do (unamplified) coax splitters affect signal strength?

This question is related to MoCA networks (or even cable TV). I understand that an unamplified 2-way coax splitter only provides 50% of signal to each cable. What happens if I use a 3-way splitter, but only connect two output cables (the third…
BobDoolittle
  • 357
5
votes
2 answers

MoCa from scratch

I want to extend an ethernet LAN in a structure wired with coax. I understand that MoCA would be a good option. Before I purchase equipment I would like to know exactly what I'll need. I am having trouble understanding from the documentation…
taz
  • 255
5
votes
3 answers

Can I switch my modem over to any other coaxial entry point in the house?

Can I switch my modem over to any other coaxial entry point in the house? Or does each jack have to be set up by an engineer sent over by my ISP. I'm a bit afraid to just try it, in case connecting to an "unknown" coaxial jack could alter or reset…
Andrew Cheong
  • 1,818
4
votes
1 answer

Does MoCA have to be on the same coax line?

Recently I have been wanting to install MoCA adapters. I am wondering if point A and point B have to be on the same coax line? I have a splitter in my family room that is connected to my modem/router and connected to my TV box. I have another huge…
George
  • 41
3
votes
3 answers

Is a cable modem registered to a CMTS or the entire ISP?

I am curious if I were to move, do you have to tell your ISP, in this case my cable company, that I am moving? Is the cable modem MAC restricted to a certain CMTS, or could I use any CMTS belonging to my ISP? EDIT: I am interested in whether or not…
user169282
3
votes
1 answer

Is one ent conduit sufficient for cabling two side by side rooms?

I am having a house built and am paying to have a contractor run low voltage conduit from every room in the house to a home network closet under the basement stairs. In an attempt to cut back on cost I am wondering if it is reasonable to have him…
person0
  • 133
2
votes
3 answers

Internet and Satellite sharing same coax

I have searched for this question online and I've seen a variety of answers, most of which are non-technical and simply this is a bad idea and I would never do this without any rational to back it up. I am looking for a concrete technical reason…
user169282
2
votes
4 answers

internet data through copper cable resistance impedance, diameter, skin effect, standing waves

Would someone explain whether using two pairs (four cables) stripped out of CAT 5, as opposed to one pair (2 single cables) for DSL connection, (from the box on the house to home, essentially replacing old CAT 3) would be better? In other words, if…
ra170
  • 754
1
vote
0 answers

Cable modem drops connection upstream - why?

I have internet via coaxial cable (aka cable TV). The cable modem is of type Netgear CG3000. (comes from the ISP). The connection is of type DOCSIS 3.0. About a year ago the cable TV guys went through my home and replaced cables and other components…
thisisfun
  • 503
1
vote
1 answer

Surge Protection with modem

I have a UPS between my PC and the wall, this also has input and output called Cable/Video Surge Protection. So the only potential damage path is the modem to the router to my computer through ethernet. So I was wondering if I were to put the…
Aaron
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