Question Connecting a 2nd computer to cable.

[JavaManOne]

My wife is getting a computer from a company for work at home. My desktop is connected directly to an Armstrong Cable modem. Her computer will be at a desk 15-20 ft. away. She must be hard-wired cannot use Wi-Fi.

Currently my computer is the network hub and everything else, TVs, gadgets pick up Wi-Fi all over.

So.....what do I need to run a cable to her computer to go live? Should I call Armstrong first?

Thanks in advance.

Don

 

[USAFRet]

On the back of your "Armstrong Cable Modem"...how many RJ-45 ports are there?
Do you have a link to this specific device?

Given that it also supplies WiFi, it is probably a 'modem+router'.
But verification from you will determine.

 

[AllanGH]

http://armstrongonewire.com/Support/Internet/Articles/ApprovedModems

All of the Arris modems have a single Ethernet port, except for the SB8200, which has 2 Ethernet ports. The netgear modem also has a single Ethernet port.

If you have the Arris SB8200, you only need a CAT5e/CAT6 cable long enough to reach your wife's computer. Plug that cable into the modem, and into your wife's computer. Turn on your wife's computer, and you should be done.

If you have any of the others, you will need a small network switch (like this one: https://www.amazon.com/product/dp/B0000BVYT3 ), one 8 foot CAT5e/CAT6 patch cable, and a CAT5e/CAT6 cable long enough to reach your wife's computer.

You will disconnect your computer from the modem, at the back of your computer, and plug that cable into the far-right connector of the switch. You will plug the patch cable into any of the open connectors on the switch and plug the other end of the cable into your computer. You will then plug the longer cable into an open connector on the switch, and route the cable to your wife's computer and plug that into the network adapter on that computer.

Connect the switch to the power mains, and start both computers, and you should be done.

 

[JavaManOne]

On the back of your "Armstrong Cable Modem"...how many RJ-45 ports are there?
Do you have a link to this specific device?

Given that it also supplies WiFi, it is probably a 'modem+router'.
But verification from you will determine.

The model is Arris DG240A

 

[JavaManOne]

http://armstrongonewire.com/Support/Internet/Articles/ApprovedModems

All of the Arris modems have a single Ethernet port, except for the SB8200, which has 2 Ethernet ports. The netgear modem also has a single Ethernet port.

If you have the Arris SB8200, you only need a CAT5e/CAT6 cable long enough to reach your wife's computer. Plug that cable into the modem, and into your wife's computer. Turn on your wife's computer, and you should be done.

If you have any of the others, you will need a small network switch (like this one: https://www.amazon.com/product/dp/B0000BVYT3 ), one 8 foot CAT5e/CAT6 patch cable, and a CAT5e/CAT6 cable long enough to reach your wife's computer.

You will disconnect your computer from the modem, at the back of your computer, and plug that cable into the far-right connector of the switch. You will plug the patch cable into any of the open connectors on the switch and plug the other end of the cable into your computer. You will then plug the longer cable into an open connector on the switch, and route the cable to your wife's computer and plug that into the network adapter on that computer.

Connect the switch to the power mains, and start both computers, and you should be done.

It's an Arris DG2470A

 

[AllanGH]

It's an Arris DG2470A

With the Arris DG2470A, you only need a CAT5e/CAT6 cable long enough to reach your wife's computer. Plug that cable into the modem, and into your wife's computer. Turn on your wife's computer, and you should be done.

 

[OldSurferDude]

The link you provided describes a device with 4 ethernet ports and WiFi. There are devices like the TP-Link 150 Mbps Wilrelss N Nano Router (mn TL-WR702N) that you can configure to be a client connected via WiFi to the Arris DG2470A. Then you connect an ethernet cable from this little box to your wife's computer's ethernet port. The computer thinks it's hardwired connected. (The power for this little box can be run from an unused USB port)

But, your wife's company may have security concerns. These concerns are real and should be respected. Thus, the only option is to run the cable, plug into one of the ports on the back of your Arris DG2470A and shut off its WiFi.