Does the Ethernet port uses and RJ-45socket to connect a laptop to a standard telephone line?

No, RJ45 is only used for ethernet connections and can be used between your computer and any networked device, such as a cable modem or a network hub.

No it needs an ethernet cable connection to an internet service

Maybe the ethernet cable is not your problem. Ethernet cables are available everywhere and they all should work for the PS3, PC, router, modem, etc. ethernet ports are one way and are either in or out. The spot on back of the PS3 to connect an ethernet is a standard size and is meant to connect to a modem or a router or it will not work.

You need to connect a modem using the modem port and the telephone cable.

An RJ-11 connector is used to connect a 2- or 4-wire from an analog modem to a telephone jack.

No. You need to connect the ethernet cable to a modem or router. You can disconnect the PC ethernet cable from the modem and connect an ethernet cable from the Xbox 360 to the modem until you purchase a router.

With an ethernet cable. (male)

Use the Ethernet Port (The MacBook Air dose not have a Ethernet Port)

The connection allowing a computer to connect to the internet and "surf the web" is typically ethernet. Older computers, however, may rely on a telephone modem and subsequent telephone line.

To connect a telephone to the telephone port of your computer, use a telephone jack.

Connect a CAT5 ethernet cable that runs from the Wii to an available Ethernet jack or to your home router and enter your IP Address into the Wii's settings.

You can use a switch to connect different pieces of equipment. For example, a standard ADSL router only has a port for a single Ethernet cable. If you want to connect 2 or more computers to the Internet, you can use a switch. In this case, the ADSL router and each computer connect to the switch, via a standard Ethernet cable. If you don't have an Internet connection, you can still set up a home…

1) connect the ip phone to the ethernet LAN using an rj45 connector 2) establish an internet connection then use an analog telephone adapter.

You have to have a Ethernet or Wireless card in your PC, then you can connect via Ethernet cable or wireless.

You are supposed to connect an ethernet cable from the modem to whatever device that needs an online connection and if you have 2 or more items connect the router to the modem with an ethernet cable and then connect the devices to the router with ethernet cables