I support about 25 3102 phones. We often have a problem of the phone not connecting. I seems that the RJ 45 port just dies or something. Is there any think I can do to fix the RJ 45 ports on these phones? Like soder in a new one?
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Please add a comment with your router model number and the type of network service that you have.
Most routers need to be connected to a modem that connects to the outside line. (Depending on your service, this could be a DSL or cable modem or a unit that connects to a phone.)
For a wired incoming network: You connect your RJ-11 (phone cable) to the appropriate-sized port on the modem. Then connect a RJ-45 cable between the modem and your router. Then connect any wired devices via additional RJ-45 cables (many routers include a four port switch). A few have a USB connection option for one computer; most with USB ports have the other type of USB connection for sharing a hard drive or printer. Use one wired connection to set up the router, including your encryption and password to secure your wireless network. (For some ISPs, you'll need to do some extra setup, including programming your username and password. This is usually not needed for DHCP connections, where the IP address is dynamically generated.) Finally, use the encryption protocol and password to set up the wireless network on your wireless devices. (Under Windows, go to the Windows Network control panel and choose Add New Network. For other wireless devices, you'll need to find a similar setting.)
There are a few modem/router combination units. However, those are less common. They will have both the RJ-11 and RJ-45 ports. This is for wired networks. For the devices that let you share your cell phone's network, you will probably see a USB port of some type on the unit.
Before you change anything - is this a new device you are hooking up or had this thing worked in the past? First thing to do is reboot everything starting with the modem and ending with the computer at the end of the line. Wait at least 30 seconds between each device. Review all the connections - everything plugged in where it should be? (this is of course your question - see more below).
Eithernet connections (plugs) are RJ-45. The RJ-45 looks like a RJ-11 (telephone jack) only bigger. Typically, the RJ-45 will not fit into the RJ-11 AND SHOULD NOT. Why? Your Cat 5 eithernet runs on very low voltage and signal (packet switching). If you succedssfully get the RJ-45 CAT 5 cable into the RJ-11 phone jack, when the phone rings, you will be sending 60 volts into your network. Can you spell "Do I smell smoke?" A RJ-11 will have up to 6 wires (one pair or two pair or three pair) in the jack and up to 6 'buds' on the RJ-11 plug. A RJ-45 will have 8 wires (in the jack) and 8 'buds' on the plug of your cat 5.
Your device may say DSL on the Cat 5 connection - count the wires inside or the jack.
There are other Cat 5 connection types, punch down and terminal screw types, I dont think you are talking about either.
On your AT&T modem, you should find a RJ-11 which will attach to a near by telephone jack and a RJ-45 for your Cat 5 cable. Your modem may also serve as a router and as such would have additional RJ-45 ports. I suspect you are using a separate router for your home network. As such, one of the ports on the router should be marked Internet or Upload or maybe it is a special color or is set aside from the other ports. That special port will be connected to your modem and your other computers will use the other, lesser ports.
Of course, you could call your service provider for clarification also.
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Some RJ 45 jack cable has fault so try with another RJ 45 jack cable ..
Purchase new rj 45 jack cable from nearest computer shop.
There must be 2 port on modem 1 for ADSL phone line cable and otthr for LAN ethernet port means RJ 45 jack port.
Try with another rj 45 jack cable it should be connect.Make sure that LAN port of modem is not faulty means make sure pins on that port are not break.
Let me know if you need further assistance.
Thanks for using FixYa.
Is this XP or Vista or 7? You are silent as to the OS, the computer and the router - making it difficult to narrow down the possibilities.
Have you run the wizard to setup a home of small office network?
Have your run your router's software?
Have you indeed connected your computer to your router using 8 conductor Cat 5 ethernet wire?
You are pluged into a RJ-45 outlet in your computer not the RJ-11 modem connection?
RJ-11 with telephone wire will fit into a RJ-45 outlet but it will not work.
Be advised that if you plug a phone wire into your NIC (Network Interfact Card) and the other end into your telephone jack, when the phone rings, that wire will shoot 60 volts into your computer ... there will be the smell of fried components, the sound of gnashing teeth and the sound of a sash register in your future..
You are probably looking at a RJ-11, used for telephone (dial up - modem). You are trying to put a RJ-45 connector in it.
The RJ-45 should have 8 wires while the RJ-11 may have as many as 6 connectors.
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Note: If you were to plug a RJ-11 into a RJ-45 port and if it happened that you plugged the other end of the phone cord (RJ-11) into a phone jack --- and the phone were to ring ... you would be pumping 60 volts into your computer. Be very careful with these connections. You would then need butter and jelly for your toast, which is what your computer would be.
Ok - recap: Both look very similar ...
Ethernet = 8 conductors - RJ-45
Telephone = up to 6 wires (may be 2 or 4 also) - RJ-11. NOT interchangable.
So how will you connect? If the laptop is not builltin wireless, you can get a PCMIA card for the slot on the side that will allow wireless or ethernet. Get the card at your computer store. ... Or ... use the built in modem for dialup., You would of course need a dialup account somewhere.
What are you doing? Are we talking about telephones (RJ-11) or are we talking about routers and ethernet cable (RJ-45)?????
RJ-11 will fit into a RJ-45 but a RJ-45 will not fit into a RJ-11. Translation, your telephone wire will plug into your router/computer port but your Ethernet wire will not fit into your telephone jack.
If you are working on a telephone, as long as you have dial tone on the other end, it doesn't make a big difference. You should have a polarity checker to insure proper polarity but even if it is wrong, most phones will work most of the time. Get a polarity checker at Radio Shack for about $10.00
If you are working on a router ... well, it is no wonder your network will not work. You cannot split one RJ-45 port into two "Ports" using a telephone RJ-11 splitter. Never, Never, Never, plug your router cable into a telephone jack (RJ-11). Yea, Yea, Yea, I know, I just said a RJ-45 will not fit into a RJ-11 but if you have a telephone cord pluged into the router, guess what, 60 Volts will smoke it. When the phone rings, it rings with 60+ volts and will smoke any computer device it can smoke looking for ground.
If you need more computer ports, get a bigger router or bigger switch or bigger hub or get a wireless router to accomodate your wireless devices.
This is the most common network configuration and is also the easiest to setup.
Step #1: Plug your network cable(RJ-45 cable) that comes from your
cable/DSL modem into the uplink port of your hub. (Make sure that your
uplink is switched to "on").
Step #2: Take an RJ-45 cable and run it from one of the ports of
the hub, directly to the Network Interface Card (NIC) installed in your
Step #3: Take another RJ-45 cable and run it from a different port of your hub directly to your xbox.
**NOTE** A switch may be used in place of a hub with the same basic setup.**
That's it! No other network changes should be needed for this configuration. Your Xbox is now on the same network as your PC.
Xbox Network Connection using Router
This is another common network configuration.
Step #1: Plug your network cable(RJ-45 cable) that comes from your modem into the WAN port of your router.
Step #2: Take an RJ-45 cable and run it from one of the ports of
the router, directly to the Network Interface Card (NIC) installed in
Step #3: Take another RJ-45 cable and run it from a different port of your router directly to your xbox.
**NOTE** In steps #2 and #3, you should not use a port that is
directly beside the "uplink" port on your router, if your uplink port
is being used to connect to another routing device.** If your router
has a built in firewall, you will need to forward ports 8602 both
incoming and outgoing to the internal ip address of your pc. Consult
your device manaul for port forwarding.
That's it! Your Xbox is now on the same network as your PC
Xbox Network Connection using Crossover Cable
This is the last network configuration. For this setup you need at least one NIC card.
Step #1: Plug your USB cable that comes from your modem into your
PC's USB port. This should already be done, if you have a usb modem for
your current internet connection.
Step #2: Take an RJ-45 cable and run it from an installed NIC card on your PC, directly to the Xbox.