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Brother 2700CN Color Laserwriter--Loss of Ethernet Connection

The Brother 2700CN can be networked by a twisted pair Ethernet cable, USB Shared Printing as well as a Parallel port. Ethernet is favorable but it appears the Ethernet port is malfunctioning. The cable is fine as it works for other components. The green lights on the the printer and the Hub no longer come on when connected.The Ethernet connection was working up until a couple days ago. I am currenting using the USB connection and sharing the connection on the network. Any suggestions are appreciated.

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No lights on network card mean that you will need to replace network port/card on printer if cable and connection is sound

Posted on Nov 28, 2007

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What is a network extender?


Wikipedia says: An Ethernet extender (also network extender or LAN extender) is any device used to extend an Ethernet or network segment beyond its inherent distance limitation which is approximately 100 metres (330 ft) for most common forms of twisted pair Ethernet. These devices employ a variety of transmission technologies and physical media (wireless, copper wire, fiber-optic cable, coaxial cable).

Feb 14, 2013 | Computers & Internet

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Set up a home office LAN which access internet through USB wireless gadget


The following networking job I have done in this Lab. It is enough for a small office to access or transfer file Printing and access of shared Internet in different type of operating system.

We have recently set up a home office (small laboratory) LAN. All the computers access the internet through a USB wireless (CMDA) dongle. The USB stick is Huawei EC168C and internet service provider is Reliance Infocom (India). But any USB internet dongle can be use to share internet in a LAN in the following way. And you don't need a router for that. In the areas where ISP cannot give wire line internet connection this type of USB wireless sticks are really helpful for home office.


Basic LAN Connection:

Here this lab has 4 PCs. One Windows XP, another Windows Vista starter and two RedHat Linux server systems. Here in this lab I have done the basic LAN connection using cat5 cable & RJ45 connector and an 8 port hub. I have connect the two windows based OS. Using cross cable I have connected two windows system with the hub. Then I put static IP address in Ipv4 of TCP/IP. After that I set workgroup name to join in a workgroup in windows PCs. Then I tried to ping the systems, and it was pinging. Then I have setup a home or small office network in both windows system. That I have enabled the Printer sharing. After that I can share file, data and printer through the system gateway.

Now I have to connect other two Linux PCs in this network. With same cross cable I have joined the both Linux system with the hub. Then to detect the Ethernet device I have put down "DEVICE=eth0" entry in /etc/sysconfig/network-scripts/ifcfg-eth0 file. Then I set IP address in Ethernet device in network configuration in graphical mode (or System-config-network in text mode).After doing this job I restart the network service with "service network restart" command. Then I am trying to ping the systems to one another, And It was pinging.

Now Linux system can access with each other and files also shared through SSH, Telnet,FTP using process and command.

Linux Configuration:

I have configured the Linux system in the following way. First I have set the host name in /etc/sysconfig/network file by VI editor. Next I have edit /etc/sysconfig/network-scripts/ifcfg-eth0 file with "Device=eth0" to detect the Ethernet device. After that I have put the IP add in network configuration file and Restart the network service. To keep the eth0 on permanently I also use the chkconfig command.

After doing this job File sharing can be possible through network file sharing (Nfs). I have install Nfs package & shared the nfs dir by editing exports file. Then I am trying to automount the NFS dir by automounting process. So that I put automounting entry of nfs file in fstab file. After that it's automounted in other system's mount location.

Windows & Linux Networking:

Through basic LAN both OS can only ping each other. To share file or data samba server (a client server in Linux) must be configured in Linux system. So I Install smb rpm package from yum repository. Then I have Configure the samba/smb.conf file. I put the Workgroup name on Workgroup column of samba/smb.conf file. Then I Set the network IP without host to route in network in Host allow column. At last I put down all details of Samba dir, users at the end of the configuration file set the samba password. After that I restart the samba demon to up the samba server. Now files can shared through samba server. In windows I Set the workgroup name pairs with samba server and also set username and password same as samba server. Now I trying to send or access file through samba in both OS and it happened.

USB Net Connect:

Here in this lab workers are use internet from an Usb net connect. So it must be shared in Network. It is too fast so shared internet can be access easily. In Windows XP system I connect the USB netconnect & share it in network. IF all the network setting is ok then all the systems can access shared internet through gateway. Here all users use this shared internet now.

Access of Another System:
VNC Server & Viewer is software through which we can access of another system easily. I just install the software & set the password. Then I run the vnc server. After that I Put the IP add of vncserver from vncviewer of another system and type the password & start access the vnc server system. It can be access form WAN also. I just Run the Vnc server and connect the internet and I got a Wan IP add provided by ISP.

on Jan 12, 2011 | Network Computing Devices (NSH800S/A)...

1 Answer

What network cable does a belkin N600 use RJ11or RJ12


Look again. Those "RJ11/RJ12" are not 2-pair/3-pair small Telco jacks but rather the 4-pair lager size found in Telco data com circuits (ancient DS0/T1 technology) and commonly now for Ethernet often referred as Local Area Network, LAN, data communications at 10 up to 1000 Mbps.
An RJ45 is larger and can not fit into an RJ11/RJ12 jack. The smaller RJ11/RJ11 will insert and make contact with the inner pins but if the line is active the Belkin device now has/will have a blown port. Don't!

Your Belkin N600 expects one Ethernet cable from a cable or DSL modem into the WAN or Internet port on the Belkin N600 for link through your carrier to Internet.

A four port gang of Ethernet RJ45 plugs is also present and is where your in-house PCs and Ethernet peripherals plug in. On the OEM website usually there is a colored quick setup guide to help you.

Some OEMs designate a yellow Ethernet wire from cable/DSL/satellite modem to WAN port and blue for internal LAN devices to try to reinforce outside verses after the NAT firewall inside the router for your internal LAN. The signal doesn't care about color it's for you.

The internally generated WiFi or WLAN (wireless LAN) is part of the LAN side but allows WiFi radio connection to client devices.


The 4-pair Ethernet cables have 8 conductors wIth the wire end of the plug to you and the contacts held upwards you will note the four pairs and their colors blue, orange, green and brown each with one conductor of the pair white with the color and then the color solid or more correctly the color with white stripe. Signals are on pins (left to right) 1&2, 3&6. On standard cable both ends are the same - a straight through, for hub to client. A cross-over cable takes 1&2 to 3 &6 on the opposite end and vice versa. This was for client to client or hub to hub connections before auto-sensing ports showed up to make the signals swap if needed automatically found in most equipment today. Some cables from OEMs have the correct physical size and pinouts, but only use the 2 signaling pairs. It is best to use these short distances and preferably away from rf noise like in modem to WAN port connections.

The twists per inch in the cable and interweave determines frequency response which defines CAT 3, CAT5, CAT5e and CAT6 level of Ethernet cables. CAT5 is fine else CAT5e/CAT6. CAT3 is generally considered now for telco use only, but can be pressed into into service short haul. (Won't get the 328 ft rated reliably above 10baseT speeds).

You may run across Ethernet with PoE this means on unused pairs a device like a video camera is fed power as well as data connectivity over its Ethernet connection. Follow directions to put power to the correct location as needed and look for any recommended grounding requirements, especially with antennas.

Prices vary widely depending upon bubble packaging and the store overhead generally $6-$12 for about 6 ft or 2 m.

If you want to make your own then RTFM and understand millage may vary until you get the right tools and parts and practice while adhering to standards. I find it more cost effective to use pre-made & tested cables except if failure at an end then I repair followed by testing to re-qualify the cable to not degrade its use.


OBTW - Generally the USB was for single computer use at lower speeds of earlier service speeds below 3-6 Mbps - usually don't.

Aug 27, 2012 | Belkin N600 DB Wireless Dual Band N Router

2 Answers

How do i use my samsung c5212 as a modem to pc and to connect to internet.


Follow the below mentioned steps : 1. Connect the Samsung cell phone and computer. If you are connecting via USB, connect one end of the USB cable to your Samsung phone and the other end to your computer. It may take a few seconds for the proper drivers for the Samsung phone to install. If pairing via Bluetooth, make sure Bluetooth is enabled on your Samsung phone and start a search for devices on your Bluetooth-enabled computer by right-clicking the Bluetooth icon in your taskbar.
2 Launch Internet Sharing, found in the Start menu on your Samsung cell phone. Open the application.
3 Configure Internet Sharing. The status menu should read "Disconnected." Under the PC Connection setting, select the method you will use to connect your cell phone to the computer--USB and Bluetooth PAN are the choices. You shouldn't need to change anything under Network Connection, unless a network other than is showing on the display.
4 Start the Internet Sharing connection. On your Samsung device, press the Connect soft key. It may take up to 30 seconds for the connection to be negotiated, during which the status line may say "Check USB cable connection"; this is normal.
5 Connect the computer to the Internet sharing phone. If your computer and phone are paired via USB, no further pairing is needed. You will see the shared Internet connection as a wired connection in your Network and Sharing control panel on the computer. If you are connected to the Internet Sharing application via a Bluetooth personal area network, the computer must be synced to the phone. Right-click on the Bluetooth icon in the taskbar and select "Connect to a PAN" or similar, based on the version of Windows you are using. A list of all Bluetooth PAN connections within range is shown; select your Samsung phone. The PAN connection will be negotiated, and the Internet connection will be shared.

May 14, 2011 | Cell Phones

1 Answer

I need to use this phone as a modem for internet. How?


  • Connect the Samsung cell phone and computer. If you are connecting via USB, connect one end of the USB cable to your Samsung phone and the other end to your computer. It may take a few seconds for the proper drivers for the AT&T Samsung phone to install. If pairing via Bluetooth, make sure Bluetooth is enabled on your Samsung phone and start a search for devices on your Bluetooth-enabled computer by right-clicking the Bluetooth icon in your taskbar.
  • Launch Internet Sharing, found in the Start menu on your AT&T Samsung cell phone. Open the application.
  • Configure Internet Sharing. The status menu should read "Disconnected." Under the PC Connection setting, select the method you will use to connect your cell phone to the computer--USB and Bluetooth PAN are the choices. You shouldn't need to change anything under Network Connection, unless a network other than AT&T is showing on the display.
  • Start the Internet Sharing connection. On your AT&T Samsung device, press the Connect soft key. It may take up to 30 seconds for the connection to be negotiated, during which the status line may say "Check USB cable connection"; this is normal.
  • Connect the computer to the Internet sharing phone. If your computer and phone are paired via USB, no further pairing is needed. You will see the shared Internet connection as a wired connection in your Network and Sharing control panel on the computer. If you are connected to the Internet Sharing application via a Bluetooth personal area network, the computer must be synced to the phone. Right-click on the Bluetooth icon in the taskbar and select "Connect to a PAN" or similar, based on the version of Windows you are using. A list of all Bluetooth PAN connections within range is shown; select your AT&T Samsung phone. The PAN connection will be negotiated, and the Internet connection will be shared.

Feb 04, 2011 | Samsung SGHE250i Cell Phone

1 Answer

Usb broadband modem


Im not aware of any gadgets, but you can always use the USB stick on one laptop, share the internet connection, and connect the other laptop throught the shared connection.

That would require your laptops to be networked, either by a crossed cat cable or with regular switching or routing.

Feb 02, 2009 | Sabrent USB 2.0 NT-USB20 Ethernet Adapter

2 Answers

What is UTP CAT 5e cabel?


This 1000 foot, spool-boxed roll of grey Cat5e bulk cable is a must-have for extensive networking. This unterminated and UTP (unshielded twisted pair) cable is perfect for a plethora of networking applications.
Cat-5e, enhanced Cat-5 cable, is the standard for modern networking - enabled for far end crosstalk and compliant with up to 1000BASE-T standards. This unshielded cable comes in its own spool box and is connector free, giving the user the freedom to customize the length, wiring, and application.
This cable is 1000 feet long and are marked at every foot (marked 0001 - 1000 at each foot).
Wire the cable as either a patch or a crossover cable, use it for Ethernet or any other data transfer applications. Sewell Direct works hard to bring you affordable Cat5e bulk cable solutions.

Jan 13, 2009 | Intellinet Active Networking CAT5e UTP...

1 Answer

Dynamode ht809stp


just plug the power connection
and connect the network cables. and restart the computer.

Summary for Dynamode (HT809STP)
Dynamode products have earned a worldwide reputation for quality. The Dynamode hubs products utilize state-of-the-art design and ASIC-base hardware for high reliability.Dynamode offers the 8-port Ethernet Hub which, in compliance with IEEE 802.3 10 BASE-T standard, is a multi port repeater used in the twisted pair Ethernet Network. Featuring 8 RJ-45 twisted pair ports for twisted pair wiring, one AUI port for thick cabling and one BNC port for thin cabling, it allows to connect up to 8 devices (such as twisted pair Ethernet card), an Ethernet Transceiver and a Tee connector.

Sep 16, 2008 | Dynamode (HT809STP) Networking Hub

1 Answer

Ethernet cable


568-B Wiring
Pair Wires RJ-45 pins
1-White/Blue White/Blue 5
Blue/White 4
2-Wht./Orange White/Orange 1
Orange White 2
3-White/Green White/Green 3
Green/White 6
4-White/Brown White/Brown 7
Brown/White 8
568-A Wiring
1-White/Blue White/Blue 5
Blue/White 4
2-White/Green White/Green 1
Green/White 2
3-White/Orange White/Orange 3
Orange/White 6
4-White/Brown White/Brown 7
Brown/White 8
RJ-45 Pins are with the spring tab down and read left to right. Do you have an RJ-45 Crimping tool?
Just use 568-B or 568-A on both ends of the same cable.

Jul 05, 2008 | Computers & Internet

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