Help for Home LAN Cabling
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Posted by Paul Matthews on December 19, 1999 at 10:27:02:
I have a small Ethernet (10 Base-T) LAN in my home office. I have used it for years. I have a Netgear RT-328 ISDN router and a Bay Networks Model 800 hub, with a Unix box and several NT boxes. My house has several floors, and I will be incapacitated by surgery next week for several weeks. I do not have a patch panel with segments going upstairs, so I had an electrician install a straight-through cable segment from my Living Room/Office to the bedroom upstairs. It has Radio Shack RJ-45 outlets at each end. The cable apparently tested okay when he installed it. When I plug my laptop into the socket upstairs with a short (about 6') patch cable and a patch cable at the hub to the other socket, I get a green light on my 3Com PCMCIA adapter that indicates a 10 MbPS connection. However, TCP/IP fails. Nothing actually connects to the Internet, so I can't do any work at my office. When I made a 50' patch cable and ran it upstairs, it works fine. Of course there are fewer segments between the laptop and the hub. I also connected the 50' cable into the upstairs socket and then connected a short patch cable into the living room socket; the cable tester indicates the electrician's cable is okay. Suggestions to make the custom cable work? Do I need some kind of repeater? I don't understand why this won't work if the tester indicates correct pinout. I guess I can live with a cable strung up the stairs for a few weeks, but it is hazardous, and I would like to get this fixed properly. Do I need to install a patch panel and expensive switches? Thank you for any suggestions. Best regards,
Paul Matthews Senior Consulting Engineer (Obviously NOT in LAN Cabling)
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