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Problem in Network Browsing

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11 replies

by jtpaderes

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I have a small network of about 15 Pc's, using D-LINK 10/100 mbps LAN Card and a lot of UTP Cable using RG-45 Connector. Lately I used a 10 mbps HUB and I have no problem 'bout that, but when I bought a SureCom 100 mbps Switch, I have this flashing object when I used to browse my network and other workstation has a defficulties to be seen in the Network neighborhood. Other experts say that maybe on my cable construction, they said that its defferent when you are using a 100 mbps Swicht than 10 mpbs HUB, and I beleived in that, my problem now is, is there anybody here who can give me a particular site of can send me a picture if what is the right pair of wire to be crimp to the UTP connector slots, or in general, can anybody SHOW me the right cabling construction..

Thanks a lot guys.

11 replies

by saihib

I've never heard of needing different cabling when going from a hub to a switch unless the people you talked to were referring to a crossover cable. Standard RJ45s are done like this:
Pin1 orange/white
Pin2 orange
Pin3 green/white
Pin4 bluePin5 blue/white
Pin6 green
Pin7 brown/white
Pin8 brown

Technically, it doesn"t matter what color represents which pin just as long as every connector is done the same way.

by jtpaderes

thanks saihib, i follow your cable construction and I observed that it lessen the problem. THANKS...

by grey_woolf

Saihib is correct with the pin/wiring.
10BaseT and 100BaseT use the exact same wiring schema. But 10BaseT was more forgiving because of the small amount of electricity sent over the wires. 100BaseT needs the additional wire cross-overs provided by the correct pin/wire schema.

by gary mcp

Both the above answers are correct, but just in case you need to create a crossover cable, what you have to do is swap the orange and green pairs.

Hope this helps,
Gary

by rob

don't forget about your advanced nic settings, you may have the switch to run on say full duplex mode and some of the NIC to run at half duplex or vice versa. if you haven't accessed the switch config it would proberly be running at full duplex. most cards can auto sense this but sometimes they need to be set,
rgds
rob

by inxale

You didn't say what Category cable you are using.
You haven't said how far the workstations are?
Are you running cables outside?
Check these
1.. That the correct pairs are being used
2.. Your NIC are either set to 10 Meg or autosensing 10 Meg so problem never noticed.
4.. 100 Meg needs CAT 5. Can't quite remember 10 Meg , I think its CAT 2. But thats by the by
5.. Yes , x-over could be required
6.. You are limited to 100 metres , though switch to switch you can go 140 metres. How far are you trying to push the circuit.
7.. Place a hub at the remote end of the Surecom to simulate an amplifier. If this works , its cable problem
Rgds

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