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Distance from modem to computer

I want to wire in a computer and connect to Comcast by an RCA cable modem about 80 feet from the modem, but don't get a signal. I have checked all the wires in my Cat5 cable for continuity and shorts. I have removed and reapplied the RJ45 connects several times, and the wires are installed in the correct order. The cat5 cable doesn't run by any fluorescent lights or electric wires that were carrying current when I tried to connect. Is this distance 80 feet too far between the modem and the computer? If not, what could possibly be the problem? Better yet, what is the solution?

I really don't want to go to a wireless modem for a desktop computer.
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ryashinsky
Asked:
ryashinsky
1 Solution
 
GaneshACommented:
U can use repeaters for CAT 5 cable in case u need this connectivity.
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kiranghagCommented:
which kind of cable u are using...make sure that the cable is made by connecting right pins...
i guess u'll need straight thru cable on whihch pin 1 goes to pin 1 and so...
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kiranghagCommented:
80 feet is i guess around 24 mts...thats not tooo long..
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dansotoCommented:
how about the NIC?  Do we know for sure the Network Card is working?

- dan soto -
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stevenlewisCommented:
Cat5 specs are 100 meters (about 300 feet) so you are well within that
make sure you are using
CAT 5 Cable Pairs Color Code                  

  Pair 1      Blue                       White/Blue

  Pair 2      White/Orange        Orange

  Pair 3    White/Green            Green

  Pair 4    White/Brown            Brown

           

Side 1                                               Side 2

Pin                                                            Pin      

1*   White/Orange                                       1 *         White/Orange

2*   Orange                                                 2 *         Orange        

3*   White/Green                                         3 *         White/Green

4     Blue                                                     4          Blue            

5     White/Blue                                           5          White/Blue

6*   Green                                                   6   *       Green        

7     White/Brown                                        7          White/Brown

8      Brown                                                  8          Brown        

 * These are the cables that carry the signals.
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stevenlewisCommented:
also try forcing the NIC to 10mbit, full duplex, or even half duplex
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ryashinsky:
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juliancrawfordCommented:
No comment has been added lately, so it's time to clean up this TA.
I will leave the following recommendation for this question in the Cleanup topic area:

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