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General Chat Thread, Quick question about patch leads in General; Is the roof ok?...
  1. #16
    p858snake's Avatar
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    Is the roof ok?

  2. #17
    Pyroman's Avatar
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    both media technician and imanginary squirrel are okay as the tech isn't in today and the squirrel doesn't exist. I had a hard time believing squirrel story when i went up onto the roof and it was a clean cut and 30ft of cable was missing. I know squirrels are athletic but pulling 30ft of cable through a hole in the wall that was coiled and plugged into a switch on the other side of the wall is a bit much to believe.

  3. #18
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    Bet it was this squirrel:

    [ame="http://www.youtube.com/watch?v=aY9GBl7UmVs"]YouTube- Carling Black Label - Mission Impossible (squirrel)[/ame]

    Can't beat the classics!

  4. #19
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    Xover between 2 switches. The ports should auto-MDIX, but why rely on it when you could just use the correct cable in the first place.

  5. #20
    Pyroman's Avatar
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    oh and the switch it was going into had a little button to go from straight to X-over so no worries there. thanks for advice everyone

  6. #21
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    Quote Originally Posted by Hightower View Post
    Auto negotiation has nothing to do with x-over or straight through cables Chunky (AFAIK). Auto negotiation is the process where the switch can determine things like speed and duplex of the link instead of having to set these properties manually.
    I'll think you'll find that speed and duplex depend very much on whether it's a straight or crossover.
    During the auto-negotiation process connections are made between the 2 devices at the highest speed possible by the hardware. If the hardware (inc the cable) aren't capable then the connection will fail.

    The OP asked whether it had to be straight or crossover, and if it mattered.
    If it was a gigabit connection he wanted, then yes, it matters a lot, as Gigabit (on the whole) is not spec'ed to allow a standard crossover cable - though I've seen a cable pin diagram that does work.

    Using a standard crossover cable would cause autonegotiation to drop down to 100meg (full or half).

    Chunks

  7. #22
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    Quote Originally Posted by Chunky View Post
    I'll think you'll find that speed and duplex depend very much on whether it's a straight or crossover.
    During the auto-negotiation process connections are made between the 2 devices at the highest speed possible by the hardware. If the hardware (inc the cable) aren't capable then the connection will fail.

    The OP asked whether it had to be straight or crossover, and if it mattered.
    If it was a gigabit connection he wanted, then yes, it matters a lot, as Gigabit (on the whole) is not spec'ed to allow a standard crossover cable - though I've seen a cable pin diagram that does work.

    Using a standard crossover cable would cause autonegotiation to drop down to 100meg (full or half).

    Chunks
    It is 100meg

  8. #23

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    how long did you have it working on the roof open to the elements?

  9. #24

    sparkeh's Avatar
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    Quote Originally Posted by YorkshireTechie View Post
    how long did you have it working on the roof open to the elements?
    Squirrels are used to working in the outdoors.

  10. #25

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    yeah but has he had his ladder training?

  11. #26
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    the cable has been up there working fine for over 3 years

  12. #27

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    I really, really wish the squirrel part was true

    Though it is almost as funny that they thought that blaming a squirrel was a plausible excuse

  13. #28
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    What alerted you to the fact that it had stopped working?
    Email via Squirrelmail server?


  14. #29
    Batman's Avatar
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    Quote Originally Posted by Chunky View Post
    What alerted you to the fact that it had stopped working?
    Email via Squirrelmail server?

    We use squirrelmail and it's not a laughing matter...

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