10base5 (Thick) Terminator ?

[Tom Peters]

This is classic frozen yellow garden hose- typical yellow jacket. So not 
teflon, probably. I suppose if I inspect it closely I might find the old 
classifications: CMP for plenum, CMR for riser, CM for neither, right?

At 11:41 PM 3/31/2005 +0100, you wrote:
>On Apr 1 2005,  0:11, Jochen Kunz wrote:
> > On Thu, 31 Mar 2005 14:38:07 -0600
>
> > AFAIK thick Ethernet cable is more or less RG213. Typical values are
>8
> > dB / 100 m attenuation at 150 MHz and 15 dB / 100 m at 450 MHz and a
> > velocity factor of 0.66.
>
>Too slow.  The velocity factor for thick Ethernet is supposed to be
>around 0.78.  You can use RG213 or even RG8 but the maximum size of
>your network would be slightly shorter, to allow for slightly longer
>round-trip delays.
>
> > Ahh, and keep in mind that these cables usually are not UV resistent,
>so
> > sun light will destroy the outer jacket! Cover the cable if used
> > outside to avoid direct sun light.
>
>I believe you can (could) get plenum-rated cable that has a Teflon
>outer instead of PVC.  Teflon is resistant to UV.
>
>--
>Pete                                            Peter Turnbull
>                                                 Network Manager
>                                                 University of York


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