DEC BC09J cable

From: Pete Turnbull <pete_at_dunnington.u-net.com>
Date: Thu Feb 28 13:42:50 2002

On Feb 28, 12:26, William S. wrote:
> By shielded do you mean CAT5 cable? I was planning on
> using that. Speaking of which, is there a proper
> color to use? ie) grey, red, blue? This will only
> be a home setup but was wondering if there is an
> official color code.

Cat5 and Cat5e are UTP (unshielded). There is an equivalent shielded (STP)
cable but it's a slightly different impedance so it's not Cat5 standard.

No, there isn't an official colour code, though many sites have a local
convention. Ours is to use black for serial, purple for crossovers, yellow
for student network, pink or brown for telecomms, and other colours ad-hoc
to distinguish various subnets in areas where more than one is in use.
 Where I worked before, the code was

 grey normal network
 purple crossed cable
 orange uplink cable, not crossed but connected to one that is
 yellow student network in a staff area (or vice versa)
 pink management network
 green telephone connection
 blue ISDN connection
 red temporary connection -- do not touch
 black serial connection

-- 
Pete						Peter Turnbull
						Network Manager
						University of York
Received on Thu Feb 28 2002 - 13:42:50 GMT

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