[c-nsp] Cisco 6500 mounting with cables

Ricardo Stella stella at rider.edu
Mon Jul 8 09:20:34 EDT 2013

Ok my math is off and got curious...  It would be 6 gig ports.

From Wikipedia..

RJ21 connectors are used to connect Ethernet ports in bulk from a switch with RJ21 ports to a CAT-5 rated patch panel, or between two patch panels. A cable with an RJ21 connector on one end can support 6 fully wired 8P8Cconnectors or Ethernet ports on a patch panel with 1 spare pair. Alternatively, only the necessary pairs for 10/100 Ethernet can be wired allowing 12 Ethernet ports with a single spare pair.


On Jul 8, 2013, at 9:14 AM, Chris Marget <chris at marget.com> wrote:

> I've often lamented that Cisco no longer ships blades with RJ21
> connectors. I worked in a couple of shops where tens of thousands of
> user ports used this type of line card, and there were no cable
> management problems at the face of the switch.
> I don't see any technical reason to have abandoned this connector.
> Maybe it didn't sell?
> /chris
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