I believe the GBICs are standard regardless of vendor, but not all Cisco kit can do copper - we were looking at this a while ago for a customer, running GigE on copper into Cisco kit (a 7206 or 6500, I forget which) bit according to cisco.com it wasn't supported. I guess the firmware predates 1000BaseT.
From: Mikael Abrahamsson <email@example.com>
Date: Fri, 2 Nov 2001 19:35:40
Subject: Re: [nsp] 1000baseT GBIC
On Fri, 2 Nov 2001, José Domínguez wrote:
> I have always seem the Cisco copper GBICs as a marketing plot and
> it's very confusing. They only work on certain 35xx and 29xx switches
> and nowhere else. I guess they have modified the underlying hardware
> to support the copper GBICs.
If one wants to, there are real copper GBICs from other vendors.
... for example.
I have seen versions with an external RJ45 connector as well. These are
true GBICs as far as I have been told.
-- Mikael Abrahamsson email: firstname.lastname@example.org
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