These SC cables can be switched around, look for an arrow marking on each
end of the switches' GBIC and make sure that the arrow pointing towards you
(TX) is going in to the other end where the arrow is pointing away from you
(RX). And do the same to the other connectors.
3548A Gi TX----------RX 3548B
RX----------TX
>From: "Marco P Rodrigues"
>Reply-To: "Marco P Rodrigues"
>To: [EMAIL PROTECTED]
>Subject: Connecting Two 3548XL's with GigaEthernet [7:9098]
>Date: Tue, 19 Jun 2001 15:33:12 -0400
>
>I recently accquired two 3548XL's I want to connect both via giga
>ethernet. The problem I'm facing is that the link light will go up on one,
>but not on the other. I had the TX/RX ports reversed ie RX going to the TX
>on the other switch and vice versa. I configured both 0/1 modules with no
>negoiation auto, and duplex full. When I bring an interface up say on
>3548XL-A and 3548XL-B, the A comes up, the B comes up but goes down right
>away. The link light stays up on the 3548XLA. When I switch the cables
>around (multi mode fiber) the opposite happens. IE. B interace comes up,
>and A goes down. I can't provide configs right now, but I will in a few
>hours (I'm not at home right now). I've tried different fiber cables and
>no go. I know for a fact they work. If anyone who has this type of config
>or knows how I should tackle it could drop me a line, I would appreciate
>it.
>
>--
>"Sanity is calming, but madness is far more interesting."
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