Re: More, Re: Quick question about Ethernet ports on an E4A with LAN Console

It would only be my WAG as I never had that exact model, but might the
'odd' ports be capable of supporting 10GB and all ports support 1GB?

If you can get the console going and be able to get into the system then
you might want to fall back to my earlier instructions regarding WRKLIND
and WRKHDWRSC *CMN and that should help you determine the port you were
using before. The resource detail should tie into
https://www.ibm.com/docs/en/power6?topic=520-locations

On Wed, May 3, 2023 at 1:43 PM James H. H. Lampert via MIDRANGE-L <
midrange-l@xxxxxxxxxxxxxxxxxx> wrote:

On 5/3/23 10:07 AM, Patrik Schindler wrote:

Am 03.05.2023 um 18:20 schrieb James H. H. Lampert via MIDRANGE-L <

midrange-l@xxxxxxxxxxxxxxxxxx>:

And if I'm not going through a switch or other hub, I probably need a

crossover cable, right?

Crossover-cables were necessary up to, and including 100BASE-T. The

1000BASE-T standard makes auto-crossing (Auto-MDIX) mandatory. No need for
crossover cables with Gigabit.

Hmm. And I already know that as long as *ONE* end is plugged into an
Auto-MDI-X socket, the link doesn't care whether the cable is
straight-through or crossover.

Looking ahead to hooking up the main Ethernet:

Referring back to the picture, to the left of the sockets, under a 1GB
heading, they're labeled T1 through T4, and then T1 and T2 again, while
on the right, under a heading of 10GB, the first one is labeled T1 and
the *third* one is labeled T2. Can somebody explain what's up with that?

The switch that serves as the office Ethernet hub is a Linksys EZXS16W,
old enough to have a purple front, and looking at an online manual, it's
apparently not even 1GB, let alone 10GB; would I then be using the
second from the top, or the third from the top?

--
JHHL
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