Subject: Re: HW question: i210 vs. BCM5461S over SGMII: no response from PHY to MDIO requests?

From: Andrew Lunn <[email-masked]>
Date: Sun, 18 Mar 2018 15:40:53 +0100

> I'm not getting an ACK from the SFP, probably because I've got the 
> address and offset wrong and because I'd better use indirect access.
> There's some more work awaiting me...

Try address 0x50.

i2detect will probe all addresses for you, if you have a standard
Linux i2c bus.

      Andrew