Originally Posted by
billgrates3
Slightly OT ... I haven't used the lounge in BCN, but at the MAD Iberia lounge you can plug into the RJ45 LAN ports at the counter at the far left end (North I think) of the lounge. Internet access is free via LAN cable, no wifi or code needed (at least in 2012 that was the case).
Indeed this is the case. I used to borrow a LAN cable; now I bring my own.