Yes, Calix equipment does not give full functionality with non Calix SFPs. It is in the alarm and telemetry part of the system, not the actual data part. I think they still operate but there is enough downside to not want to use them.
From: TJ Trout Sent: Tuesday, September 13, 2016 11:28 PM To: af@afmug.com Subject: [AFMUG] IBM g8124 locked optics Anyone have experience with sfp compatibility? I just stupidly ordered a bunch of transceivers from fiberstore before doing research and now I'm seeing that some models are vendor locked 😂