<https://www.championone.com/blog/qa-the-new-200g-400g-optical-transceiver-form-factors#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.championone.com/blog/qa-the-new-200g-400g-optical-transceiver-form-factors>