Transceivers using a pluggable optical body

A transceiver, comprising:

• a transceiver receptacle body having a front side, a rear side and at least one optical channel at the optical interface, the front side having a first alignment pin and a second alignment pin, and the rear side having a cavity, wherein the first alignment pin extends from the front side into the cavity and the second alignment pin extends from the front side into the cavity;
• a substrate assembly comprising a glass substrate supporting at least one active electronic component and the substrate comprising a first alignment feature and a second alignment feature for cooperating with the first alignment pin and second alignment pin of the transceiver receptacle body;
• and
• an optical plug body comprising a front side and a rear side, and being sized for fitting into the cavity of the transceiver receptacle body.