Optical assemblies with managed connectivity

An adapter block comprising:

• a body extending between opposite first and second ends, the body defining a mounting arrangement at each of the first and second ends, the body defining a plurality of first multi-fiber ports facing in a first direction and a plurality of second multi-fiber ports facing in an opposite second direction, each of the first multi-fiber ports being disposed in a first row extending between the opposite first and second ends, and each of the second multi-fiber ports being disposed in a second row extending between the opposite first and second ends, the body including a plurality of multi-fiber adapters disposed within a housing, the multi-fiber adapters defining the first and second multi-fiber ports, the housing providing access to the first and second multi-fiber ports, the housing including a bottom arrangement and a cover arrangement that cooperate to enclose the multi-fiber adapters, the cover arrangement having a plurality of pieces including a first cover piece configured to be latched to the bottom arrangement, a second cover piece configured to be latched to the bottom arrangement, and an intermediate piece configured to mount between the first and second cover pieces to inhibit unlatching of the first and second cover pieces;
• a circuit board carried by the body;
• and
• a plurality of presence sensors mounted to the circuit board so that a portion of each presence sensor extends into a respective one of the first multi-fiber ports.

An adapter block comprising:

• a body extending between opposite first and second ends, the body defining a mounting arrangement at each of the first and second ends, the body defining a plurality of first multi-fiber ports facing in a first direction and a plurality of second multi-fiber ports facing in an opposite second direction, each of the first multi-fiber ports being disposed in a first row extending between the opposite first and second ends, and each of the second multi-fiber ports being disposed in a second row extending between the opposite first and second ends, wherein the body includes a plurality of multi-fiber adapters disposed within a housing, the multi-fiber adapters defining the first and second multi-fiber ports, the housing providing access to the first and second multi-fiber ports, wherein the housing includes a bottom arrangement and a cover arrangement that cooperate to enclose the multi-fiber adapters, wherein the cover arrangement includes a plurality of light pipes that provide a path through which light travels from an interior to an exterior of the body;
• a circuit board carried by the body;
• and
• a plurality of presence sensors mounted to the circuit board so that a portion of each presence sensor extends into a respective one of the first multi-fiber ports.

An adapter block comprising:

• a body extending between opposite first and second ends, the body defining a mounting arrangement at each of the first and second ends, the body defining a plurality of first multi-fiber ports facing in a first direction and a plurality of second multi-fiber ports facing in an opposite second direction, each of the first multi-fiber ports being disposed in a first row extending between the opposite first and second ends, and each of the second multi-fiber ports being disposed in a second row extending between the opposite first and second ends;
• a circuit board carried by the body;
• and
• a plurality of presence sensors mounted to the circuit board so that a portion of each presence sensor extends into a respective one of the first multi-fiber ports,
• wherein the circuit board is a first of a plurality of circuit boards carried by the body, each of the circuit boards carrying a respective plurality of presence sensors, wherein the presence sensors of a second of the plurality of circuit boards extend into respective ones of the second multi-fiber ports, wherein the presence sensors of a third of the plurality of circuit boards extend into respective ones of the second multi-fiber ports.