What is a backplane connector, fiber optic contacts, power Connectors

 Black 112 Position 16 Columns 20.3 mm Pitch Right Angle Daughtercard Connector

https://www.futureelectronics.com/p/interconnect--backplane-connectors--backpanel-connectors/2102847-1-te-connectivity-7029301Black 112 Position 16 Columns 20.3 mm Pitch Right Angle Daughtercard Connector

https://www.futureelectronics.com/p/interconnect--backplane-connectors--backpanel-connectors/2102847-1-te-connectivity-7029301