
1) Networking hardware 2) Telephone exchange equipment
Found on
https://www.crosswordclues.com/clue/clos-network

In the field of telecommunications, a Clos network is a kind of multistage circuit switching network, first formalized by Charles Clos in 1952, which represents a theoretical idealization of practical multi-stage telephone switching systems. Clos networks are required when the physical circuit switching needs to exceed the capacity of the largest ...
Found on
http://en.wikipedia.org/wiki/Clos_network
No exact match found.