
1) Networking hardware
Found on
https://www.crosswordclues.com/clue/decserver

In computer networking, DECserver initially referred to a highly successful family of asynchronous console server / terminal server / print server products introduced by Digital Equipment Corporation (DEC) and later referred to a class of UNIX-variant application and file server products based upon the MIPS processor. In February 1998, DEC sold it...
Found on
http://en.wikipedia.org/wiki/DECserver
No exact match found.