connect something up to something

Từ điển Oxford Advanced Learner 8th

conˌnect sthˈup (to sth) | conˌnect ˈup (to sth) derived
to join sth to a supply of electricity, gas, etc. or to another piece of equipment; to be joined in this way
•She connected up the two computers.
Opp: ↑disconnect
Main entry: ↑connect_derived