telecom equipment vs telecommunication system

telecom equipment and telecommunication system both are nouns.

Word	Noun	Adjective	Verb	Adverb
telecom equipment	Yes	No	No	No
telecommunication system	Yes	No	No	No

As nouns, telecom equipment and telecommunication system are synonyms defined as:

telecom equipment and telecommunication system: a communication system for communicating at a distance

Other synonyms of telecom equipment include telecom system, telecommunication equipment.

telecom equipment (noun)	telecommunication system (noun)
a communication system for communicating at a distance	a communication system for communicating at a distance