telecom system vs telecommunication equipment

telecom system and telecommunication equipment both are nouns.

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

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

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

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

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