Foreign exchange, office; subassembly
An electronic device which receives, converts and transmits ringing and/or supervisory or other messages over a communication circuit in the form of audio frequency tones. May include integral interrupters, oscillators and hybrid and filter networks. Excludes generator, ringing, static and generator, ringing, machine.
Classification: Articles designed for connection to telegraphic or telephonic apparatus or instruments or to telegraphic or telephonic networks
NSN 5960-01-409-1917
NSN 6105-01-582-8303
NSN 5930-01-541-4144
NSN 5920-01-034-7221
NSN 6685-01-463-9078
NSN 5910-01-338-4075
NSN 6145-00-111-5667
NSN 6685-01-293-2769
NSN 6130-01-248-6607
NSN 5920-01-605-3232
NSN 5985-01-197-7905
NSN 2925-01-299-6967