Model: 685E4B
Telegraph-telephone Si ConverterProperties:
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.
Part 685E4B NSN 5805-00-498-9427
Material Classification
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicatorsPackaging & Shipping
Freight Classification
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Schedule B and Export
- Schedule B: 8543706000
- SITC: 77878
- End Use: Telecommunications equipment
- NAICS: 334210
- USDA: 1
Freight Class: Articles designed for connection to telegraphic or telephonic apparatus or instruments or to telegraphic or telephonic networks
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