Answering Machine Line Interface Coupler
Hybrid coupler circuit that separates incoming calls from outgoing signals for message recording in telephone answering machines. Ensures electrical isolation per FCC telecom regs for heading 8521 devices. Classified in 8522.90.58.80.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for general telephone line interfaces
Parts of heading 8517 apparatus.
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Import Tips & Compliance
• Include FCC Part 68 compliance certs to validate telecom use
Related Products under HTS 8522.90.58.80
Voicemail Tape Head Assembly
Microcassette read/write head for analog tape-based telephone answering machines, optimized for 30-minute message capacity. Designed solely for heading 8521 legacy devices. Under 8522.90.58.80.
Answering Machine LED Display Driver Board
Circuit board driving 7-segment LEDs for message counter and status on telephone answering machines. Interfaces with control CPU for heading 8521. HTS 8522.90.58.80.
Answering Machine Handset Jack Connector
RJ-11 compatible connector module for handset/message playback in telephone answering machines. Shielded for RFI suppression in heading 8521. 8522.90.58.80.
Message Counter Electromechanical Relay
Clicker relay providing audible feedback for each new message in analog answering machines of heading 8521. Custom throw angle for counter mechanism. 8522.90.58.80.
Answering Machine Chassis Wiring Harness
Custom cable assembly interconnecting PCB, transformer, and jacks in telephone answering machine chassis for heading 8521. Pre-cut lengths for compact design. 8522.90.58.80.
Answering Machine Keypad Interface Board
Board handling local control buttons (play, skip, delete) for desktop telephone answering machines. Matrix scanning for 6-button layout. 8522.90.58.80.