TIA ANSI/TIA-470.220-D
Telecommunications Telephone Terminal Equipment Alerter Acoustic Output Performance Requirements for Analog Telephones
Telecommunications Industry Association , 11/17/2014
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ANSI APPROVED
This standard defines the acoustic and electrical performance requirements of analog telephone alerters (sometimes referred to as ringers) connected to the Public Switched Telephone Network (PSTN).
Product Information
Published:
11/17/2014
Pages:
32
File Size:
1 file , 480 KB
Language:
English
