Avaya Definity TN420C Tone Detector Refurbished
Store #: 5176-R
Manufacturer Part No: 73620
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TN420C Tone Detector
- Detects and analyzes tones on the Time Division Multiplexing (TDM) bus
- Provides two Network Processing Elements (NPEs) with eight channels that provide four Dual Tone Multi-Frequency (DTMF) receiver ports, two general purpose tone detector ports, and two digital loop-around ports
- TN420C replaced by TN2182B and TN744D
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