TN420C Tone Detector-Refurbished
Description
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Refurbished/Like New Free shipping
- 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

