TOSHIBA K4RCU3A DTMF Tone Detection Receiver

Description

 

TOSHIBA K4RCU3A DTMF Tone Detection Receiver

  • (Stock# K4RCU3A)

The Toshiba 4-circuit DTMF/ABR Receiver Card (K4RCU3A) provides:

  • Is an optional PCB installed on the TMAU motherboard
  • Required to interpret Dual-tone Multi-frequency (DTMF) tones from standard telephones
  • Required for Direct Insward System Access (DISA)
  • Required for Direct Inward Dialing (DID)
  • Used to detect busy tone for Automatic Busy Reial (ABR) feature and must be installed to allow ABR to operate
  • K4RCU has four (4) DTMF receivers and four (4) ABR busy tone detectors

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