Panasonic VB-44440 576HD CPC-HS Control Processor Circuit Card (Refurbished)

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The Panasonic VB-44440 is a CPU unit for a system with up to 28 extensions and up to 68 ports. The circuit card uses a 16-bit CPU and does not support the DEC16 or DEC24. Key Featu res: Mfr. Part #: VB-44440 Time switch (9 Highway x 9 Highway) 4-circuit MFR (DTMF receiver circuit) Three 8 party conference circuits Service tone DTMF transmitter Input terminal for external hold tone and BGM source(RCA jack) EPA output (RCA jack) Connecting terminal for synchronization package (VB-44460) Interface connector for a compact flash card. The system control program is downloaded to the internal memory of the system through the compact flash card. Memory is retained with a backup battery Show more