Alpha VVDTMF DTMF to RS232 Decoder Board

The VVDTMF from Alpha is a DTMF to RS232 Decoder Board used for a variety of applications. The primary use is for capturing the DTMF tones generated by a telephone entry type master station and sending the proper RS232 data to a PC which is running AlphaEntry software. The VVDTMF is powered from the (required) VV100D input board. The VVDTMF board is designed to easily surface mount right onto the finished wall by using the mounting holes provided for screw mounting, along with the provided plastic stand-offs. Connection is positive screw terminal and plug-in type.

Alpha VVDTMF DTMF to RS232 Decoder Board Features

• Easily Installs Right on Finished Wall Surface: Simplifies installation and saves time by allowing direct mounting on walls.
• Operates on Safe Low-Voltage Class II Wiring: Ensures safe operation and compliance with electrical standards.
• Convenient Screw Terminal and Plug-in Connections: Facilitates easy and secure wiring without the need for soldering.
• Decodes all 16 DTMF tones (0-9, A-D, #, *): Provides comprehensive tone detection for diverse applications.
• RCA Audio input jack accepts line level audio input directly: Enables direct connection to audio sources for enhanced usability.
• Central office quality DTMF decoder IC: Guarantees high performance and reliability in tone decoding.
• LED indicator shows when a tone is detected: Provides visual confirmation of DTMF tone detection for troubleshooting.
• DB9 female connector for RS232 hookup: Ensures compatibility with standard RS232 communication devices.

Alpha VVDTMF DTMF to RS232 Decoder Board Specifications