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.

Features

• Easily Installs Right on Finished Wall Surface
• Operates on Safe Low-Voltage Class II Wiring
• Convenient Screw Terminal and Plug-in Connections
• Decodes all 16 DTMF tones (0-9, A-D, #, *)
• RCA Audio input jack accepts line level audio input directly
• Central office quality DTMF decoder IC
• LED indicator shows when a tone is detected
• DB9 female connector for RS232 hookup