CMX624 - Consumer Microcircuits Limited

CMX624 Bell 202 And V.23 Modem

The CMX624 V.23 / Bell 202 modem is intended for use in any telephone based information and telemetry system with low power requirements. Using FSK signalling, fast call set-up times and robust error resistant transmission can be implemented by efficient low power circuits. The circuit can operate at 1200bps full duplex over a 4-wire circuit or 1200 bps plu.

Features

• V.23 / Bell 202 Compatible Modem
• Integrated DTMF Encoder
• Call Progress Tone Detection
• Line Reversal and Ring Detector
• Low Power Operation (2.7V)
• Part of the CMX6x4 Modem Series Applications
• Telephone Telemetry Systems
• Remote Utility Meter Reading
• Security Systems/Cash Terminals
• Industrial Control Systems
• Pay-Phones
• Cable TV Set-Top Boxes 1.1 Brief Description The CMX624 V.23 / Bell 202 modem is intended for use in any telephone based information and telemetry system with low power requirements. Using FSK signalling, fast call set-up times and robust error resistant .