CML CMX866
The CMX866 is a multi-standard modem for use in telephone based information and telemetry systems. The data transmitted and received by the modem is also transferred over the same serial interface. The on-chip µController interprets these AT commands and controls an internal DSP, which provides the modem and anciliary functions such as Ring Detection, Call Progress Detection, Hook Switch control and DTMF autodialling.| Part No. | CMX866 |
|---|---|
| Datasheet | CMX866 Download |
| Manufacturer |  CML |
| Description | V.22 bis Modem |
| Buy | Stock & Price |
FEATURES
● V.22 bis, V.22 and Bell 212A QAM/DPSK● V.23, Bell 202, V.21 and Bell 103 FSK
● Integral AT Command Set with 'Fast Connect'
● V.23 and Bell 202 'Fast Turnaround'
● Support for Type 1 Caller Line Identification
● DTMF/Programmable Tones: Transmit and Receive
● 'Zero-Power' and Powersave Standby Modes
● Low Power Operation Provisional Issue
APPLICATIONS
● Telephone Telemetry Systems● Remote Utility Meter Reading
● Security Systems
● Industrial Control Systems
● Electronic Cash Terminals / ATMs
● Pay-Phones
● Cable TV Set-Top Boxes
● EPOS Terminals 1.1 Brief
DESCRIPTION
Control of the device is via AT commands over a simple 9600b/s serial interface, compatible with most types of host µController. An RS232 compatible interface can be created by the addition of a Level Converter. User-specific DSP functions are also available via the AT command set. Hardware support is provided for V.23 and Bell 202 Fast Turnaround and for rapid return to AT Command mode. A Fast Connect mode has been implemented to reduce modem connection time.
