AL2094S Designers Guide
Doc. No. DG_2094E Altec Electronic AG Seite 6 / 30
1.2 FEATURES
1.2.1 General Modem Features
• Data modem
- QuickConnect and Modem-on-hold functions
- ITU-T V.92 , V.34 , V.32bis, V.32,
- V.22 bis, V.22, V.23, and V.21; Bell 212A and Bell 103
- V.250 and V.251 commands
• V.22 bis fast connect
• Data compression and error correction
- V.44 data compression
- V.42 bis and MNP 5 data compression
- V.42 LAPM and MNP 2-4 error correction
• Hardware-based modem controller
• Hardware-based digital signal processor (DSP)
• Worldwide operation
- Complies to TBR21 and other country requirements
- Caller ID detection for many countries
- Call progress, blacklisting
- Internal ROM includes default values for 29 countries
- Additional modified country profiles can be stored in internal SRAM
• Caller ID detect
- On-hook Caller ID detection
- Off-hook Call Waiting Caller ID detection during data mode in V.90, V.34,
V.32bis, and V.32
• Distinctive ring detect
• Built-in DTE interface
• Serial ITU-T V.24 (EIA/TIA-232-E) logical interface up to 115.2 kbps
• Direct mode (serial DTE interface)
• Flow control and speed buffering
• Automatic format/speed sensing
• Serial async/sync data
• +3.3V operation with +5V tolerant digital inputs
• Typical power use
- 220 mW (Normal Mode)
- 56 mW (Sleep Mode)
1.2.2 SmartDAA Features
• System side powered DAA operates under poor line current supply conditions
• Modem Wake-on-Ring
• Ring detection
• Line polarity reversal detection
• Line current loss detection
• Pulse dialing
• Line-in-use detection during on-hook operation
• Remote hang-up detection for efficient call termination
• Extension pickup detection
• Call waiting detection
• Digital PBX line protection
• Meets worldwide DC VI masks requirements
