Description
The Mitel MH88437 Data Access Arrangement (D.A.A.) provides a complete interface between audio or data transmission equipment and a telephone line. All functions are integrated into a single thick film hybrid module which provides high voltage isolation, very high reliability and optimum circuit design, needing a minimum of external components.

Features
• FAX and Modem interface (V.34/V.34+)
• Designed to work at data rates up to 56kbits
• External programmable line and network balance impedances
• Programmable DC termination characteristics
• IEC950 recognised component
• Transformerless 2-4 Wire conversion
• Integral Loop Switch
• Dial Pulse and DTMF operation
• Accommodates parallel phone detection
• Line state detection outputs:
-loop current/ringing voltage/line voltage
• +5V operation, low on-hook power (25mW)
• Full duplex voice and data transmission
• On-Hook reception from the line
• Meets French current limit requirements
• Conforms to German dial pulse standards
• Approvable to UL 1950
• Industrial Temperature Range Available

Applications
Interface to Central Office or PABX line for:
• FAX/Modem
• Electronic Point of Sale
• Security System
• Telemetry
• Set Top Boxes