Telco Systems 2443-50 Dual 2W FXS Module

Overview
The Telco Systems 2443-50 Dual 2W FXS Module is a compact, high performance interface designed to add two analog voice ports to a carrier or gateway platform. Each port delivers up to 2 watts of power, supporting standard analog telephone equipment without the need for external power supplies. The module is engineered for reliability in carrier grade environments and provides seamless integration with existing VoIP infrastructures.

Key Features

• Dual FXS ports with 2W per port for direct connection of analog phones, fax machines and modems
• Supports standard analog signaling including loop start, ground start and polarity reversal
• Built-in DC feed eliminates the need for separate power adapters
• Hot swap capable for easy installation and maintenance without service interruption
• Compact 1U rackmount form factor for space efficient deployment
• Full compliance with ITU-T G.711 and G.726 codecs for high quality voice transmission
• Robust protection against over-voltage, short circuit and reverse polarity conditions

Technical Specifications

• Model number: 2443-50
• Number of ports: 2 FXS
• Power per port: 2 watts
• Supply voltage: 48 VDC (typical)
• Impedance: 600 ohms nominal
• Frequency response: 300 Hz to 3400 Hz
• Operating temperature: 0 to 55 degrees Celsius
• Storage temperature: -40 to 85 degrees Celsius
• Dimensions: 1U height, 19 inch rack width
• Weight: less than 1 kilogram

Applications

• Carrier and service provider networks that need to interconnect legacy analog devices to IP based voice platforms
• Enterprise PBX extensions where analog phones are retained for cost or user preference reasons
• Small and medium business environments requiring a simple bridge between analog and digital telephony
• Remote office installations where power availability is limited and a self-powered solution is advantageous
• Test and development labs that require reliable analog line emulation for equipment validation

By delivering two fully featured analog ports in a single, easy-to-install module, the Telco Systems Dual 2W FXS Module helps reduce hardware footprints, simplify power management and protect investment in existing analog telephony assets.