Description FXO O2 Module – Dual FXO Port Card The FXO O2 Module – Dual FXO Port Card is designed to add two FXO ports to your VoIP or telephony system, enabling seamless connectivity with analog telephone lines (PSTN). It allows VoIP PBX systems to integrate traditional phone lines for incoming and outgoing calls. Built for reliability and flexibility, the FXO O2 ensures smooth communication, easy installation, and compatibility with various IP PBX systems. Ideal for small and medium businesses, this module provides cost-effective telephony expansion and stable voice quality. FXO O2 Module – Specifications Category Details Model FXO O2 Module – Dual FXO Port Card Port Type 2 × FXO (Foreign Exchange Office) ports Function Connects PBX/VoIP systems to PSTN analog telephone lines Compatibility Works with Asterisk, FreePBX, Trixbox, Elastix, and other open-source PBXs Interface PCI / PCI Express (depends on system card slot) Use Case Allows VoIP PBX systems to make/receive calls via analog PSTN lines Voice Quality Supports high-quality voice with minimal latency Echo Cancellation Hardware-based / software-based echo cancellation support Power Supply Powered directly through PCI/PCIe bus (no external adapter required) Dimensions Compact design – fits standard PCI/PCIe slots Operating Temperature 0°C to 50°C Storage Temperature -20°C to 65°C Humidity 10%–90% non-condensing Certifications CE, FCC, RoHS compliant Warranty 1 Year (may vary by region)
