YEASTAR O2 MODULE - 2X FXO PORTS (TRUNK)

The Yeastar O2 Module is a plug‑in trunk expansion card designed to increase the analog line capacity of compatible Yeastar IP PBX systems. Featuring two FXO ports, it allows connection of two PSTN analog telephone lines directly to the PBX, enabling inbound and outbound calls via public switched telephone networks. Installation is simple thanks to the modular design that fits into Yeastar appliances with expansion slots, facilitating seamless system upgrades and scalability. The module supports caller ID, loop start signaling, busy tone detection, and line supervision for reliable voice communication. It integrates with Yeastar call routing, IVR, call queues, and voicemail features, making it suitable for SMB environments transitioning to hybrid telephony setups. This expansion adds cost‑effective PSTN trunk support without requiring external gateways or adapters.

• Brand: Yeastar
• Module Type: O2 Expansion Card
• Port Type: 2 × FXO Ports (Trunk Interfaces)
• Compatible Systems: Yeastar IP PBX with Expansion Slot
• Signaling: Loop Start
• Caller ID Support: Yes
• Line Supervision: Yes
• Connector Type: RJ11
• Power: Powered through PBX chassis
• Dimensions: Standard PBX Expansion Module Size
• Operating Temperature: 0°C to 40°C