Yeastar O2 Module (2FXO) – YST-O2

Overview

The Yeastar O2 Module (2FXO) is an expansion module designed to add two FXO (Foreign Exchange Office) ports to your Yeastar IP PBX system. It allows the PBX to connect directly to analog PSTN (Public Switched Telephone Network) lines, enabling inbound and outbound analog calls.

The O2 module is compatible with Yeastar S-Series PBX systems (S20, S50, S100, S300) and P-Series models, offering flexible integration between traditional telephone lines and modern VoIP systems.

Key Features

• 2 FXO Ports

  • Adds two analog PSTN lines to your IP PBX system for local telephone connectivity.

• Hybrid Communication Support

  • Seamlessly integrates analog and VoIP lines within a single PBX system.

• High Compatibility

  • Compatible with Yeastar S-Series and P-Series PBXs including S20, S50, S100, S300, and P550/P560/P570.

• Plug-and-Play Design

  • Easy installation inside the PBX chassis — no external hardware or configuration tools required.

• Reliable PSTN Integration

  • Ideal for areas where traditional telephone service is still in use or needed as a backup for VoIP.

• Automatic Detection

  • The system automatically identifies and activates the module upon installation.

Technical Specifications

• Model: Yeastar O2 Module (2FXO)

• Ports: 2 FXO analog ports

• Interface Type: RJ11

• Compatible Systems:

  • Yeastar S20, S50, S100, S300

  • Yeastar P550, P560, P570

• Function: Connects analog PSTN lines to IP PBX

• Dimensions: 90 × 59 × 12 mm (approx.)

• Operating Temperature: 0°C – 45°C

• Weight: Approx. 50g

Benefits

• Enables integration with analog PSTN lines.

• Adds redundancy and flexibility to your IP PBX.

• Reduces dependency on VoIP-only communication.

• Quick and simple installation — no complex setup.

• Ensures business continuity with analog line support.

Ideal For

• Businesses transitioning from analog to VoIP systems.

• Offices needing a mix of traditional and IP-based calling.

• Organizations seeking PSTN backup for SIP trunks.

Delivery & Support

We at Ace Tech Pro LTD offer fast delivery options, 100% genuine product guarantee and customer support.

Order Now!

Order now at Ace Tech Pro LTD or visit our shop at Rahimtullah Trust Building 2nd Floor Shop 11 along Moi Avenue.