Yeastar S2 Module — 2‑Port FXS Expansion Module
The Yeastar S2 Module adds two FXS ports for connecting analog phones or fax machines to Yeastar S‑Series and P‑Series IP PBX systems — ideal for hybrid VoIP deployments requiring legacy device support.
Description
Yeastar S2 Module — 2‑Port FXS Analog Extension Module for PBX
Key Features:
2 × FXS Ports: Provides two analog extension interfaces for phones or fax machines.
Legacy Device Support: Enables connection of traditional analog devices within a modern VoIP environment.
Modular & Scalable: Fits into available module slots on Yeastar PBX systems (often via expansion boards like EX08).
Wide Compatibility: Works with Yeastar S‑Series (S20, S50, S100, S300, S412) and P‑Series (P550, P560, P570) systems.
High‑Quality Voice: Supports standard telephony signaling with clean audio for analog endpoints.
Simple Installation: Plug‑in design for easy deployment and configuration via the PBX’s web interface.
Compact Form Factor: Designed for efficient use of module slots and expansion boards.
Hardware & Technical Specs:
Port Type: 2 × RJ11 FXS ports for analog extension connections.
Analog Support: Compatible with traditional phones and fax machines.
Compatibility: Yeastar S‑Series and P‑Series IP PBX platforms with available module slots or expansion boards (e.g., EX08).
Installation: Hot‑swappable/design for plug‑in deployment in support slots.
Voice Quality: Fully compatible with common analog signaling and telephony standards.
Technical Datasheet
You can download the full technical documentation for this product from the link below:
Download PDF Datasheet









