S2 Module

Manufacturer reference

Manufacturer details describe the cited version. Confirm the exact unit and intended system.

Product type

2-port FXS module

Ports / interfaces

2 RJ11 FXS ports

Endpoint use

Connects analog telephone or fax equipment

Datasheet-listed PBX models

S412, S20, S50, S100, S300, P550, P560, P570

Selection notes

• S2 is an FXS module for analog endpoints, not the O2 FXO module for PSTN lines. Confirm the exact host PBX hardware, available module slot, firmware and endpoint requirements against current Yeastar guidance before ordering.
• The manufacturer datasheet is a historical reference and does not confirm ISD stock, actual module revision, price, delivery date, local warranty or package contents.

Official documents

• Yeastar S2 FXS Module official PDF in module datasheet archive

Manufacturer source checked 2026-10-07. The supplied unit and local terms require confirmation.