---
product_id: 91090015
title: "YEASTAR YST-O2-2 FXO Ports O2 Module, 2 FXO Ports"
brand: "yeastar"
price: "€ 546.62"
currency: EUR
in_stock: true
reviews_count: 4
category: "Yeastar"
url: https://www.desertcart.com.cy/products/91090015-yeastar-yst-o2-2-fxo-ports-o2-module-2-fxo
store_origin: CY
region: Cyprus
---

# Reliable analog line termination 2 FXO Ports for PSTN lines Seamless MyPBX Series compatibility YEASTAR YST-O2-2 FXO Ports O2 Module, 2 FXO Ports

**Brand:** yeastar
**Price:** € 546.62
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect Smarter, Talk Stronger – Power Your PSTN Lines with Yeastar!

## Quick Answers

- **What is this?** YEASTAR YST-O2-2 FXO Ports O2 Module, 2 FXO Ports by yeastar
- **How much does it cost?** € 546.62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/91090015-yeastar-yst-o2-2-fxo-ports-o2-module-2-fxo)

## Best For

- yeastar enthusiasts

## Why This Product

- Trusted yeastar brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **MyPBX Series Ready:** Optimized interoperability with MyPBX SOHO, Standard, Pro, E1, and Enterprise models.
- • **Dual FXO Ports Power:** Connect two analog PSTN lines effortlessly for expanded telephony capacity.
- • **Compact & Lightweight:** At just 1 pound, it fits perfectly into your existing setup without bulk.
- • **Plug & Play Integration:** Simple installation with Yeastar P550 and TDM800 cards for instant connectivity.
- • **Trusted Brand Reliability:** Backed by Yeastar’s 30-day warranty and a solid 4.3-star user rating.

## Overview

The Yeastar YST-O2-2 FXO Module features 2 FXO ports designed to terminate analog PSTN lines, fully compatible with a wide range of MyPBX series devices. Lightweight and easy to install, it ensures reliable telephony integration for professional communication setups, backed by a trusted brand and positive user feedback.

## Description

Yeastar 2 Fxo PortsA Module With 2 Fxo Ports To Terminate Two Analog Pstn(pots) Lines.It Can Be Used In Mypbx Soho Mypbx Standard Mypbx Pro Mypbx E1. Mypbx E1 Plus Mypbx Enterprise And Tdm800 Card.Brand: Yeastar

Review: Needed with the Yeastar P550 to connect PSTN lines
Review: Did not work with S50

## Features

- 2 FXO Ports
- Interoperable for MyPBX Series

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B005MWMSRY |
| Brand | YEASTAR |
| Brand Name | YEASTAR |
| Customer Reviews | 4.3 out of 5 stars 11 Reviews |
| Global Trade Identification Number | 00724580611943 |
| Item Weight | 1 Pounds |
| Item weight | 1 Pounds |
| Manufacturer | Yeastar |
| Manufacturer Part Number | YST-O2-2 FXO Ports |
| Model Number | YST-O2-2 FXO Ports |
| Number of Ports | 2 |
| Number of ports | 2 |
| Product Warranty | 30 DAYS |
| UPC | 088022106511 080850268973 803983025721 086000110284 724580611943 807320382829 |

## Product Details

- **Brand:** YEASTAR
- **Global Trade Identification Number:** 00724580611943
- **Item weight:** 1 Pounds
- **Number of ports:** 2
- **UPC:** 088022106511 080850268973 803983025721 086000110284 724580611943 807320382829

## Images

![YEASTAR YST-O2-2 FXO Ports O2 Module, 2 FXO Ports - Image 1](https://m.media-amazon.com/images/I/61tVn6TTeGL.jpg)

## Questions & Answers

**Q: it work on yeastar s100-040 to expand 2 more fxo?**
A: You. If you already have the S100-040, then yes, the YST-O2M will add another 2 FXO Ports.
Make sure you buy from Authorized Seller, since it requires you opening the unit to install the module. >> Platinum Yeastar Partner >>> CITICALLS

## Customer Reviews

### ⭐⭐⭐⭐⭐ Needed with the Yeastar P550 to connect PSTN lines
*by B***. on 28 September 2025*



### ⭐ Did not work with S50
*by B***R on 29 June 2023*



### ⭐⭐⭐⭐⭐ Great product and works perfectly
*by M***I on 20 May 2025*



## Frequently Bought Together

- YEASTAR YST-O2-2 FXO Ports Module, 2 FXO Ports, Ethernet, Compatible with PBX Series & Asterisk, Red, 1 Pound, Business Use
- Yeastar S20 - PBX Business Phone System (Barebones) (No modules)
- Yealink T33G IP Phone, 4 VoIP Accounts. 2.4-Inch Color Display. Dual-Port Gigabit Ethernet, 802.3af PoE, Power Adapter Not Included (SIP-T33G)

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**Shop now:** [https://www.desertcart.com.cy/products/91090015-yeastar-yst-o2-2-fxo-ports-o2-module-2-fxo](https://www.desertcart.com.cy/products/91090015-yeastar-yst-o2-2-fxo-ports-o2-module-2-fxo)

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-08-19*