# IP PBX expansion module Yeastar MyPBX SO with 1x FXO port and 1x FXS port

**URL:** https://aio.lv/en/product--yeastar-10000316--3588726
**Data updated:** 2025-12-29 13:34 (EET)
**Category:** Server Parts & Components
**Manufacturer:** Yeastar
**Manufacturer code:** 10000316
**EAN:** 8594044580748
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 146.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 121.07 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--yeastar-10000316--3588726

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Yeastar MyPBX SO expansion module adds one FXO port and one FXS port to compatible MyPBX systems. It enables connection of analog PSTN lines (FXO) and analog phones or fax machines (FXS), useful for small offices or branch sites that need mixed VoIP and analog devices. The module is intended for straightforward installation into supported Yeastar MyPBX units to extend telephony connectivity.

## Long description

Yeastar MyPBX SO expansion module provides one FXO port for connecting a traditional PSTN line and one FXS port for connecting an analog phone or fax. The module is designed to be installed in compatible Yeastar MyPBX systems to extend telephony connectivity and enable mixed VoIP and legacy analog devices in small offices or branch sites.
Advantages
The module combines FXO and FXS interfaces in a single-board design, allowing both an analog public line and an analog endpoint to be connected simultaneously. It is compatible with Yeastar MyPBX units and supports straightforward installation to expand existing system capacity without replacing the whole PBX. This simplifies integration of legacy analog phones or fax machines alongside VoIP services.
Suitable for
Small offices that require one PSTN line and one analog phone or fax
Branch locations needing a simple analog passthrough alongside VoIP
Upgrading an existing Yeastar MyPBX with mixed analog and IP devices
Key specifications
Interfaces: 1x FXO port, 1x FXS port
Compatibility: Yeastar MyPBX expansion slot compatible units
Manufacturer part number (MPN): 10000316
EAN: 8594044580748
How to use
Power down the compatible Yeastar MyPBX unit, insert the MyPBX SO module into the designated expansion slot according to the unit manual, and secure it. Connect the FXO port to the PSTN line and the FXS port to an analog telephone or fax. Power on the PBX and configure the new ports in the MyPBX administration interface to assign trunks, extensions or routing rules as required.
Usage recommendations
Install the module only in supported Yeastar MyPBX models and follow the official installation and safety instructions. After installation, verify line and handset operation and configure call routing to prevent conflicts with existing trunks or extensions.

## FAQ

### How much does the Yeastar MyPBX SO expansion module 1xFXO 1xFXS cost, and is it available for purchase?

The price is 146.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 02.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Yeastar MyPBX SO expansion module 1xFXO 1xFXS be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Yeastar products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Yeastar service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/3588726/51413577_large.webp