Yeastar SO Module – 1 FXO + 1 FXS Port Module, PSTN Failover Support, Echo Cancellation, for S-Series & P-Series PBX
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Yeastar SO Module Key Product Specifications:
- Manufacturer: Yeastar
- Model: SO Module
- Product Type: FXO/FXS Module
- Port Type: 1 × FXO RJ11, 1 × FXS RJ11
- Supported PBX Models: S20, S50, S100, S300, P550, P560, P570
- FXO Ring Frequency Detection: 15–50 Hz
- FXS Ring Frequency: 25 Hz
- Ring Voltage: 85V
- Termination Support: PSTN lines and analog telephone/fax
- Failover Function: Supported
- Echo Cancellation: Supported
- Terminating Impedance: 600 Ohm
Yeastar SO Module is a dual-port FXO/FXS module designed to provide automatic PSTN failover functionality for Yeastar PBX systems at best price. Featuring one FXO port and one FXS port, the module ensures uninterrupted communication by directly bridging analog telephones to PSTN lines during power outages or system failures. With support for analog phones, fax machines, and PSTN connectivity, along with built-in echo cancellation and impedance adjustment, the SO Module delivers reliable voice communication and enhanced business continuity.
Yeastar SO Module Key Product Features:
- 1 FXO + 1 FXS port with auto failover function
- Ensures call continuity during power outage
- Supports analog phones, fax machines, and PSTN lines
- Built-in echo cancellation
- Compatible with Yeastar S-Series and P-Series PBX systems
- Direct PSTN bridging during system failure
- Supports impedance adjustment for reliable operation
- Designed for uninterrupted business communications
Yeastar SO Module Key Product Specifications:
- Manufacturer: Yeastar
- Model: SO Module
- Product Type: FXO/FXS Module
- Port Type: 1 × FXO RJ11, 1 × FXS RJ11
- Supported PBX Models: S20, S50, S100, S300, P550, P560, P570
- FXO Ring Frequency Detection: 15–50 Hz
- FXS Ring Frequency: 25 Hz
- Ring Voltage: 85V
- Termination Support: PSTN lines and analog telephone/fax
- Failover Function: Supported
- Echo Cancellation: Supported
- Terminating Impedance: 600 Ohm
Yeastar SO Module Key Product Features:
- 1 FXO + 1 FXS port with auto failover function
- Ensures call continuity during power outage
- Supports analog phones, fax machines, and PSTN lines
- Built-in echo cancellation
- Compatible with Yeastar S-Series and P-Series PBX systems
- Direct PSTN bridging during system failure
- Supports impedance adjustment for reliable operation
- Designed for uninterrupted business communications
Return Policy
Thanks for dealing with us at https://al-voip.com. Our policy allows our customers to return the products within14 days of payment; the product must be in the same condition as you received it.
Please submit the purchase receipt in order To complete your return process.
Our policy grants a full money-back guarantee for all purchases you made on our website in case you are not satisfied for any reason, faced a problem with the product or even received an incorrect order provided that Returns must be in good working order and an undamaged condition. Once you request a return, we will call you within 3 days.
Our policy grants you Zero fees when you return or replace a product but please note that only regular-priced products can be refunded, unfortunately, on-sale products cannot be refunded (replaced only).
Please note that you will not be eligible for a refund After 14 days of receiving the product.
If you have any additional questions or any problems, kindly contact us!
Shipping Policy
All orders are shipped from our headquarters in KSA to the whole kingdom and are delivered by one of our courier partners.
After placing an order, you will receive an email or SMS to confirm the order and to keep you up to date with your order you will receive an email or SMS notification with everything you need to know
We strive to ship the order as soon as possible but it depends on when your order was placed as it may take up to 6 days to be shipped
For any inquiries, please contact us.
Product Details
- Brand: Yeastar
- Model Name: SO Module
- Product Type: FXO/FXS Module
- Port Type: 1 × FXO RJ11, 1 × FXS RJ11
- Supported PBX Models: S20, S50, S100, S300, P550, P560, P570
- Failover Function: Supported
Tech Specs
- Port Type: 1 × FXO RJ11, 1 × FXS RJ11
- FXO Ring Frequency Detection: 15–50 Hz
- FXS Ring Frequency: 25 Hz
- Ring Voltage: 85V
- Termination Support: PSTN lines and analog telephone/fax
- Failover Function: Supported
- Echo Cancellation: Supported
- Terminating Impedance: 600 Ohm
Guides & Datasheet
Free Delivery From 3000 SAR
Only Best Brands
Secure Payment Secure System
30 Days For Free Return
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