O2 Module, Telecom, PBX Accessory, Yeastar, O2 Module
Telephony module with 2 analog FXO ports, connecting 2 traditional PSTN central office landlines directly into Yeastar PBX systems.
Product Overview
The Yeastar O2 Module is a dual-port FXO (Foreign Exchange Office) expansion card engineered to terminate two analog central office (PSTN) telephone lines directly into Yeastar IP-PBX systems. By bridging traditional copper telephone lines, the O2 module allows companies to keep published landline numbers, enjoy local call rates, and maintain essential emergency calling services. Compatible with Yeastar P-Series and S-Series PBXs, the O2 module features advanced line impedance matching, caller ID detection, and busy tone disconnect supervision to prevent stuck channels.
Why Buy This Product
Keep Existing Landlines
Retain familiar advertised company telephone numbers from national telecom providers.
PSTN Backup Trunking
Provides failover telephone trunks that continue working when the office internet service fails.
Direct IVR Inbound Routing
Route incoming landline calls straight to IVR auto-attendants, departments, or mobile extensions.
Best for These Applications
Retail Businesses & Walk-in Offices
Businesses that receive large volumes of local customer calls via traditional copper telephone lines.
Offices in Remote or Fringe Areas
Locations where fiber internet is prone to drops, requiring dependable terrestrial copper backup.
Key Advantages
- Smart Disconnect Tone Detection:Accurately detects provider disconnect frequencies to release seized trunks instantly upon hang-up.
- Surge & Lightning Protection:Integrated solid-state protection prevents electrical storms from damaging the PBX motherboard.
- Plug-and-Play Detection:The PBX automatically discovers and maps the newly installed ports upon booting.
Frequently Asked Questions
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Weight | 0.05 |
| Shipping Weight | 0.12 |
| Co Lines | 2 |
| Expansion Slots | 1 |
| System Architecture | Modular Telephony Plug-in Card |
| Dimensions | 47 x 45 x 15 mm |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Certifications | CE, FCC, RoHS |
| Stock | 7 |
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