使用 Abraa 安全交易系统进行安全可靠的支付 產品規格
| Shouki Electronics | |
| New | |
| YES |
Product Descriptions
Zycoo 4FXO module with 4 FXO interface (U50/100)
FXO (Foreign Exchange Office) The Analog Trunk FXO is an interface that connects to a trunk line, like the one from your service provider. It receives ringing voltage and battery from FXS devices. FXO interfaces are used to connect your PBX to the PSTN. One FXO channel is required for each line you receive from your telco.
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