Grandstream 4 FXO, 2 FastEthernet GXW4104Grandstream 4 FXO, 2 FastEthernet GXW4104 The GXW4200 v1 and v2 series are high density FXS gateway that enable businesses of all sizes to create an easy to deploy VoIP solution that takes advantage of Gigabit speeds. These FXS gateways offer the ability to seamlessly connect multiple locations and all devices within an office to any hosted or on premise IP PBX network to make deployments as easy as possible. The GXW410x FXO gateway series enables