Grandstream Unmanaged 2.5 Multi-Gigabit Switch, 8 x 2.5 GigE, 1 x SFP+ GWN7701M extension module They feature multiple FXS analog

They feature multiple FXS analog telephone ports

Automatic or manual association to DP750/DP752 base stations for easy use

dual firmware images (GXW4200 v2 series)

handset and speakerphone with support for wide-band audio

Grandstream Unmanaged 2.5 Multi-Gigabit Switch, 8 x 2.5 GigE, 1 x SFP+ GWN7701M extension module They feature multiple FXS analog3 Models GWN7700M, GWN7700MP, and GWN7701M 5 and 8 Multi Gigabit Copper Ports provide 100 1000 2500Mbps connectivity One SFP+ Fiber Port with 1 Gigabit or 10 Gigabit connectivity LED Indicators; Per port: Link Activity Speed Per device: Power Auto MDI MDIX crossover for all ports Whisper Quiet: fanless Broadcast Multicast Unicast Storm Control (fixed to 100Mbps) to monitor traffic levels Green technology reduces power consumption QoS Supports Default