RG-NBS5200-48GT4XS-UP 48-port Gigabit Layer 3 PoE Switch, 4 SFP+ Uplink Highlight Features 48-Port gigabit Layer 3 managed PoE switch, 4 SFP+ uplink Enterprise-class Quality Ensures High Performance 6KV surge protection reduces the possibility of port damage Multiple Security Policies Protect Your Network Lifetime management on Ruijie Cloud at anytime anywhere DATASHEET