The zyxel gs1900 48hp is a smart managed switch with 48 gigabit ports to provide network connectivity and flexibility to a business network with ipv6 support this zyxel gs1900 48hp 48 port smart managed gigabit switch has been designed with a host of useful features and advanced performances that empower your networks with speed and security as well as silent operation in your office environments the zyxel gs1900 48hp switch also features two sfp ports for gigabit uplinks and network expansio