ES-315-F Managed Switch ZyXEL ES-315-F is a L2 premise-managed Ethernet switch with up to 4 10/100Mbps auto-crossover MDI/MDI-X ports and 1 FX port. With superb performance in network resiliency, QoS, IP multicasting and security, ES-315-F is an ideal triple-play service solution for active Ethernet ETTx deployments aiming at service providers as well as cable, utility and municipality operators. To IP TV and VoIP services, the quality is the key to success. As such ES-315-F comes with proven QoS and VLAN functionalities like multi-layer (L2/L3/L4) ACL and 4 priority queues with SP/WRR to ensure smooth operations. For the hottest IP TV services, the ES-315-F also supports MVR to work with the IGMP snooping feature that empowers commercial-class IP TV deliveries.