Zyxel 20-port GbE Fiber L2 Switch with Four GbE Combo Ports and Four 10G Fiber Ports - Manageable - 2 Layer Supported - Desktop, Rack-mountable - 2 Year Limited Warranty - RoHS Compliance XGS3600-28F

The ZyXEL XGS3600/MGS3600 Series are Telco-class Layer 2 Carrier Ethernet switches ideal for Ethernet service aggregation and extension. The Series meet all IEEE 802.3/u/x/z/ab/ae standards and are an excellent solution that provides an ideal combination of affordability with capabilities for Carrier Access networking which include: IEEE 802.3ah MAC Layer OAM; IEEE 802.1ag Ethernet CFM, ITU-T Y.1731 Ethernet OAM Performance Monitoring; ITU-T G.8031 Ethernet Linear Protection and ITU-T G.8032 Ethernet Ring Protection Switching.