Introduction The JHA-MPGS424NCJ is a full gigabit  L2+  managed Ethernet  fiber switch. The JHA-MPGS424NCJ has the L2+ full network management, support IPV4/IPV6 management, static route full line rate forwarding, securityprotection mechanism, complete ACL/QoS policy and rich VLAN functions, and is easy to manageandmaintain. Supports multiple network redundancy protocols STP/RSTP/MSTP (<50ms) and (ITU-TG.8032)ERPS to improve link backup and network reliability. When one-way network fails, communication can be quickly restored to ensure important Uninterrupted communication for applications. According to the actual application requirements, you can configure multiple application services such as PoE power management, port traffic control, VLAN division, and SNMP through the Web network management mode.