Layer 3 Network Switch, Modular, 19" 机架安装, managed, 快速/Gigabit/10-千兆以太网, IEC 61850-3 / IEEE 1613, 低压, 端口类型和数量: 多达 28（取决于使用的介质接口模块）, IP30, -40 °C...85 °C

网络交换机, managed PoE, Gigabit Ethernet, 端口类型和数量: 4 * RJ45 10/100/1000BaseT(X) PoE+, 2x 100/1000BaseSFP Slot, IP30, -40 °C...75 °C

网络交换机, managed PoE, Gigabit Ethernet, 端口类型和数量: 8x RJ45 10/100/1000 BaseT(X) PoE+, IP30, -40 °C...75 °C

网络交换机, managed PoE, Gigabit Ethernet, 端口类型和数量: 8x RJ45 10/100/1000 BaseT(X) PoE+, 4x 100/1000BaseSFP Slot, IP30, -40 °C...75 °C

网络交换机, managed PoE, Gigabit Ethernet, 端口类型和数量: 8x RJ45 10/100/1000 BaseT(X) PoE+, 4x 100/1000BaseSFP Slot, IP30, -40 °C...75 °C