With PWR-HV-P48/PWR-HV-NP installed: Max. 33.0 W @ 110 VDC Max. 24.2 W @ 220 VDC Max. 32.3 W @ 110 VAC Max. 27.3 W @ 220 VAC With PWR-LV-P48/PWR-LV-NP installed: Max. 79.2 W @ 24 VDC Max. 35.0 W @ 4

Layer 2 full Gigabit modular managed Ethernet switch with 4 fixed Gigabit ports, 6 slots for optional 4-port GE/FE modules, 2 slots for isolated power modules, up to 28 Gigabit ports, -40 to 75°C operating temperature

Layer 2 full Gigabit modular managed Ethernet switch with 4 fixed Gigabit ports, 6 slots for optional 4-port GE/FE modules, 2 slots for isolated power modules, up to 28 Gigabit ports, -10 to 60°C operating temperature

Layer 3 full Gigabit modular managed Ethernet switch with 4 fixed Gigabit ports, 6 slots for optional 4-port GE/FE modules, 2 slots for isolated power modules, up to 28 Gigabit ports, -10 to 60°C operating temperature

Layer 3 full Gigabit modular managed Ethernet switch with 4 fixed Gigabit ports, 6 slots for optional 4-port GE/FE modules, 2 slots for isolated power modules, up to 28 Gigabit ports, -40 to 75°Coperating temperature

Layer 2 full Gigabit modular managed Ethernet switch with 4 fixed Gigabit ports, 2 slots for optional 4-port GE/FE modules, 2 slots for isolated power modules, up to 12 Gigabit ports, -10 to 60°C operating temperature

Layer 2 full Gigabit modular managed Ethernet switch with 4 fixed Gigabit ports, 2 slots for optional 4-port GE/FE modules, 2 slots for isolated power modules, up to 12 Gigabit ports, -40 to 75°C operating temperature