With PWR-HV-P48 installed: 88 to 300 VDC, 90 to 264 VAC, 47 to 63 Hz, PoE: 46 to 57 VDC With PWR-LV-P48 installed: 18 to 72 VDC (24/48 VDC for hazardous location), PoE: 46 to 57 VDC (48 VDC for haza

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