24 ports 10/100Base-TX IEEE 802.3 af-based PoE, 2 ports of media-flexible Gigabit Ethernet for a choice of fixed 1000Base-T or 1000Base-X (mini-GBIC), Full Layer 2 & Base Layer 3 Switching, 1 hot-swappable, field replaceable AC power supply with space for a second (redundant) AC power supply; Occupies 1.5 rack units (RU).

24 ports 10/100Base-TX plus 2 ports of media-flexible Gigabit Ethernet, allowing a choice between fixed 1000Base-T (included) or 1000Base-X (mini-GBIC), Full Layer 2 Switching, Full Layer 3 Routing, and one hot-swappable, field replaceable AC power supply; Occupies 1.5 rack units (RU).

48 ports 10/100Base-TX plus 2 ports of media-flexible Gigabit Ethernet, allowing a choice between fixed 1000Base-T (included) or 1000Base-X (mini-GBIC), Full Layer 2 & Base Layer 3 Switching, and one hot-swappable, field replaceable AC power supply; Occupies 1.5 rack units (RU).

48 ports 10/100Base-TX plus 2 ports of media-flexible Gigabit Ethernet, allowing a choice between fixed 1000Base-T (included) or 1000Base-X (mini-GBIC), Full Layer 2 Switching, Full Layer 3 Routing, and one hot-swappable, field replaceable AC power supply; Occupies 1.5 rack units (RU).