ExtremeSwitching X450-G2-48t-GE4 Switch Ports and Slots

X450-G2-48t-GE4 switch ports and slots include:

48 front panel ports of 10/100/1000BASE-T (ports 1–48).
Four front panel ports of 1GBASE-X SFP (ports 49–52).
One front panel USB port.
Ethernet management port 1 x 10/100/1000BASE-T.
Serial console port implemented as an RJ45 connector used to connect a terminal and perform local management.
One fixed power supply.
One rear redundant power supply connector.
One rear slot for fan module with front-to-back airflow.
Two dedicated QSFP-form factor 21 Gb stacking ports on the rear panel.

1 = Stack number indicator	4 = 10/100/1000BASE-T ports
2 = Console port/Ethernet management port	5 = SFP 1GBASE-X ports
3 = USB port

1 = 21 Gb stacking ports (QSFP+)	4 = AC power input connector
2 = Redundant power supply (RPS) connector	5 = Grounding screw
3 = Front-to-back fan module slot