Standards: IEEE 802.3x Flow Control
IEEE 802.3ad Link Aggregation Control Protocol
IEEE 802.1X Network Login
IEEE 802.1Q VLAN tagging
IEEE 802.1s Multiple Spanning Trees
IEEE 802.1AB Link Layer Discovery Protocol
IEEE 802.1Q VLANs
IEEE 802.1p Priority
Primary Ports: 24 RJ-45 10/100 ports (IEEE 802.3 Type 10Base-T, IEEE 802.3u Type 100Base-T)
1 RJ-45 serial console port
2 Dual Personality Ports each port can be used as either an RJ-45 10/100/1000 port (IEEE 802.3 Type 10Base-T; IEEE 802.3u Type 100Base-TX; IEEE 802.3ab 1000Base-T Gigabit Ethernet) or an open mini-GBIC slot (for use with mini-GBIC transceivers)
Specifications: 20-port 10/100/1000 PoE+ and 4-port mini-GBIC(SFP) module for HP E5400/E8200 series zl switches
Ports and Slots: 20 x RJ-45 1000Base-T PoE LAN, 4 open mini-GBIC (SFP) slots
Connectivity Media: Twisted Pair 1000Base-T
Data Transfer Rate: 1 Gbps Gigabit Ethernet
Dimensions: 7.76" x 7.52" x 14.29"
Weight: 1.45 lbs.