20 X Gigabit Ethernet Ports plus four dual personality ports and 4 X SFP. UNIT ALSO HAS A J9733A Dual Port Stacking Module Fitted. · 20 RJ-45 autosensing 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T); Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only.
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