* Order-related, cannot be canceled *,
48 RJ-45 autosensing 10/100/1000 PoE+ ports (IEEE
802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE
802.3ab Type 1000BASE-T, IEEE 802.3at PoE+) Duplex:
10BASE-T/100BASE-TX: half or full 1000BASE-T: full
only 4 SFP ports PHY-less