D-Link 24-Port 10/100Mbps PoE Web Smart Switch with 4-Port 10/100/1000Base-T and 2-Port Combo SFP DES-1228P - Page 20

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10/100/1000 BASE-T / Mini GBIC Combo Ports (Option Port
25~26)
The Switch is also equipped with two combo 10/100/1000 Base-T /
Mini GBIC ports, supporting optional 100BASE-FX or 1000BASE-
SX/LX Mini GBIC modules for fiber uplinks.
10/100/1000 BASE-T Twisted Pair Ports (Port 27~28)
Finally there are 2 Gigabit twisted pair ports that are auto negotiable
10/100/1000Mbps with auto MDI/MDIX crossover detection support
that can also operate in half- and full- duplex modes.
Note: When a port is set to “Forced Mode”, the Auto MDI/MDIX is
disabled.