Gigaset SE505 Owner's Manual page 17

First Steps
Wired
Insert one end of the supplied Ethernet cable in one of the LAN sockets (LAN1 - LAN4)
on the back of the router and the other end in the PC's Ethernet network card. The four
LAN sockets can automatically set the transmission speed to 10
100 Mbps Fast Ethernet and the transmissions mode to
depending on the performance of the network adapter in your PC.
PC with
Ethernet card
16
Notebook
with Ethernet card
Mbps Ethernet or
Half duplex or Full duplex