Denon DN-500AV Owner's Manual page 96

IP Control (Ethernet)
You will be able to perform the three control functions from the host by connecting an Ethernet cable to
the ethernet connector (Connector type:RJ-45 (10BASE-T/100BASE-TX).
n Communication format
• Communication system: A full duplex
• Communication speed: 10 Mbps/100 Mbps
• Communication port: TCP port 23 (telnet)
• Communication data length: 135 bytes (maximum)
n Connections
Connecting the unit and host directly
Host
BD
Ethernet cross
cable
Connecting the unit and host via a hub
Host
Ethernet
straight cable
90
Hub
Ethernet
straight cable