Kyocera FS-C5020N Basic Operation Manual page 38

Machine Parts
2-6
6
Option Interface Slot (Network/Serial)
This slot can be used to hold the optional network interface card,
a hard disk or the serial interface board kit. For details, see the
Options section of the Advanced Operation Guide.
7
Parallel Interface Connector
This connector is for a standard Centronics parallel interface
cable from the computer. Connect this connector to the
computer's parallel port.
8
Network Interface Connector
Connects to the network via a 10BASE-T/100BASE-TX network
cable.
BASIC OPERATION GUIDE