QMS Crownnet Setup Manual page 16

Twisted-pair Ethernet connections use RJ45 connectors.
RJ45 Port
1 Turn off the printer, and unplug the power cord.
2 Connect one end of the twisted-pair Ethernet cable to the
RJ45 port on the CrownNet interface.
3 Connect the other end of the cable to the 10BaseT/
100BaseTX concentrator.
4 Plug in the printer, and turn it on.
5 Go to "Software Installation" on page 17.
10BaseT/100BaseTX concentrator
RJ45
Connector