Citizen CT-E301 Mode D'emploi page 23

Rear connectors
4 2 3
1: Serial connector
2: Cash drawer kick-out connector
Connect to the cable from the cash drawer.
3: Power connector
Connect to the AC adapter cable.
4: USB connector
5: Ethernet connector
6: Panel button
The current configuration information can be printed.
For details, refer to "Ethernet (LAN) Interface" in Section 3.3.
USB
– 23 –
4 2 3 5 6
USB+serial+Ethernet
Refer to 3.3 Ethernet (LAN) Interface
1