Citizen CT-S4500 Mode D'emploi page 22

Rear connectors (serial interface example)
1. USB interface
2. USB power supply connector
Supplies power to USB devices.
3. Cash drawer kick-out connector
Connect to the cable from the cash drawer.
4. DC jack
Connects to the included AC adapter.
5. Power switch
Turns the printer power supply on and off.
6. USB cable clamp attachment holes
USB cable clamps can be attached.
7. Ground wire attachment screw
Screw in the ground wire from the drawer to attach it.
8. Interface connector (serial, USB, etc.)
Connect to the interface cable.
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