Citizen CT-E601 User Manual page 47

Connecting a Peripheral Device
1. Turn off the power.
2. Connect the cable of a peripheral device to this port.
Notes
A peripheral device cannot be controlled if it is connected to the USB power supply port.
Be sure to connect it to the USB port of the interface board.
Connecting the wireless LAN adapter
1. Turn off the power.
2. Connect the wireless LAN adapter to the connector.
Notes
The wireless LAN cannot be used when connected to the USB power supply connector.
Be sure to connect it to the USB connector on the interface board.
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