1. Connect the MDB harness cable to the back of the terminal. This cable connects the terminal to the power supply, and optionally to the audio output device.
You can't use the MDB harness cable to connect the Ethernet cable. You need to connect it directly into the terminal between the MDB slot and the SIM/SAM card slots.
2. Connect the cellular communication antenna cable to the top antenna slot. To boost the signal, you can also connect two antennas.
3. If your use case requires it, connect your self-service device to the S1U2 using the USB-A or USB-C slots on the back.
The S1U2 terminal now starts up.
S1U2 - Table of Contents
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