Ebyte E90-DTU User Manual
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Chengdu Ebyte Electronic Technology Co,;Ltd E90-DTU (900SL30-GPRS) user manualCopyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd 82 Quick start2.1 Hardware preparation and communication testingBefore the test, connect the power supply, USB cable, SIM card (insert the gap outwards), antenna and otherhardware according to the recommended circuit. If the power cable is successfully connected, the PWR indicator willalways be on.E90-DTU (900SL30- GPRS) device and E22-900TXXS module 5V—20V Power adapterUSB switch to TTL module and USB wire GPRS/LTE Sucker antennaComputer browser visit Chengdu Ebyte official website: www.ebyte.com, download the latest E90-DTU(900SL30-GPRS) series product configuration tools, E22 series product configuration software and serialassistant (this article USES XCOM), install USB 232/485 driver, run the software!1. After connecting the E22-900TXXS module with the USB-to TTL module, open the officially provided E22configuration tool and select the corresponding COM number. If the COM number cannot be selected, checkwhether the serial driver is installed correctly. |
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