Ebyte E90-DTU 230SL22-GPRS, Руководство пользователя

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Chengdu Ebyte Electronic Technology Co,;Ltd E90-DTU (230SL22-GPRS) User Manual
Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd 6
No. Name. Function
1 Grounding screw Ground connection
2 DC_IN Power adapter interface, power supply range 8~28V, recommended 12V/24V
3 DC_IN- Power reference ground
4 DC_IN+ Power input, power supply range 8~28V, recommended 12V/24V
5 Reset System reset button, long press time no requirement
6 USB
Micro USB
：
parameter configuration interface
7 Reload Press 4~10s to restore the factory Settings
8 PWR Red: power indicator
9 WORK Yellow: data transmission indicator light; The light flashes when there is data
transmission
10 LINK Yellow: network indication, always on after net
11 NET
4 G/GPRS antenna interface (SMA - K external thread hole, 50 Ω characteristic
impedance)
12 SIM SIM card slot
13 RF RF antenna interface (SMA - K external thread hole, 50 Ω characteristic impedance)
Note: it is recommended to connect the housing with the earth through grounding screws.