Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(900SL22-4G)Usermanual
Copyright
©
2012
–
2019,
成都亿佰特电子科技有限公司
6
1.5
Interface definition
No.
Item
Description
1
Grounding screw
Connecting to the ground
2
DC_IN
Power adapter interface, power supply range 8-28V, 12V/24V is recommended
3
DC_IN-
Power reference ground
4
DC_IN+
Power supply input, power supply range 8-28V, 12V/24V is recommended
5
Reset
System reset button
6
USB
Micro USB: Parameter configuration interface
7
Reload
Restore factory settings button, long press 4~10s to take effect
8
PWR
Red: Power supply indicator
9
WORK
Yellow: Data transmission indicator; flashing when there is data transmission
10
LINK
Yellow: Network indicator, the light is always on after entering the network
11
NET
4G/GPRS antenna interface (SMA-K, 50Ω impedance)
12
SIM
SIM card slot
13
RF
RF antenna interface (SMA-K, 50Ω impedance)
Note: It is recommended to connect the case to the ground with a grounding screw.
Summary of Contents for 230N37
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