GL-MiFi technical specification
5
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11
3.3
IO mapping table
IO remark
Default function
Description
GPIO11
Network Reset /
Device Reset button
Input function. Default official firmware by 3s or more,
restore the network settings; press 8 seconds or more, the
device will be restored to factory settings.
GPIO16
LAN indicator
Output function. The default official firmware indicates
the LAN status. With Ethernet cable, light on; without
Ethernet cable, light off; when the data transmitted by
LAN, light flashing;
GPIO27
WAN indicator
Output function. The default official firmware indicates
the WAN status, with Ethernet cable, light on; without
Ethernet cable, light off; when the data transmitted by
WAN, light flashing;
GPIO1
Wireless signal
indicator
Output function. The default official firmware indicates
the WIFI signal. WiFi off, light off; WiFi on, light on;
Wireless access, light flashing;
GPIO0
3G/4G indicator
Output function. The default official firmware indicates
the 3G / 4G signal. 3G/4G disconnecting, light off; 3G/4G
connecting, light on; when the data transmitted by 3G/4G,
light flashing;
GPIO6
USB power supply
Input function. The default official firmware uses this
GPIO to control the USB power supply. Setup high level,
USB stops power supply, USB stops working; Setup low
level, USB restore power supply, USB restore working.
GPIO7
PCIE power supply
Input function. The default official firmware uses this
GPIO to control the PCIE power supply. Setup the high
level, through the PCIE connection of the Internet module
to stop power supply, the module stops working, Setup
the low level, through the PCIE connection of the Internet
module to restore power supply, the Internet module to
work.
The rest of GPIO
Reserved GPIO
The default official firmware doesn’t develop its function,
it can be customized by customers.