USR-800-42 User Guide
h.usriot.com
J
inan USR IOT Technology Limited
www.usriot.com
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Band rate: 300~115200bps; Do not support user-defined
Serial port means RS232 port (TXD, RXD,GND), not support hardware flow control
Work as TCP server, can connect with max 128 TCP client
Default packing time: 50ms; Packing length: 1460 bytes; User can not revise them.
3.6.Reset Button
This button is only used for restore factory setting.
Press more than 5s and then release it, router will restore factory setting and restart automatically
Restart moment, all indicating lights will shine for 1s and then light is off. (Except for indicating light of
power and 4G)
3.7.Indicating Light
There are 8 indicating lights in all, meanings as below
Name
Meaning
Instruction
Power
Power Indicating Light Blink all the time when power on
4G
4G Communication
Not blink without registering to network, blink for
successful when dial up access.
WLAN
WIFI Indicating Light
Blink all the time with successful starting of WIFI
Twinkle when STA connection or data transmitting
WAN
WAN port Indicating
Light
Blink all the time when WAN cable connected;
Twinkle when data transmitting
LAN1
LAN1 port Indicating
Light
Blink all the time when cable connect LAN1 port;
Twinkle when data transmitting
LAN2
LAN2 port Indicating
Light
Blink all the time when cable connect LAN2 port;
Twinkle when data transmitting
LAN3
LAN3 port Indicating
Light
Blink all the time when cable connect LAN3 port;
Twinkle when data transmitting
LAN4
LAN4 port Indicating
Light
Blink all the time when cable connect LAN4 port;
Twinkle when data transmitting
<Note>
No indicating light on the seat of LAN port and WAN port, physical connection of LAN port is indicated by
WAN and LAN1-4 indicating lights
Corresponding WAN/LAN indicating light will twinkle when cable is inserted and the network device on
the other side is also working; It will not blink if only inserting the cable
Power light will blink all the time
