Shenzhen Hongdian Technologies H7920 User Manual

Hongdian Corporation
112
H792x 3G/4G Router User Manual
7.1 Hardware Failure
7.1.1 All LED dark
Phenomenon
Router LED all dark
Possible Reason

Power supply does not match, it should be 5-36VDC

No power supply
Solution

Make sure the power supply is 5～36VDC

Check the power adapter and cable connection
7.1.2 SIM Slot
Phenomenon
Cannot insert SIM card
Possible Reason

SIM slot damaged

SIM card wrong direction
Solution

SIM slot damaged, please contact us to repair

Check the SIM card direction, please make sure the SIM card is inserted correctly
7.1.3 Ethernet Connection
Phenomenon
LAN LED dark, cannot visit router WEB GUI
Possible Reason

Ethernet cable connection problem

Ethernet cable damage

PC end network card abnormal
Solution

Re-connect Eth ernet cable

Change a Ethernet cable

Check network card setting on PC end

Shenzhen Hongdian Technologies H7920 Specifications

General

Brand	Shenzhen Hongdian Technologies
Model	H7920
Category	Network Router
Language	English