Hongdian H7921/H7920 Basic 3G/4G Router - Manual (Page 9)

H792x 3G/4G Router Content
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7.3 Hardware Failure..............................................................................................................................................88
7.3.2 All LED dark............................................................................................................................................. 88
7.3.3 SIM Slot...................................................................................................................................................88
7.3.4 Ethernet Connection...............................................................................................................................88
7.3.5 Antenna Connection............................................................................................................................... 89
7.4 Dial Online Problem......................................................................................................................................... 89
7.4.2 Dial discontinue...................................................................................................................................... 89
7.4.3 No Signal................................................................................................................................................. 89
7.4.4 Cannot find SIM/UIM card......................................................................................................................90
7.4.5 Poor Signal.............................................................................................................................................. 90
7.4.6 Compress Protocol not match................................................................................................................ 90
7.5 VPN Problem.................................................................................................................................................... 91
7.5.2 VPDN cannot connect.............................................................................................................................91
7.5.3 VPN cannot communicate...................................................................................................................... 91
7.5.4 Router can communicate but subnet cannot......................................................................................... 91
7.6 WEB config problem........................................................................................................................................ 92
7.6.2 Updating firmware failure.......................................................................................................................92
7.6.3 Updating patch failure............................................................................................................................ 92
7.6.4 CFE Updating failure............................................................................................................................... 92
7.6.5 Update failure in WEB GUI......................................................................................................................93
7.6.6 Forget Router Password..........................................................................................................................93