Hongdian H7921/H7920 Basic 3G/4G Router - Manual (Page 65)

H92x 3G/4G Router 7 FAQ
Version (2014-05-28) 7 -31
Parameter Details Operation
of DTU serial port
Default: 115200
Parity Set the data parity Select from the dropdown list,
according to the practical settings
of DTU serial port
Value: None, Old ,Even
Default: None
Databit Set the data transfer bit Select from the dropdown list,
according to the practical settings
of DTU serial port
Value: 5,6,7,8
Default: 8
Stopbit Set the data stop bit Select from the dropdown list,
according to the practical settings
of DTU serial port
Value: 1,2
Default: 1
Step 6 Single click “save” icon to finish “DTU” configuration,
DTU will start to work when modem is online if it is enabled.
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5.4 Security
5.4.2 Overview
“Security” will control where the data can pass through by analyzing IP address and port of
ICMP, TCP/IP package from the destination end or source end. H792x 3G/4G router supports
IP filter, domain filter and MAC filter.
5.4.3 Configuration
IP Filter
IP filter refers to judgment whether to allow router to forward the data according to filter rules,
thus to manage internet surfing of PC in LAN. IP filter is used to allow part of PCs in LAN to
visit external WAN network or forbidden some PCs from visiting specific website.
Step 3 Log-on WEB GUI of H792x 3G/4G router.
Step 4 Click “Security > IP Filter” to open “IP Filter” tab.