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3Jtech G2wifi III_USBx4, User Manual

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G2wifi III_USB x 4 User’s Guide   

Copyright of 3JTech Co., Ltd. (also doing business as A3J Engineering Inc.) 

21 

 

3.1.3 DHCP Client 

In this section, you can see clearly which devices are currently leasing IP addresses that you had 

defined for the DHCP Server‘s allocation of addresses to computers and devices on your Local Area 

Network.

 

 

 

 

 

 

 

 

 

 

 

Host Name: 

A name for each computer or device that is given an IP address by the DHCP 

Server. This may help you keep track of which computers are assigned this way.   

 

MAC Address: 

A MAC address is usually located on a sticker at the bottom of a network 

device. The MAC address is comprised of twelve digits. Each pair of hexadecimal digits are 

usually separated by dashes or colons such as 00-0D-88-11-22-33 or 00:0D:88:11:22:33.   

 

IP Address: 

The

 

address which is obtained from the DHCP Server.

 

 

Expires in: 

The remaining time of the IP address’s lease. A specific LAN device no longer 

needs the leased IP address when the time ends up, and this device will also free the IP 

address it had leased. 

 

 

 

 

 

Summary of Contents for G2wifi III_USBx4

Page 1: ...G2wifi III_USB x 4 User s Guide Version 1 1 Date April 28 2014 3JTech Co Ltd 2F No 342 Fu Shing N Rd Taipei Taiwan Tel 886 2 2500 6916 e mail info 3jtech com tw ...

Page 2: ... doing business as A3J Engineering Inc 2 Revision History Version Date Changes 1 0 09 18 2013 First Release of G2wifi III_USB x 4 User s Manual 1 1 04 28 2014 Add the description of new functions upon the firmware ver 10 0 2 7 and modify the 3G PPP Status LED description as well as pictures for G2wifi III_USB x 4 ...

Page 3: ...anel 9 2 2 ILLUSTRATION 10 2 2 1 Front Panel Information 11 3G ANT SMA Connector 11 SIM Card Slot 11 Power Supply Connector 11 WAN Port 11 LAN Network Connectors 11 USB 1 USB 3 Connectors 11 RESET Button 11 2 2 2 Rear Panel Information 11 LEDs 11 2 2 3 LED Description on the Rear Panel 12 CHAPTER 3 WEB BASED MANAGEMENT 13 3 1 INTERNET SETTINGS 15 3 1 1 WAN 15 3 1 1 1 Static Fixed IP WAN Mode 16 3 ...

Page 4: ... 2 2 2 WEPAUTO WEP Mode 33 3 2 2 3 WPA PSK WPA2 PSK Mode 35 3 2 3 Station List 37 3 2 4 Wireless Statistics 38 3 3 FIREWALL SETTINGS 39 3 3 1 MAC IP Port Filtering Settings 39 3 3 2 Port Forwarding Settings 41 3 3 2 1 Create a Port Forwarding 41 3 3 3 DMZ Settings 44 3 3 4 System Security Settings 45 3 4 MANAGEMENT 47 3 4 1 System Management 47 3 4 2 SIM Card Control 50 3 4 3 SMS Sending Receiving...

Page 5: ...with a WAN port and multiple cellular modems is the perfect option to connect a small group of PCs to a high speed broadband Internet connection or to an Ethernet backbone Configurable as a DHCP server G2wifi III_USB x 4 acts as the only externally recognized Internet device on your local area network LAN The G2wifi III_USB x 4 also serves as an Internet firewall to protect your network from being...

Page 6: ...tures Password protected configuration access User authentication PAP CHAP for PPP connection y Wireless Features Support 802 11b g 802 11n draft 3 0 Wireless Access Point Support 128 Bit and 64 Bit WEP encryption WPA PSK WPA2 PSK y Security Support packet inspection and filtering Intrusion detection and protection Password protected system management y Ethernet Interface Compliant with IEEE 802 3...

Page 7: ...Guide Copyright of 3JTech Co Ltd also doing business as A3J Engineering Inc 7 1 3 Package Contents 1 x G2wifi III_USB x 4 1 x RJ45 Ethernet Cable External 3G Antenna with 3M Antenna Cable 3G USB Dongle Optional 1 x Power Adapter 1 x CD with this User s Manual Quick Setup Guide ...

Page 8: ...ormation contains the physical description of the G2wifi III_USB x 4 This includes the functions and the locations of each connector and indicator This information provides useful reference when installing the product Please familiarize yourself with the G2wifi III_USB x 4 2 1 Panels 2 1 1 Front Panel For more related description please refer to the Section 2 2 and Section 2 2 1 1 2 7 4 5 3 6 ...

Page 9: ...tp www pnpipcameras com G2wifi III_USB x 4 User s Guide Copyright of 3JTech Co Ltd also doing business as A3J Engineering Inc 9 2 1 2 Rear Panel For more detailed description please refer to the Section 2 2 and Section 2 2 2 8 ...

Page 10: ...II_USB x 4 and the power adapter Refer to Section 2 2 1 for front panel information 4 WAN Port For the access of Internet Refer to Section 2 2 1 for front panel information 5 LAN Network Connectors To connect to the device and Ethernet port via RJ45 cable Refer to Section 2 2 1 for front panel information 6 USB 1 USB 3 Connectors To externally connect with the 3G dongle s Refer to Section 2 2 1 fo...

Page 11: ...ernet LAN Network Connectors G2wifi III_USB x 4 is designed for 10 100Mbps Ethernet networks G2wifi III_USB x 4 connects to the network via category 5 cable USB 1 USB 3 Connectors Plug the 3G USB dongle for the load balance Note Please plug the 3G USB dongle when the router is powered off RESET Button Support the hardware reset function Press this button 2 seconds around and the settings of the de...

Page 12: ...ransmitting Off when the WiFi function is disabled LAN Link Yellow Lit when the cable connection with device exists Flash when the data is transmitting Off when no cable connection exists WAN Link Yellow Lit when the cable connection with device exists Flash when the data is transmitting Off when no cable connection exists Pick Up Hang Up N A Not Supported 3G PPP Status Yellow Lit when 3G dialup i...

Page 13: ...2wifi III_USB x 4 After the G2wifi III_USB x 4 has been connected to your PC via RJ45 network cable type http 10 10 10 254 in IE browser it will show the following screen and ask you to input the user name and password in order to login and access authentication The default user name and the password are both admin For the first time to use please enter this default user name and the password then...

Page 14: ...to configure the system As the figure below shows for example left section is the whole function tree with web user interface while each of main functions including INTERNET SETTINGS WIRELESS SETTINGS FIREWALL and MANAGEMENT is selected By means of the hyperlink of Status Statistic or Management in this root setup page you can directly jump to the related pages if you would like to realize the bas...

Page 15: ...ired parameters Note If using the PPPoE option you will need to ensure that any PPPoE client software on your computers is removed or disabled Through the Wan Weight function on this WAN setting webpage you can set up the transmission ratio among the Ethernet WAN and each 3Gs WAN1 WAN2 WAN3 WAN4 WAN5 for the router s load balance Default is 1 1 1 1 1 Note If the external dongle is not connected th...

Page 16: ...Primary DNS Server and Secondary DNS Server Your ISP provides you with all of this information 3 1 1 2 DHCP Auto Config WAN Mode A method of connection where the ISP assigns your IP address when your router requests one from the ISP s server Some ISP s require you to make some settings on your side before your router can connect to the Internet Hostname Some ISP s may check your computer s hostnam...

Page 17: ...this option This method of connection requires you to enter a User Name and Password provided by your Internet Service Provider to gain access to the Internet Operation Mode Typically connections are not always on The router allows you to set the reconnection mode The setting is Keep Alive A connection to the Internet is always maintained When this option is selected please enter a value in the fi...

Page 18: ...n your USB1 USB2 USB3 hardware configuration on G2wifi III_USB x 4 sequentially set up these cellular modems See the figure below 2G 3G ISP Settings Your 2G 3G service provider will provide you with the values to fill in for the required fields of Access Point Name APN Gateway PPP User Name PPP Password and Dial Number Dial Number The 2G 3G dial command Default is 99 Authentication Mode The mode f...

Page 19: ...if you do not have an existing network IP Address The IP address of your router s LAN port Default 10 10 10 254 Subnet Mask Subnet Mask of your LAN default 255 255 255 0 All devices on the network must have the same subnet mask to communicate on the network DHCP Type DHCP stands for Dynamic Host Configuration Protocol The DHCP section is where you configure the built in DHCP Server to assign IP ad...

Page 20: ...ddress Specify the DHCP Client IP address that will end Note The number of the End IP must be greater than Start IP and cannot be the same as the router s IP address DHCP Lease Time Designate the amount of the time for the device to recycle and give out the IP addresses to the devices in your network default 86400 Statically Assigned You can statically assign the client MAC and IP address Up to th...

Page 21: ...s given an IP address by the DHCP Server This may help you keep track of which computers are assigned this way MAC Address A MAC address is usually located on a sticker at the bottom of a network device The MAC address is comprised of twelve digits Each pair of hexadecimal digits are usually separated by dashes or colons such as 00 0D 88 11 22 33 or 00 0D 88 11 22 33 IP Address The address which i...

Page 22: ...ng the public network such as Internet Through VPNs the user is able to access resources on remote networks for example files printers databases internal websites and so on To select the desired VPN just pull down the list of VPN Connection Type and then click on the Apply button You may refer to the following description of parameters to set up your VPN 3 1 4 1 L2TP VPN L2TP Layer Two Tunneling P...

Page 23: ... will provide the value of this parameter Operation Mode Typically L2TP connections are not always on The router allows you to set the reconnection mode The setting is Keep Alive A connection to the Internet is always maintained When this option is selected please enter a value in the field of Redial Period which is the time interval the machine will be redialed before the L2TP connection is disco...

Page 24: ...nter a User Name and Password provided by your Internet Service Provider to gain access to the Internet Server IP The IP address of the PPTP server The ISP will provide the value of this parameter Operation Mode Typically PPTP connections are not always on The router allows you to set the reconnection mode The setting is Keep Alive A connection to the Internet is always maintained When this option...

Page 25: ...ss of the remote VPN host GRE Gateway Subnet Mask The IP address and subnet mask of GRE VPN Gateway for the router The valid range for Subnet Mask is 8 32 Please note that this GRE VPN gateway IP address should not be selected to match or collide with the WAN or LAN IP addressing GRE Remote Network Address Subnet Mask Set up the remote router LAN Network Address Subnet Mask The valid range for Sub...

Page 26: ...mplete Destination The IP address of packets that will take this route Range Includes Host and Net options When selecting Net there is another Netmask column that needs to be filled out Netmask The bits in the mask specify which bits of the IP address must match Gateway The gateway for the routing Interface Specifies the interface LAN or WAN that the IP packet must use to transit out of the router...

Page 27: ... use the wireless security mode to configure the wireless security features This device supports three wireless security modes including WEP WEPAUTO WPA PSK and WPA2 PSK WEP is the original wireless encryption standard WPA provides a higher level of security In WPA encryption it supports TKIP or AES of WPA PSK WPA2 PSK 3 2 1 Basic Wireless Settings Through the basic wireless setting page the user ...

Page 28: ...SID When you are browsing for available wireless networks this is the name that will appear in the list unless you set it to Hidden see below This name is also referred to as the SSID For security purposes it is highly recommended to change from the pre configured network name Default is default Hidden The option allows you to hide your wireless network When this option is unchecked your wireless ...

Page 29: ...ble Frequency Channel A wireless network uses specific channels in the 2 4GHz wireless spectrum to handle communication between clients Some channels in your area may have interference from other electronic devices Choose the clearest channel to help optimize the performance and coverage of your wireless network If you select AutoSelect the router automatically finds the channel with least interfe...

Page 30: ...e refer to the table below which shows the relationship among Phy data rate Bandwidth and Guard Interval Guard Interval The 11n device inserts the Guard Interval into the signal You can choose the interval between Long and Auto This option affects the Phy data rate of radio For more details please refer to the table below MCS It means Modulation Coding Scheme The available options are Auto 0 1 15 ...

Page 31: ...ct channel 2 or channel 10 as the extension channel Choose the unused channel as the extension channel Aggregation MSDU A MSDU The multiple HT packets can be transmitted with single ACK reply packet Enable it to apply this function and reduce the network congestion Auto Block ACK It is another aggregation technique which prevents sending ACK in the communication to increase the throughput If this ...

Page 32: ...D you had created for this router in the Wireless Settings Æ Basic setting page from the SSID Choice pull down list There are 4 encryption modes including Disable WEPAUTO WEP WPA PSK and WPA2 PSK offered for your selection Please also pull down the Security Mode list and select the desired mode for your router s wireless security For more details about the setup in these different modes please ref...

Page 33: ...defined by entering in a string in HEX hexadecimal using characters 0 9 A F a f or ASCII American Standard Code for Information Interchange alphanumeric characters format ASCII format is provided so you can enter a string that is easier to remember The ASCII string is converted to HEX for use over the network Example 64 bit hexadecimal keys are exactly 10 characters in length 12345678FA is a valid...

Page 34: ...td also doing business as A3J Engineering Inc 34 WEP Keys Select ASCII or Hex from the pull down list to set up the key value ASCII American Standard Code for Information Interchange is a code for representing char as numbers from 0 127 Hexadecimal digits consist of the numbers 0 9 and the letters A F a f ...

Page 35: ...or Information Interchange format or 64 digits in HEX format at both ends of the wireless connection When inputting ASCII strings it cannot be shorter than eight characters although for proper security it needs to be of ample length and should not be a commonly known phrase This phrase is used to generate session keys that are unique for each wireless client WPA Algorithms Mark the option to enabl...

Page 36: ...Engineering Inc 36 Key Renewal Interval Enter a value to set up the WPA key renewal interval The device regenerates the key in every interval seconds that you have setup without disconnection The WPA Algorithm will regroup the key for a period The default value is 3600 seconds and you can adjust the time interval Valid Range 0 4194303 ...

Page 37: ...ness as A3J Engineering Inc 37 3 2 3 Station List From the list of Station you can see which devices are currently connecting to your G2wifi III_USB x 4 in the wireless way through the MAC address You also can have a clear realization of status including Aid PSM MimoPS MCS BW Bandwidth SGI and STBC for each Wifi connection ...

Page 38: ... Count Display the transmitted number of the retry packets Tx Fail after retry Display the transmitted number of the unsuccessful packets after retry RTS Successfully Receive CTS Display the transmitted number of RTS Request To Send packets which receive CTS Clear To Send packets successfully RTS Fail To Receive CTS Display the transmitted number of RTS Request To Send packets which receive CTS Cl...

Page 39: ...s The router could filter the outgoing packets for security or management consideration You can set up the filter against the IP addresses to block specific internal users from accessing the Internet The firewall could not only obstruct outside intruders from intruding your system but also restricting the LAN users Port filter restricts certain type of data packets from your LAN to Internet throug...

Page 40: ...ce MAC address Fill out the MAC address that you wish to filter Dest IP Address Fill in the destination IP address that you wish to filter Source IP Address Fill in the source IP address that you wish to filter Protocol Select the protocol type of TCP UDP or ICMP Dest Port Range Fill in the destination port range that you wish to filter Source Port Range Fill in the source port range that you wish...

Page 41: ...2 1 Create a Port Forwarding In this section you can add a new port forwarding to the port forwarding table below or delete an existing entry from this table Port Forwarding Enable Disable the function of Port Forwarding IP Address Fill in the IP address of your LAN Server Port Range Fill in the port range that you wish to filter Protocol Select the protocol type including TCP UDP or TCP UDP used ...

Page 42: ...Virtual Server you define a public port on your router for redirection to an internal LAN IP Address and LAN port For Example You are hosting a Web Server on a PC that has LAN IP Address of 10 10 10 50 and your ISP is blocking Port 80 1 Enter the IP Address of the machine on your LAN for example 10 10 10 50 2 Enter the Public Port as 8888 3 Enter the Private Port as 80 4 Select the Protocol TCP 5 ...

Page 43: ... be accessed from the Internet Private Port The port that will be used on your internal network Protocol Select the protocol type including TCP UDP or TCP UDP used by the service Comment Input any text to describe this mapping Up to 16 alphanumerical characters can be filled in Virtual Server Mapping List After completing the above settings please click on the Apply button The entry of Virtual Ser...

Page 44: ...mputer in the DMZ may expose that computer to a variety of security risks Use of this option is only recommended as a last resort DMZ Settings Enable Disable the function of DMZ DMZ IP Address Specify the IP address of the computer on the LAN that you want to have unrestricted Internet communication If this computer obtains its address automatically using DHCP then you may want to make a static re...

Page 45: ...llowing system security settings you can protect the router itself from being attacked scanned or intruded Remote management via WAN Allow or Not Allow the user to log in the system with the WAN IP Ping from WAN Filter Enable Disable the function of Ping from WAN Filter If the function is enabled the system will reject to response the ICMP ping packets coming from the WAN Block port scan Enable Di...

Page 46: ...f 3JTech Co Ltd also doing business as A3J Engineering Inc 46 SPI Firewall SPI stateful packet inspection also known as dynamic packet filtering helps to prevent cyberattacks by tracking more state per session It validates that the traffic passing through that session conforms to the protocol ...

Page 47: ...em Management You may configure language administrator s account and password NTP and DDNS settings here Language Settings Select the language which you would like Currently only English is included Administrator Settings Modify the account and password to set up and manage the G2wifi III_USB x 4 The default settings for administrator are as follows Username admin Password admin ...

Page 48: ...ed NTP server as well as Time Zone the router will sync the time immediately after pressing the Apply button NTP Synchronization Though it synchronizes the time automatically NTP does not update the time periodically without user s processing You can set up the time interval Valid range 1 300 hours to have the assigned NTP server do the synchronization of time for your router DDNS Dynamic DNS Sett...

Page 49: ...f 3JTech Co Ltd also doing business as A3J Engineering Inc 49 Note After configuring Super Modem III for dynamic DNS you can open a browser and navigate to the URL for your domain for example http www mydomain info and Super Modem III will attempt to forward the request to port 80 on your LAN ...

Page 50: ...tect automatically the current limit times of PIN code and PUK input for your SIM card If the remaining times of PIN code input are less than 3 times the system will stop all related functions You should configure the PIN code of the SIM card on this web setting page and enter the correct PIN code again before the reboot of the device Note 1 The wrong input of PIN code and PUK in the following set...

Page 51: ... inserted into the router Once the times exceeds 3 times the SIM card will be locked Remaining attempts to enter PUK It shows the remaining times that you are allowed to input the PUK for the SIM card inserted into the router Once the times exceeds 10 times the SIM card will be useless Automatic PIN CODE insertion on boot Decide that whether to use the value filled in the field of Type the PIN COD...

Page 52: ...ly after you press the Apply button You also can realize whether this change is successful or not from the message returned by the system in the pop up window PIN Unlock As we had mentioned above the SIM PUK status displayed in the field of SIM Card Status in the Information Table it means that the SIM card is locked To unlock the SIM card you should enter the correct PUK in the PUK field of this ...

Page 53: ...hat will receive the message edited by the user Content The text of the message that the user would like to send out Up to 160 characters can be filled in Valid letters are A Z a z 0 9 characters as well as the symbols shown on the keyboard Please note that it will only accommodate 70 characters if any Chinese is included In Box The folder of all SMS s that had been sent to the phone number of SIM...

Page 54: ...er s Guide Copyright of 3JTech Co Ltd also doing business as A3J Engineering Inc 54 Delete To remove any SMS s from the folder of In Box Sent Box Just click on the checkbox in front of the desired SMS s and press this button the selected SMS s will be deleted immediately ...

Page 55: ...ails on the ACS please refer to our ACS Administrator s User Manual URL of ACS Server For G2wifi III_USB x 4 s access of TR 069 service from ACS through the web browser please fill in the path in which the ACS is built For example http 61 56 193 38 8080 openacs acs Enable Activate Deactivate G2wifi III_USB x 4 s TR 069 functionality Interval Time of Periodic Inform Settings Enter a value to set up...

Page 56: ...via the Browse button and click on the Apply button when it is completed When the upload is finished the router will start upgrading software A reboot message will be prompted after completing upgrading software At this time you must reboot the router to have the new software worked If your upload is unsuccessful an error message will be shown in the webpage and it will not upgrade the software as...

Page 57: ...e RESET button on the front panel of the router It will take about 30 60 seconds to complete the system boot Export To export the current settings stored in the flash to a config file just press the Export button Import Import the config file into your router Specify the filename and directory where the file is located via the Browse button and press the Import button when completed Factory Defaul...

Page 58: ...ess as A3J Engineering Inc 58 3 4 7 Status In the Status page it tells you the basic information of the system You can check the device status including the firmware version system up time WAN Local IP address MAC address and so on They will be refreshed per 3 seconds With these information it is helpful while malfunctioning ...

Page 59: ...er s Guide Copyright of 3JTech Co Ltd also doing business as A3J Engineering Inc 59 3 4 8 Statistic G2wifi III_USB x 4 offers the counter function to collect all counting information about the memory status and all interfaces receiving transmitting packets of this router ...

Page 60: ...J Engineering Inc 60 3 4 9 System Command G2wifi III_USB x 4 also provides the user with a useful tool for router debug For example if you would like to show route set on router just input ip route show into the field of Command and click on the Apply button To repeat the command last used you can click on Repeat Last Command button ...

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