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MR-900T 4G Router
User Manual
eTung Technology Co. Ltd
305 Gengfang Plaza, Jia 13 Huayuan Road, Haidian Dist. Beijing
TEL:4008-909-611 FAX:010-64857815
Website: www.etungtech.com.cn
Copyright © 2005-2017 ALL RIGHTS RESERVED

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  • Page 1 MR-900T 4G Router User Manual eTung Technology Co. Ltd 305 Gengfang Plaza, Jia 13 Huayuan Road, Haidian Dist. Beijing TEL:4008-909-611 FAX:010-64857815 Website: www.etungtech.com.cn Copyright © 2005-2017 ALL RIGHTS RESERVED...
  • Page 2 MR-900T User Manual This manual applies to the following router models, and the corresponding networks supported by the models are listed in the table below: Model Network MR-900T-W 5 kinds of network standards, support China Mobile and China Unicom’s 2G/3G/4G networks, and China Telecom’s 4G network...
  • Page 3: Table Of Contents

    ................................43 Appendix 4: eYun Vircom Testing Case ................. 48 Appendix 5: Use MR-900T to Access LAN Remotely via VPN ........53 Appendix 6: APN Network Testing Case ................57 Appendix 7: Send/Receive SMS with the Router’s Ethernet Interface and SMS Format ..............................
  • Page 4: Product Introduction

    8. Typical Usecases 1.1 Brief Introduction MR-900T is a high speed 4G router. It works in LTE-TDD/LTE-FDD 4G networks, and can access internet and transfer video and data with high speed. In LTE-TDD network, in theory the uplink speed can reach 18Mbps, and downlink speed can reach 61Mbps;...
  • Page 5: Product Outlook

    MR-900T can connect quickly with web camera, video server, PLC and IPC, and transfer data from the customer device that connects with MR-900T to a host in the internet, so as to transfer data remotely and transparently. MR-900T can be widely used in industries such as banking, road transportation, power system, environment protection and industrial controlling.
  • Page 6: Standard Accessories

    MR-900T User Manual Indication Lights (Console) Reset to Default Button Antenna SIM Card Slot Installation Handle Figure 1-2: MR-900T side view 2 1.3 Standard Accessories Figure 1-3: 4G all frequency sucking antenna...
  • Page 7 MR-900T User Manual Figure 1-4: Cross cable Figure 1-5: 9-pin and 9-hole direct serial line...
  • Page 8 MR-900T User Manual Figure 1-6: Power supply...
  • Page 9: Dimension

    MR-900T User Manual 1.4 Dimension Figure 1-7: MR-900T dimension with shell...
  • Page 10: Working Mechanism

    1.5 Working Mechanism Figure 1-8: MR-900T working mechanism MR-900T connects to PC with a cross cable. After power on it dials via 4G wireless network and connect to the internet, then PCs can share the internet via MR-900T, and access the application server.
  • Page 11: Indicator Light Description

    MR-900T User Manual MR-900T-W: TDD-LTE Band 38/39/40/41 FDD-LTE Band 1/3/5 TD-SCDMA Band 34/39 HSPA+ Band 1/5 UMTS Band 1/5 GSM 850/900/1800/1900MHz MR-900T-C: TDD-LTE Band 38/39/40/41 FDD-LTE Band 1/3 TD-SCDMA Band 34/39 HSPA+ Band 1 UMTS Band 1 GSM 850/900/1800/1900MHz CDMA 1x/EVDO 800MHz ...
  • Page 12: Serial Port Definition

    Table 1-2: MR-900T user serial port pin definition 1.7 Technical Advantages eTung 4G router takes the leading role in the industry not only from hardware industrialization, design rationality, software convenience and usage flexibility, but also from its reliability. Its technical advantages are easy to see: ...
  • Page 13: Typical Usecases

    MR-900T User Manual 1.8 Typical Usecases Figure 1-9: Access Internet via 3G router Figure 1-10: Use MR-900T Ethernet and serial interfaces at the same time...
  • Page 14 MR-900T User Manual Figure 1-11: Implement virtual LAN via MR-900T’s Virhub functionality (point to center) Figure 1-12: Use MR-900T to access LAN remotely via VPN...
  • Page 15: Device Configurations

    5. Remote Configurations 2.1 Configurations 2.1.1 Preparation  One cross Ethernet cable used to connect MR-900T with PC or customer device;  One 4G all frequency sucking antenna;  One power supply;  One USIM card (for example China Mobile and), that can access internet.
  • Page 16 MR-900T User Manual...
  • Page 17 MR-900T User Manual Figure 2-1: Set IP address as "Automatically obtain IP address"  Open IE browser, input address "http://192.168.1.1" and press Enter;  Input "root" as username and "1234" as password, then press Enter to login web configuration interface and configure the device.
  • Page 18 MR-900T User Manual  It is clear to see each configuration item in the router configuration interface. To change some parameter, click it, modify and then save it, then reboot the router. Keep the default configurations if the router is used only to access internet.
  • Page 19: Configuration Parameters

    MR-900T User Manual 2.2 Configuration Parameters Each configuration menu has multiple parameters, and some of them have sub-menus. Details are described below. Configuration Menu Item Description Show device information, connection Current status and data transfer status. Set user information about dialing into...
  • Page 20: Restore To Default

    Reboot Reboot router Table 2-1: Details of configuration parameters 2.3 Restore to Default According to the description of "Configuring MR-900T", after entering MR-900T configuration interface, select "System Tools" and then "Restore Set". Figure 2-4: Restore to default This can also be done by using the button “Reset to default” on...
  • Page 21 MR-900T User Manual MR-900T. After MR-900T is started, hold the button “Reset to default” with a sharp object, do not release the button until “Online light” flashes two or three times and then always lights, that means the router has been reset to default and is rebooting automatically.
  • Page 22: Firmware Update

     Ask eTung for firmware software  According to the description of "Configuring MR-900T", connect MR-900T with PC via a cross Ethernet cable, input username and password (by default username is root and password is 1234), and login router configuration interface.
  • Page 23 MR-900T User Manual Figure 2-6: Firmware Update  After update is complete the device will reboot automatically, and it will show as in the figure below. Figure 2-7: Update complete...
  • Page 24: Remote Configurations

    MR-900T User Manual 2.5 Remote Configurations SMS commands and remote AT commands can be used on MR-900T to modify configuration parameters remotely. Details are described below: 1. Modify configuration parameters remotely via SMS The SMS to configure MR-900T parameters should follow the format below: SMS password;AT commands...
  • Page 25 MR-900T User Manual AT commands that can be used via SMS are listed and described below: AT+WN=apn,user,passwd,net_mode Configure parameters related to dialling, with reply OK or ERROR. apn: Access point name, this parameter is unused for EVDO device and can be null. write "auto" to ask to select APN automatically.
  • Page 26 2. Change configuration parameters via remote AT commands 1) This method can be used only when enabliing DTU function or virhub function, and MR-900T is shown online in mServer. 2) Method: choose the router in mServer’s console, right-click it and...
  • Page 27 AT+MSERVER=3g.etungtech.com,8080 Click “Send” afterwards, and if successful, a “OK” will show in “CMD Response” on the right side. Then MR-900T will be offline from the original mServer, and connect to the new data center and port.
  • Page 28 MR-900T User Manual reply: OK:sig_quality,net_mode sig_quality: 0-31, bigger value means better signal quality net_mode: GPRS/EDGE/CDMA/TD-SCDMA/UMTS/HSPA/EVDO/TDD LTE/FDD LTE 5) AT+REBOOT Reboot the router, with reply OK. 6) AT+UPDATE=url,md5 Update firmware, with reply OK or ERROR. The reply OK does not mean update is complete, but the command has been received and the update will start.
  • Page 29 MR-900T User Manual 13) AT+SER&BAUD? Query user serial port baud rate, with the following reply: OK:baud Baud: 2400/4800/9600/19200/38400/57600/115200 14) AT+SER&SIZE? Query user serial port data bits, with the following reply: OK:size size: 8/7/6/5 15) AT+SER&PAR? Query user serial port parity, with the following reply:...
  • Page 30 For example: AT+SMSZHUANFA=CXLL,10086,13801234567, means to send an SMS to 10086 to query traffic and then forward the reply to 13801234567. MR-900T V1.4.9 or higher versions additionally support the following remote AT commands: 26) AT+VIRHUB&TAP_IP? Check the remote access IP address via Virhub, with reply: OK:x.x.x.x...
  • Page 31: Appendix 1: Configure Mr-900T For High-Speed Internet Connection

    MR-900T can be directly connected to PC's Ethernet interface to access internet wirelessly, and it can also be connected to a switch or hub so that multiple PCs can share internet access via MR-900T. Below we will illustrate these two kinds of internet access one by one.
  • Page 32 MR-900T User Manual...
  • Page 33 MR-900T User Manual Figure Appendix 1-2: Configure to obtain IP address automatically Or: you can configure a static IP address. Pay attention, the default gateway of MR-900T is 192.168.1.1, the IP address set manually should be same range (192.168.1.2~192.168.1.254), example,...
  • Page 34 MR-900T User Manual Figure Appendix 1-3: Configure a static IP address manually Plug a USIM card (for example China Mobile and) into MR-900T, then after (3) power on, MR-900T will dial automatically; and after dialing is successful, you can browse webpage, and send/receive emails via PC. The dialing status of MR-900T can be checked in the web interface.
  • Page 35 Plug a USIM card(for example, China Mobile and) with internet service into (3) MR-900T, then after power on, MR-900T will dial automatically; and after dialing is successful, you can browse webpage, and send/receive emails via PC. The dialing status of MR-900T can be checked in the web interface. Just...
  • Page 36 MR-900T. Figure Appendix 1-6: 4G router's network connection status MR-900T wireless router has functions such as port forwarding, DMZ host, and DHCP service, so customers can define data forwarding rules on MR-900T as on a generic router.
  • Page 37: Appendix 2: Eyun Virhub Testing Case To Implement Point-To-Center

    MR-900T User Manual Appendix 2: eYun Virhub Testing Case to Implement Point-to-Center Communication Figure Appendix 2-1: eYun and Virhub implement pont-to-center communication The router connects to internet via 4G network, and then establishes connection with eYun server on the internet; on the monitoring center, run virhub software on the PC, and virhub also establishes connection with eYun server.
  • Page 38 Refer chapter 2 Configuration, enter Virhub configuration menu, and select Virhub; input the username applied above, and click "Save", then reboot the router. Figure Appendix 2-3: Enable Virhub function 3. Install Virhub software Ask wireless Virhub v5.x installation package from eTung, install it according to Virhub’s installation guide.
  • Page 39 MR-900T User Manual 4. Login in Virhub and start data transfer 1) Run Virhub and click "Settings", input the username and password applied before. Figure Appendix 2-4: Login Virhub 2) Configure Microsoft Loopback adapter’s IP address: in the “Settings” dialog, we can set Loopback adapter’s IP address in “Loopback Adapter IP Settings”.
  • Page 40 Loopback adapter. 3) Find the device to be tested based on IMEI, click "Add" to add user PC to the virtual LAN of "Customer Device - MR-900T - User PC", then the user PC can communicate directly with the customer device.
  • Page 41 MR-900T User Manual Figure Appendix 2-7: Configure the router’s remote access IP Normally set the two parameters with default values, and they can also be changed on demand. Press “Save” after configuration, and then reboot the router. These two parameters can also be changed/checked via remote AT commands, please refer “2.5 Remote Configurations”.
  • Page 42 MR-900T User Manual access the router remotely Click “OK” after configuration is complete, the software will then set the IP address on the Loopback adapter. 3) Access the router remotely Open browser, and input the router’s remote access IP (192.168.168.1 by default), and then the router’s web configuration page shows.
  • Page 43: Appendix 3: Eyun Virhub Testing Case To Implement Point-To-Point Communication

    MR-900T User Manual Appendix 3: eYun Virhub Testing Case to Implement Point-to-Point Communication Figure Appendix 3-1: Virhub implements point-to-point communication eYun and Virhub can not only implement bi-directional communication between user device and PC at the monitoring center (see Appendix 2: eYun Virhub...
  • Page 44 MR-900T User Manual Access website , apply a Virhub eYun account, and http://3g.etungtech.com then contact technical support to open this account. Figure Appendix 3-2: Apply eYun account 2. Configure IP address for user devices Set the IP address of the two devices in the same IP range, for example: 192.168.10.*, as shown in figure appendix 3-1, 192.168.10.10 and...
  • Page 45 Configure virhub parameters on the next router in the same way. 4. Install Virhub software Ask wireless Virhub v5.x installation package from eTung, install it according to Virhub’s installation guide. Attention: only Virhub v5.6 or higher versions support this function.
  • Page 46 MR-900T User Manual Figure Appendix 3-5: Configure Loopback adapter’s IP address Press “OK” after configuration, the software will set the IP address to the Loopback adapter. 6) Find the device to be tested based on IMEI, click "Add" to add user device to the virtual LAN, then the user devices can communicate each other directly.
  • Page 47 MR-900T User Manual Figure Appendix 3-6: Add Virhub PC to virtual LAN...
  • Page 48: Appendix 4: Eyun Vircom Testing Case

    Appendix 4: eYun Vircom Testing Case MR-900T has one user serial port, so it can be used as a DTU to connect with serial devices, and perform remote and transparent data transmission. eYun platform and Vircom functionality make it easier to implement remote access of serial devices.
  • Page 49 MR-900T User Manual Figure Appendix 4-2: Apply eYun account 2. Configure DTU parameters Refer ch.2 Device Configurations, to login the router’s web configuration interface, choose menu “DTU Function” -> “Simple cfg”, and then set “Main DC IP” as eyun.etungtech.com, and “Main DC Port” as 8080, “Account” as the eYun account applied before;...
  • Page 50 MR-900T User Manual Figure Appendix 4-3: Configure DTU parameters After the configuration is complete, click “Save” and then reboot the router. After a while, it can be seen in Status page that the router has connected to the data center.
  • Page 51 MR-900T User Manual 3. Login Vircom and test communication Run Vircom software, and click “Configure”, then input the username and password applied before. Figure Appendix 4-5: Login Vircom Find the device to be tested via IMEI, and click "Add Mapping" to map this device to a virtual serial port.
  • Page 52 MR-900T User Manual Figure Appendix 4-6: Map virtual serial port in Vircom...
  • Page 53: Appendix 5: Use Mr-900T To Access Lan Remotely Via Vpn

    MR-900T Access LAN Remotely via VPN MR-900T can be used to extend and access the corporate virtual LAN remotely with VPN function, for example, the user can use MR-900T to dial into corporate LAN. But the router in user's corporate LAN should support VPN in this way. We will illustrate below how to implement this kind of network connection with VPN.
  • Page 54 Figure Appendix 5-2: Configure router's VPN function Actually different routers have different configuration interface and options, we can configure it accordingly. 2) Configure MR-900T Login MR-900T's configuration interface, click "VPN function" and configure it as shown in the figure below:...
  • Page 55 Password -- the password configured in the router at corporate LAN side, i.e. the password configured in linksys router before; VPN function -- ON, to enable VPN connection. After all settings are complete, reboot MR-900T. 3) Check dialing status Login MR-900T to check dialing status, as shown in the figure below:...
  • Page 56 For example, if the IP range at the corporate LAN side is 192.168.0.*, then MR-900T should be in other IP range, for example 192.168.1.*. 2) MR-900T and the PC or video server that connects to it should be in the same IP range. MR-900T's default gateway is 192.168.1.1, and if the IP range of the PC or video server that connects to MR-900T need to be 192.168.0.*, then change MR-900T's gateway to the same range, for...
  • Page 57: Appendix 6: Apn Network Testing Case

    Solution 1: Embedded Data Center with APN Network eTung’s wireless routers support APN SIM card, and has embedded data center function. For those small-scale projects with few terminals, use one router as the data center, and dial into APN network;...
  • Page 58 MR-900T User Manual First of all, please order APN SIM cards from operator, and parameters include APN name, PPP username and password, and for the SIM card used by the router there should be a static IP address assigned as well.
  • Page 59 MR-900T User Manual Figure Appendix 6-3: Configure embedded DC in the router After the router reboots and dials up into the APN network, in configuration web page “Status”, we can check the IP address assigned by APN network. Figure Appendix 6-4: Check the IP address acquired from APN network 3.
  • Page 60 MR-900T User Manual TCP that is the same as the transport protocol configured in the embedded data center; then press Enter until Dial Account and Password, set as PPP username and password of the APN SIM card as required. Figure Appendix 6-5: Configure DC address and APN parameters in DTU...
  • Page 61 MR-900T User Manual Figure Appendix 6-6: Configure DTU serial port parameters After configuration is finished, reboot DTU to dial up into APN network, it will then automatically connect to the router’s embedded data center; in the router’s status page, we can see that one device has connected the embedded...
  • Page 62 For large-scale projects with lots of terminals, this solution: mServer connects the router and with APN network can be used. As shown in the figure below, eTung’s wireless router dials into operator’s APN network, and the data center at the back end connects to the router with Ethernet cable;...
  • Page 63 IP address assigned as well. 1) Install and run mServer in the data center server Ask eTung for mServer installer, and install mServer according the user manual. Make sure the firewall software allows accessing mServer from outside.
  • Page 64 MR-900T User Manual Figure Appendix 6-9: Configure mServer 2) Configure APN parameters in the router As step 1 in solution one shows, configure APN parameters in the router’s configuration web page. 3) Configure DMZ host in the router First, connect data center server to the router with Ethernet cable.
  • Page 65 MR-900T User Manual Figure Appendix 6-10: Set static IP address Login the router’s web configuration page, choose “NAT Rule”->”DMZ Host”, then configure DMZ Host IP as the static IP address of the data center server, for example, 192.168.1.100 as configured above.
  • Page 66 MR-900T User Manual Figure Appendix 6-11: Configure DMZ host Click “Save” and then reboot the router. Then data packets received by the router from the outside network will be forwarded to the data center server. 4) Configure data center address and APN parameters in DTU Configure data center address and APN parameters as shown in step 3 of solution one.
  • Page 67 MR-900T User Manual After DTU connects to the data center, the application software at the front end will then be able to communicate with the devices at the far end via virtual serial port (or other ways).
  • Page 68: Appendix 7: Send/Receive Sms With The Router's Ethernet Interface And Sms Format

    Router’s Ethernet Interface and SMS Format MR-900T supports sending/receiving SMSs via Ethernet interface. The method is described below: First, establish a TCP connection with the router’s Ethernet IP (192.168.1.1 by default) and port: 8888; then use command AT+SMS or AT+SMSA to send SMSs.
  • Page 69 CR, then click “send”; if “OK” is shown in box “Edit/Data Log”, that means the command has been sent successfully. NOTE: 1) Currently only MR-900T v1.4.5 or higher version supports sending/receiving SMSs via Ethernet interface. 2) Currently receiving long SMSs is supported, but sending long SMSs is not supported, i.e.
  • Page 70 MR-900T User Manual 1. Using AT command to send short messages 1) Special AT command for sending short messages with ASCII encoding via serial port: AT+SMSA=<target number>,<data length>,<data>\r DTU will send the following reply: \r\nOK\r\n \r\nERROR\r\n Target Number: Phone number to receive the short message Data Length: The actual data length behind Data: The data to be sent, MUST with ASCII encoding.
  • Page 71 MR-900T User Manual 2. The received SMS messages will be output via the serial port in the format below: 1) Format for SMS messages received with ASCII encoding If the content of received SMSs is in ASCII format, the output is in the following format: \r\n+SMSA:<phone number>,<data length>,<data>\r\n...
  • Page 72: Appendix 8: Send/Receive Sms With The Router's Serial Port

    MR-900T User Manual Appendix 8: Send/Receive SMS with the Router’s Serial Port MR-900T supports sending/receiving SMSs via user serial port. The method is described below: 1) Connect PC (or user device) with the router’s user serial port via standard RS232 serial cable;...
  • Page 73 Figure Appendix 8-3: Receive and output SMS via router’s serial port NOTE: 1) Currently only MR-900T v1.6.5 or higher version supports sending/receiving SMSs via user serial port. 2) The router’s user serial port is standard RS232 DB9 female interface, and if the user device’s serial port is also DB9 female interface, use a male-to-male cross...
  • Page 74 MR-900T User Manual 3) Currently receiving long SMSs is supported, but sending long SMSs is not supported, i.e. the length of messages in English cannot exceed 160 characters, and the length of messages in Chinese cannot exceed 70 words. 4) AT commands must end with CR (0x0d), expressed below as “\r”.
  • Page 75: Appendix 9: At Commands On The Router's Ethernet Interface

    Appendix 9: AT Commands on the Router’s Ethernet Interface eTung’s wireless routers support AT commands directly coming from Ethernet interface, to query status, modify parameters, send/receive SMS, etc. The AT commands that a router supports can be different based on different models and different firmware versions.
  • Page 76 MR-900T User Manual 17. AT+DISCCOUNT=YYYYMMDD\r Get the disconnection times in the specified date, the date format is YYYYMMDD, and the reply is the times of disconnection during that day.

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