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Test a WR44v2 Router
How to test a WR44v2 router step by step.
Technical Support
December 2018

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Summary of Contents for Digi TransPort WR44 v2

  • Page 1 Test a WR44v2 Router How to test a WR44v2 router step by step. Technical Support December 2018...
  • Page 2: Table Of Contents

    Contents Introduction ............................3 Outline ............................3 Assumptions ..........................3 Corrections ........................... 3 Version ............................3 Equipment Required ..........................4 Set up the test equipment ........................5 Perform Low Level Tests ........................7 Program the Flash ..........................8 Using Flashwriter ......................... 8 Reviewing Flashwriter error messages..................
  • Page 3: Introduction

    This note applies only to a WR44V2 1.3 Corrections Requests for corrections or amendments to this documentation are welcome and should be addressed to: tech.support@digi.com Requests for new quick notes can be sent to the same address. 1.4 Version Version Number...
  • Page 4: Equipment Required

    How to test an WR44V2 step by step. 2 EQUIPMENT REQUIRED 1. A PC connected to the Internet running a Microsoft Windows TM operating system with a built in serial comm. port. (USB to serial adaptors do not work well.) 2.
  • Page 5: Set Up The Test Equipment

    Connect “ASY 0” the WR44V2 to the PC’s serial port 0 ideally “COM 1”.  The Internet connection is optional and will be useful if help is required during this process from Digi Technical Support.  Please note that the Ethernet switch/hub must not have the spanning tree protocol enabled.
  • Page 6 How to test an WR44V2 step by step.  Download the latest WR44V2 Flashwriter zip file and extract the contents to a single folder on your PC: http://ftp1.digi.com/support/firmware/transport/flashwriter/XXXX/WR44v2/WR44V2-XXXX- flashwriter.zip Where XXXX is the current firmware version, for example: 5281. Extract the content of the downloaded zip file to a directory on your computer, for example c:\wr44v2\ : Open the .ini file extracted and add the following text to the second line (be sure to include the...
  • Page 7: Perform Low Level Tests

    How to test an WR44V2 step by step. 4 PERFORM LOW LEVEL TESTS Connect the serial port of the PC to the WR44V2 using the serial cable. From the Windows command line run the mvtest program including as an argument the PC com port number: mvtest -p 1 (E.g.
  • Page 8: Program The Flash

    How to test an WR44V2 step by step. 5 PROGRAM THE FLASH Please note that the most likely reason for this step to fail is due to an issue or configuration problem with the test equipment. For this reason please verify that the steps below can be performed on a known working WR44V2 without issue.
  • Page 9 How to test an WR44V2 step by step. In the file dialogue, select the “ALL” file you extracted from the ZIP earlier: And click “Open”. Page | 9...
  • Page 10 How to test an WR44V2 step by step. The following message will appear: It is critical that the correct selection is made at this point. Note 1: Since FlashWriter version 1.0.525 characters 6 and 7 are included in the W-WAN module name, see above.
  • Page 11 How to test an WR44V2 step by step. Refer to the following table to determine which selection to make: Characters 6 & Flashwriter Selection 100 No module 5 Cinterion/Siemens MC75i/TC63i/MC75/Triorail 5 Cinterion/Siemens MC75i/TC63i/MC75/Triorail 9 Option HSDPA/HSUPA modules 9 Option HSDPA/HSUPA modules 9 Option HSDPA/HSUPA modules 10 CMotech CDMA module 11 Sierra Wireless CDMA module...
  • Page 12 How to test an WR44V2 step by step. Once you click ok, the following message should appear: Click “OK”, then plug in the power. If you are successful then the following message will appear: Page | 12...
  • Page 13 How to test an WR44V2 step by step. This step will take some time – please be patient. Once complete the boot image will be loaded into the flash: Eventually you should be prompted to enter the 6 digit serial number. (Refer to the label under the WR44V2 to find the correct serial number.) Page | 13...
  • Page 14 How to test an WR44V2 step by step. Click OK Next enter the hardware revision: Click OK The .ALL file should start to load: Page | 14...
  • Page 15 How to test an WR44V2 step by step. After reboot, it should check the interface to the W-WAN module (if one is fitted): After this and other tests, it should report “Device upgraded successfully”: This means the WR44V2 has been successfully flashed and correct communication with the internal radio module (if fitted) verified.
  • Page 16 How to test an WR44V2 step by step. At this stage the following hardware components (and more) have been successfully tested :  FLASH  SDRAM  SRAM  ETHERNET 0  Serial port 0  Interface to radio module (if fitted) Page | 16...
  • Page 17: Reviewing Flashwriter Error Messages

    RMA with reason. “Flashwriter TFTP failed to complete” Unable to communicate with device after Check to see if the router is continuously rebooting. Please contact Digi reboot technical support for help.
  • Page 18: Check Leds

    How to test an WR44V2 step by step. 6 CHECK LEDS Connect all four Ethernet ports to a switch. Access the CLI (Command Line Interface) – this can be achieved:  Through the serial port @115200 bps  Via a telnet or SSH connection ...
  • Page 19: Check W-Wan Connectivity

    How to test an WR44V2 step by step. 7 CHECK W-WAN CONNECTIVITY 7.1 Test SIM detection switch With the router powered off, insert a SIM card into BOTH SIM slots of the WR44V2 and open the CLI interface. Access to the CLI (Command Line Interface) – this can be achieved: ...
  • Page 20: Test Sim 1

    How to test an WR44V2 step by step. 7.2 Test SIM 1 Ensure that an antenna is connected and the router is located in an area with good signal strength. Navigate to: Configuration - Network > Interfaces > Advanced > PPP 1 > Mobile Change W-WAN SIM: from “Any”...
  • Page 21 How to test an WR44V2 step by step. Next navigate to Configuration - Network > Interfaces > Mobile And select SIM And under “Mobile Settings” Enter the correct APN for the SIM card installed in slot Click Apply. Page | 21...
  • Page 22 You may need to refresh the page for the new address to appear (click on >PPP 1) If a valid IP address is NOT found, please download the debug.txt and email this to Digi Technical Support (tech.support@digi.com) or open a case at http://www.digi.com/support/eservice/...
  • Page 23: Test Sim 2

    How to test an WR44V2 step by step. 7.3 Test SIM 2 Navigate to: Configuration - Network > Interfaces > Advanced > PPP 1 > Mobile Change “W-WAN SIM: from “SIM 1” to “SIM 2” Click Apply Next navigate to Configuration - Network >...
  • Page 24 A valid IP address for SIM 2 should be seen – Notice it is different to the one assigned for SIM 1 If a valid IP address is NOT found, please download the debug.txt and email this to Digi Technical Support (tech.support@digi.com) or open a case at...
  • Page 25: Check W-Wan Signal Strength

    ID (lac:00DF ci:01B0BD51 in above example). If it does and the signal strength is much better (+ 10dB) than the suspected bad router, request an RMA from Digi technical support with code: “Cellular signal strength low”...
  • Page 26: Check Usb Ports

    How to test an WR44V2 step by step. 9 CHECK USB PORTS Insert a valid USB device into the USB slots on the front of the WR44v2. A valid USB device is a device that you know works in a WR44v2 because you have tried it previously. Examples to try: ...
  • Page 27: Check Eth Ports 1 To 3

    Via the “execute a command” page of the web user interface. And issue the following command: And check that the router is in “port isolate mode”: Digi TransPort WR44v2-U800-DE2-XX Ser#:205017 HW Revision: 5201a Software Build Ver5164+05d6a82. Sep 28 2012 02:32:19 ARM Bios Ver 6.80 v45 800MHz B995-M1003-F80-O0,0 MAC:00042d0320d9...
  • Page 28: Check Serial Ports

    How to test an WR44V2 step by step. 11 CHECK SERIAL PORTS With the PC serial port still connected to “Serial 0” of the WR44v2, launch Flashwriter again, ensure that the correct PC comm. port number is selected and click on “Check Serial” from the Advanced menu of FlashWriter.
  • Page 29 How to test an WR44V2 step by step. If any error messages occur, please refer to the following table to identify the best course of action: Error Message Recommendation Flashwriter is unable to establish contact with the router under test. Please check the cabling and try again.
  • Page 30: Testing The Xdsl

    How to test an WR44V2 step by step. 12 TESTING THE XDSL Some WR44v2 models are fitted with DSL modules. The part number of the approval label will reveal if DSL is fitted. WR44 U800 L E2 SW If character 9 is F, G, L or M a DSL module is installed: V1 No Wi-Fi V1 + W-Fi V2 No Wi-Fi...
  • Page 31 How to test an WR44V2 step by step. Connect the ADSL cable to the “Golden DSL testing unit”. Wait for it to “train” and then issue the adslst command: Modem Status: Showtime Link Uptime: 0 Hrs 0 Mins 35 Secs Firmware Version: SW 1.11 Operational Mode: ADSL2+ Annex A Remote Vendor ID: IFTN...
  • Page 32 How to test an WR44V2 step by step. Next connect the unit that is to be tested to the line. Collect all the same parameters as above. Please note that every modem has slightly different characteristics and the speed and noise margin can vary between individual units.

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