Digi WR44v1 How To Test
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Digi WR44v1 How To Test

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Test a WR44v1 Router
How to test a WR44v1 router step by step.
Technical Support
March 2016

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Summary of Contents for Digi WR44v1

  • Page 1 Test a WR44v1 Router How to test a WR44v1 router step by step. Technical Support March 2016...

  • 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

    1 INTRODUCTION 1.1 Outline This guide will enable a competent technician to test the hardware of a WR44V1 router. If the tests in sections 4 – 11 all complete without a problem then the router can be returned to service. If not please follow the advice in the documentation below for the error message you receive.

  • Page 4: Equipment Required

    (USB to serial adaptors do not work well.) 2. A 9-way to 25-way “straight through” serial cable to connect the PC directly to the WR44v1. 3. An Ethernet switch/hub to connect the PC to the WR44v1 (usually your normal office Ethernet switch/hub will be fine if there is a spare port and it is NOT running spanning tree.)

  • Page 5: Set Up The Test Equipment

    It is possible to use another appropriately configured WR44V1 as a switch/hub.  It is essential that the PC’s Ethernet communication interface is configured correctly and has an IP address. The best strategy is normally to connect both your PC and the WR44V1 to your normal office LAN. ...
  • Page 6  Extract the contents of the zip file to the “Windows” folder of the test PC.  Download the latest WR44V1 Flashwriter zip file and extract the contents to a single folder on your PC: http://ftp1.digi.com/support/firmware/transport/flashwriter/archived-versions/ XXXX/WR44/WR44-XXXX.zip where XXXX is the current firmware version.

  • Page 7: Perform Low Level Tests

    (E.g. for COM port 2) Hold the reset button in and then power up the WR44V1. This may take a little practise. Check the output of the teslatest program. If the test passes then the following output will be seen: If the SDRAM, FLASH or SRAM test fails then the product should be returned via RMA.

  • Page 8: Program The Flash

    Launch Flashwriter from the start menu. Select the communications port number (PC comm. port number) to which the WR44v1 is connected. (On most PC’s with a built in serial port, this will be “1” OR “2”. Leave the other settings are their default values (TFTP and Event driven mode ONLY ticked): If your PC has more than one network adapter, be sure to select the one that represents the connection to LAN illustrated in section 0.
  • Page 9 How to test an WR44V1 step by step. In the file dialogue, select the “ALL” file you extracted from the ZIP earlier: And click “Open”. The following message will appear: Page | 9...
  • Page 10 How to test an WR44V1 step by step. It is critical that the correct selection is made at this point. Note characters 6 and 7 of the part number (SKU) on the approval label. In the example below these are “U2”: Refer to the following table to determine which selection to make: Characters 6 &...
  • Page 11 How to test an WR44V1 step by step. Click “OK”, hold in the reset button (and keep it held) then plug in the power. This may take a bit of practise. If you are successful then the following message will appear: This step will take some time –...
  • Page 12 How to test an WR44V1 step by step. Eventually you should be prompted to enter the 6 digit serial number. (Refer to the label under the WR44V1 to find the correct serial number.) Page | 12...
  • Page 13 How to test an WR44V1 step by step. Click OK Next enter the hardware revision: Click OK The .ALL file should start to load: Page | 13...
  • Page 14 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 WR44V1 has been successfully flashed and correct communication with the internal radio module (if fitted) verified.

  • Page 15: 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 16: Check Leds

    How to test an WR44V1 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 17: Check W-Wan Connectivity

    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 WR44V1. Access the web user interface of the WR44V1. Click the button to load the Java Applet front panel display.
  • Page 18 How to test an WR44V1 step by step. Next navigate to Configuration - Network > Interfaces > Mobile And select SIM Under “Mobile Settings” Enter the correct APN for the SIM card installed in slot Click Apply. Page | 18...
  • Page 19 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 20: Test Sim 2

    How to test an WR44V1 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 21 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 22: Check W-Wan Signal Strength

    If the signal strength is much worse than normal, make a note of the cell ID (ci:BD51 in above example) and repeat the test on a known working WR44v1 that contains the same type of radio module in the same location. Ensure the known working WR44v1 is connected using the same antenna and connects to the same cell ID (ci:BD51 in above example).

  • Page 23: Check Usb Ports

    9 CHECK USB PORTS Insert a valid USB device into the USB slots on the front of the WR44v1. A valid USB device is a device that you know works in a WR44v1 because you have tried it previously. Examples to try: ...

  • Page 24: Check Eth Ports 1 To 3

    Then check that you can ping all three address. If it is not possible to ping all three addresses and if you repeat this test on a known good WR44v1 and all three addresses respond to pings, please request an RMA with code “ETH X test failed” where X is the Eth port number that failed to respond.

  • Page 25: Check Serial Ports

    How to test an WR44V1 step by step. 11 CHECK SERIAL PORTS With the PC serial port still connected to “Serial 0” of the WR44v1, 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 26 How to test an WR44V1 step by step. test fail.” To verify cabling, please repeat this procedure on a known working router. If Problem with CTS (CTS is OFF and should be the test is successful on a known working router but repeatedly fails on the ON) on router under test then please request an RMA with reason: “Flashwriter CTS...

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