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Test a WR41v1 Router

How to test a WR41v1 router step by step.

Technical Support

March 2016

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Summary of Contents for WR41v1

Page 1: ...Test a WR41v1 Router How to test a WR41v1 router step by step Technical Support March 2016 ...

Page 2: ...test equipment 4 4 Perform Low Level Tests 6 5 Program the Flash 7 5 1 Using Flashwriter 7 5 2 Reviewing Flashwriter error messages 14 6 Check LEDs 15 7 Check W WAN connectivity 16 7 1 Test SIM detection switch 16 7 2 Test SIM 1 17 7 3 Test SIM 2 18 8 Check W WAN Signal Strength 19 9 Check USB ports 20 10 Check Serial ports 21 ...

Page 3: ...sh is completely blank 1 2 Assumptions This guide has been written for use by technically competent personnel with a good understanding of the product This guide assumes that there are no daughter cards fitted to the WR41 E g GPS serial PSTN ISDN Telemetry etc If a daughter card is fitted please request additional testing steps from tech support digi com This note applies only to a WR41V1 1 3 Corr...

Page 4: ... WR41V1 s reset button 3 SET UP THE TEST EQUIPMENT Set up the test equipment as described below Connect LAN 0 of the WR41V1 to the switch hub Connect ASY 0 the WR41V1 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 tr...

Page 5: ...ectory of the test PC Download the latest WR41V1 Flashwriter zip file and extract the contents to a single folder on your PC http transport digi com digi firmware flashwriter XXXX WR41 WR41 XXXX zip where XXXX is the current firmware version Open the ini file extracted and add the following text to the second line be sure to include the comma imxboot ...

Page 6: ...line run the imxtest program including as an argument the PC com port number imxtest p 1 E g for COM port 1 imxtest p 2 E g for COM port 2 Hold the reset button in and then power up the WR41V1 This may take a little practise Check the output of the imxtest 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...

Page 7: ... issue 5 1 Using Flashwriter Launch Flashwriter from the start menu Select the communications port number PC comm port number to which the WR41V1 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 ...

Page 8: ...Page 8 In the file dialogue select the ALL file you extracted from the ZIP earlier And click Open The following message will appear ...

Page 9: ... G1 5 Cinterion Siemens MC75i TC63i MC75 E1 5 Cinterion Siemens MC75i TC63i MC75 H0 9 Option HSDPA HSUPA modules H1 9 Option HSDPA HSUPA modules H2 9 Option HSDPA HSUPA modules C0 10 CMotech CDMA module C1 11 Sierra Wireless CDMA module C2 11 Sierra Wireless CDMA module C3 10 CMotech CDMA module C4 10 CMotech CDMA module C6 10 CMotech CDMA module C7 10 CMotech CDMA module U0 9 Option HSDPA HSUPA m...

Page 10: ...ricsson F3507g F3607gw F3307 F5521gw HSDPA module U8 17 Gobi UMTS Once you click ok the following message should appear 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 please be patient Once complete the boot image will be loaded into the flash ...

Page 11: ...Page 11 Eventually you should be prompted to enter the 6 digit serial number Refer to the label under the WR41V1 to find the correct serial number ...

Page 12: ...Page 12 Click OK Next enter the hardware revision Click OK The ALL file should start to load ...

Page 13: ...Page 13 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 ...

Page 14: ... response not received to download command This is very likely a hardware problem as long as PC serial port is working correctly Check again that this works on a known good router if it does and it still fails with this error on the suspected bad router then request an RMA with error reason Correct response not received to download command Error writing to flash Did not receive correct response to...

Page 15: ...ain that this works on a known good router if it does and it still fails with this error on the suspected bad router then request an RMA with reason Problem writing to flash invalid response received XXXX expected Unable to obtain boot loader control do you wish to try again This could be an issue with the PC serial port check again that this works on a known good router if it does and it still fa...

Page 16: ...N W N NET SIM DAT Signal I Signal II Signal III DTE 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 WR41V1 Access the web user interface of the WR41V1 Click the button to load the Java Applet front panel display Verify that both SIMs cards are shown as populated as in the picture below Note that the currently active ...

Page 17: ... SIM from Any to SIM 1 Click Apply Next navigate to Configuration Network Interfaces Mobile And select SIM 1 And under Mobile Settings Enter the correct APN for the SIM card installed in slot 1 Click Apply Now Navigate to Management Connections PPP Connections PPP 1 Wait for up to 5 minutes and check for a valid IP address You may need to refresh the page for the new address to appear click on PPP...

Page 18: ...ort for assistance 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 Interfaces Mobile And select SIM 2 And under Mobile Settings Enter the correct APN for the SIM card installed in slot 2 ...

Page 19: ...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 debug txt and email this to Digi technical support for assistance 8 CHECK W WAN SIGNAL STRENGTH Whilst the internet link is still connected from step 7 access the CLI Command Line Interface and issue the following command modemstat ...

Page 20: ...ected using the same antenna and connects to the same cell ID ci BD51 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 9 CHECK USB PORTS Insert a valid USB device into the USB slot on the front of the WR41V1 A valid USB device is a device that you know works in a W...

Page 21: ... upon the type of module fitted If the device in BUS 1 dev2 depth 1 is not present and this same devices shows up fine in a known working WR41V1 please request an RMA with code External USB port test failed 10 CHECK SERIAL PORTS With the PC serial port still connected to Serial 0 of the WR41V1 launch Flashwriter again ensure that the correct PC comm port number is selected and click on Check Seria...

Page 22: ... verify cabling please repeat this procedure on a known working router If the test is successful on a known working router but repeatedly fails on the router under test then please request an RMA with reason Flashwriter DCD test fail Problem with DTR DTR is off and should be ON To verify cabling please repeat this procedure on a known working router If the test is successful on a known working rou...

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