NimbeLink NL-M1DK User Manual Download Page 21

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5. Next Steps

Now that you have verified that you can communicate with the Skywire modem, and

that it's registered on the network, you are ready to start building your

cellular-connected device. Most users will be using the PPP functionality, or perform raw

socket dials. Here are application notes to get you started:

CAT M1 PPP on BeagleBone Black -

http://www.nimbelink.com/Documentation/Skywire/4G_LTE_Cat_M1/30272_NL-SW-LT
E-SVZM21_PPP-on-CATM1_BBB.pdf

CAT M1 PPP on Raspberry Pi -

http://www.nimbelink.com/Documentation/Skywire/4G_LTE_Cat_M1/30273_NL-SW-LT
E-SVZM21_PPP-on-CATM1_RPi.pdf

CAT M1 Socket Dials -

http://www.nimbelink.com/Documentation/Skywire/4G_LTE_Cat_M1/1001412_NL-SW-L
TE-SVZM_SocketDialAppNote.pdf

CAT M1 SMS Messages Application note - (Coming soon)

Be sure to keep an eye on the NimbeLink website for the NL-SW-LTE-SVZM20 family of

Skywire modems, as well as the website for the NL-M1DK-x Development Kit for

updates and examples.

Additional Resources

Technical Resources

All documentation for the Skywire M1 modem and development kit:

http://nimbelink.com/skywire-4g-lte-cat-m1/#docs

General Information

NL-SW-LTE-SVZM20 Website -

http://nimbelink.com/skywire-4g-lte-cat-m1/

NL-M1DK Website -

http://nimbelink.com/skywire-m1dk/

PN 30192 rev 10

Summary of Contents for NL-M1DK

Page 2: ...ware 32902 6 Command Mode Socket Dials Hex Fixed in firmware 32902 6 AT Interface Lockup Issues Fixed in firmware 32902 6 Network Registration Issues Fixed in firmware 32902 6 SIM Cards 7 Getting Started 7 Kit Contents 7 Hardware Setup 8 SIM Card Installation 8 Skywire Installation 9 Jumper Installation 10 Antenna Installation 10 Software Setup 11 Terminal Program 12 Baudrate 12 Activate LTE CAT M...

Page 3: ...ality 17 Verify Auto Attach 18 Verify Cellular Signal Strength 18 Verify Network Registration 20 Next Steps 20 Additional Resources 21 Troubleshooting 21 Introduction 22 Communications with the Skywire 22 Serial Communications on macOS 22 Network Registration 23 Technical Support 23 PN 30192 rev 10 NimbeLink Corp 2018 All rights reserved 3 ...

Page 4: ...n LTE CAT M1 Sim Card NimbeLink Verizon TG 30 8113 Dipole Cellular Antenna Taoglas TG 08 0113 Monopole Cellular Antenna Taoglas 1 3 Firmware Changes The chipset manufacturer has released a new version of firmware firmware version 37120 that makes available some features and fixes many issues Here is a brief description of the firmware changes More AT command are enabled and functioning We have an ...

Page 5: ...ity not enabled yet and there will be numerous software and firmware changed and updates in the near future as these features mature 1 4 2 Modem Firmware The firmware in the modem may have some limited functionality but you will need to update the firmware as part of the out of the box experience 1 4 3 AT Commands Addressed in firmware 32902 Not all AT commands listed in the AT Commands Manual are...

Page 6: ...round this You can manually set the RTC using the AT CCLK command You can issue AT CGATT 0 to disconnect from the network Then reset the RTC with AT CCLK 00 01 01 00 00 00 0 and reconnect to the network with AT CGATT 1 Your RTC should now be set to the correct time This is a known issue that is being investigated and will be addressed in a future firmware release 1 4 9 Command Mode Socket Dials He...

Page 7: ... of a special SIM card Other Verizon LTE SIM cards including the SIM cards used in other Skywire models will not work on the LTE CAT M1 network Please follow the procedure outlined in Section 3 for activating the included LTE CAT M1 SIM card on the Verizon network 2 Getting Started 2 1 Kit Contents The NL M1DK kit includes the following hardware 1 NL M1DK Skywire 4G LTE CAT M1 Cellular Modem Devel...

Page 8: ...different sizes The Skywire family of modems use the Micro SIM 3FF size form factor which is the SIM card size outlined in red in the below picture Carefully snap out the 3FF SIM card size from the SIM card carrier and insert it into your Skywire modem The pads on the SIM card should face the pins on the SIM cage and the keyed corner will go in as shown below PN 30192 rev 10 NimbeLink Corp 2018 Al...

Page 9: ...Skywire 2 2 2 Skywire Installation Install the Skywire as shown below The small circles on the NL M1DK ES shows the proper orientation of the U FL connectors on the Skywire PN 30192 rev 10 NimbeLink Corp 2018 All rights reserved 9 ...

Page 10: ...re Note when removing antenna cables from the Skywire use a U FL removal tool Here is a picture of the fully installed Skywire 2 2 3 Jumper Installation The NL M1DK has the capability to connect to your workstation via a USB Serial connection or to different microcontroller platforms Your NL M1DK is setup from the factory for the USB Serial connection However if a jumper was knocked off during shi...

Page 11: ...o SMA connector J18 by screwing on the antenna Make note not to cross thread the antenna Bend the antenna connector so it is pointing vertically Below is a side view of the installed antenna PN 30192 rev 10 NimbeLink Corp 2018 All rights reserved 11 ...

Page 12: ...sed systems macOS Linux we recommend picocom or minicom A GUI based option for macOS is CoolTerm http freeware the meiers org Note Additional setup may be necessary for macOS Please consult Section 7 3 before continuing 2 3 2 Baudrate The default baudrate of the NL SW LTE SVZM20 x is 921600 Please make sure to change the settings of your terminal program to reflect this PN 30192 rev 10 NimbeLink C...

Page 13: ...t the Skywire is installed in the NL M1DK it is time to verify that the Skywire can connect to the network This example uses TeraTerm on Windows 7 however the process is similar for your platform Generally Setup your terminal program to use baudrate 921600 and connect to your Skywire port Issue the listed AT commands to verify communications and network connectivity 4 2 Insert USB Cable Insert the...

Page 14: ...he second COM port is a debug port and not usable by the end customer Note the first COM port number For this guide the ports enumerate as COM44 and COM45 If your devices do not install you may need to download drivers from FTDI Please find them here http www ftdichip com Drivers VCP htm 4 5 Connect to the Skywire Open TeraTerm and close the initial connection window that appears this window doesn...

Page 15: ... defaults For the Port use the dropdown to select your COM port if it isn t selected already COM44 has been selected for this example corresponding to the port listed in Section 4 4 Once you have the correct settings click OK to establish the connection to your Skywire PN 30192 rev 10 NimbeLink Corp 2018 All rights reserved 15 ...

Page 16: ...d Echo To enable the command echo type the following command ATE1 followed by the Enter Key and the terminal should respond with OK You will now see the commands as they are typed This functionality will default back to off with a power cycle You can also disable the command echo by typing the following command ATE0 followed by the Enter Key and the terminal should respond with OK 4 9 Check Firmwa...

Page 17: ...he modem type the following command AT CGDCONT 3 IPV4V6 NIMBLINK GW12 VZWENTP followed by the Enter Key and the terminal should respond with OK 4 11 Enable Cellular Functionality To conserve power by default cellular functionality is disabled To enable cellular functionality type the following command AT CFUN 1 followed by the Enter Key and the terminal should respond with OK This functionality wi...

Page 18: ...wed by the Enter Key and the terminal should respond with OK This command is saved in non volatile memory NVM and therefore only needs to be issued once However if you would like to verify that this command is set you can type the following command AT AUTOATT followed by the Enter Key and the terminal should respond with AUTOATT x OK where x is either 0 for disabled or 1 for enabled PN 30192 rev 1...

Page 19: ... 5 dB 1 19 5 dB RSRQ 19 dB 2 19 dB RSRQ 18 5 dB 32 4 dB RSRQ 3 5 dB 33 3 5 dB RSRQ 3 dB 34 3 dB RSRQ 255 Not known or detectable Values of yy RSRP Reference Signal Received Power 0 RSRP 140 dBm 1 140 dBm RSRP 139 dBm 2 139 dBm RSRP 138 dBm 95 46 dBm RSRP 45 dBm 96 45 dBm RSRP 44 97 44 dBm RSRP 255 Not known or not detectable Here are estimated signal qualities based on the above values Values of x...

Page 20: ...REG 2 x y z OK where x is your registration status and yyyy and zzzzzzzzz are further network details Poll this command until it returns CEREG 2 1 yyyy zzzzzzzz A value of 1 means that your Skywire is registered on the network Note The default settings are to show unsolicited response codes regarding network status so you may see a line similar to the following come across the communication lines ...

Page 21: ...3_NL SW LT E SVZM21_PPP on CATM1_RPi pdf CAT M1 Socket Dials http www nimbelink com Documentation Skywire 4G_LTE_Cat_M1 1001412_NL SW L TE SVZM_SocketDialAppNote pdf CAT M1 SMS Messages Application note Coming soon Be sure to keep an eye on the NimbeLink website for the NL SW LTE SVZM20 family of Skywire modems as well as the website for the NL M1DK x Development Kit for updates and examples 6 Add...

Page 22: ... There are two ways around this 1 Using your favorite terminal program open the serial port at a lower baudrate For example using picocom picocom b 115200 your device name In another terminal window change the baudrate on that serial port stty f your device name 921600 Go back to your first terminal window and you can use the device now Note you may need to use sudo for the stty command 2 Check if...

Page 23: ...utomatically register on the network by checking the auto attach settings in Sections 4 11 and 4 12 Make sure you are getting an acceptable signal strength according to Section 4 13 Finally make sure that you typed the APN correctly according to Section 4 10 If the Skywire does not automatically register on the network after about thirty 30 seconds check the status of the attachment by typing the ...

Page 24: ...ail to product support nimbelink com If you have an issue with the procedure outlined in this user guide please first consult Section 7 Troubleshooting before contacting Technical Support Responses generally occur within one business day PN 30192 rev 10 NimbeLink Corp 2018 All rights reserved 24 ...

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