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usbmodem
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usbmodem [2019/03/08 00:35] sq3plx |
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| ULARI has a fully functional USB host interface with two USB-A connectors and USB host stack is supported by Linux operating system. This means that we can connect almost any USB device (if it's drivers are supported by our Linux kernel) and use it with our hardware. | ULARI has a fully functional USB host interface with two USB-A connectors and USB host stack is supported by Linux operating system. This means that we can connect almost any USB device (if it's drivers are supported by our Linux kernel) and use it with our hardware. | ||
| - | In this chapter we want to use a 3G or LTE modem to allow our station to access the internet via cellular network. After making a little research my choice was a [[http://microsat.com.pl/product_info.php?cPath=61&products_id=173|Huawei E3372h-153]] modem working in HILINK mode. HILINK mode is an important feature because it makes the modem report to operating system as a virtual network card. Earlier cellular modems were controlled by one or more serial interfaces, AT commands, PPP protocol, scripts, etc. and it was a lot more complicated. With HILINK modem, it acts as a router for our device, it evens assigns it a proper IP address and rest of network settings via DHCP protocol. | + | In this chapter we want to use a 3G or LTE modem to allow our station to access the internet via cellular network. After making a little research my choice was a [[http://microsat.com.pl/product_info.php?cPath=61&products_id=173|Huawei E3372h-153]] modem working in HILINK mode. HILINK mode is an important feature because it makes the modem report to operating system as a virtual network card. Earlier cellular modems were controlled by one or more serial interfaces, AT commands, PPP protocol, scripts, etc. and it was a lot more complicated. With HILINK mode, our modem acts as a router for our device, it evens assigns it a proper IP address and rest of network settings via DHCP protocol. |
| And what do we need to do? Well, we only need to plug the modem into USB port and a new network interface will appear: | And what do we need to do? Well, we only need to plug the modem into USB port and a new network interface will appear: | ||
usbmodem.txt ยท Last modified: 2019/03/08 09:44 by sq3plx
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