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4.
Wait a few minutes for the device to switch to Enterprise Mode and then verify again that your
device is in Enterprise Mode by issuing the following command:
# lsusb
If the device is in Enterprise Mode, the response is:
ID 1410:9022 Novatel Wireless
Once these steps are complete, the CDC-ECM interface is enabled on the device and the device
expects a DHCP Request from the Linux server.
5.
Initiate the DHCP Request to the U620L to get the WWAN IP Addresses assigned to Linux by
issuing the following command:
# sudo dhclient eth1
NOTE:
Replace eth1 with the appropriate Ethernet interface enumeration on your setup.
6.
Verify that option.ko is loaded by issuing the following command:
# lsmod | grep option
If it is already loaded, skip to step 8.
7.
If the option.ko driver is not loaded, follow these steps to load the driver:
a. Load the USB serial driver module with the VID and PID parameters corresponding to the
MiFi U620L by issuing the following command:
# sudo modprobe usbserial vendor=0x1410 product=0x9022
b. If necessary, load usb_wwan by issuing the following command:
NOTE:
This is applicable in case the kernel version is later than 3.xx since option.c uses
functions from the usb_wwan module.
# sudo insmod usb_wwan.ko
c. Load the option driver by issuing the following command:
# sudo insmod option.ko
8.
Check for the Novatel Modem ports by issuing the following command:
# ls –l /dev/ttyUSB*
The modem port should be
NOTE:
You can use PuTTY or a similar tool to open the modem port and use the AT commands.
U620L Linux Integration Guide
.
/dev/ttyUSB0
10
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