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doc: description of Telit LE910V2 network setup 

NCM network interface on LE910V2 modem needs to be
configured in a specific way after connection is established.
This commit is contained in:
Piotr Haber 2017-01-25 11:41:27 +01:00 committed by Denis Kenzior
parent f4518701e9
commit fe24e9a61e
1 changed files with 27 additions and 0 deletions
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doc/telit-modem.txt
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@ -17,3 +17,30 @@ GPS:
After setting the configuration, a power cycle is required.
Port Configiuration #8 is available since firmware 12.00.004. Firmware version
can be checked using 'AT+CGMR'.
LE910 V2
========
Default USB composition of LE910V2 uses PID 0x36 (AT#PORTCFG=0)
and consists of 6 serial ports (CDC-ACM standard, /dev/ttyACMx)
and 1 network adapter using CDC-NCM standard (wwanx or usbx).
NCM interface configuration follows Telit documentation
(both documents available on Telit Download Zone - registration required)
"GE/HE/UE910, UL865, LE910 V2 Linux USB Driver - User Guide r0"
(document 1VV0301255 Rev.0 - 2016-01-22)
and "Telit LE910-V2 NCM SETUP r3"
(document 1VV0301246 Rev.3 - 2016-11-29).
After context is setup, NCM mode activated and PDP context activated
connection configuration can be read using
AT+CGPADDR=context_id and AT+CGCONTRDP=context_id commands.
This is done automatically and results available via
org.ofono.ConnectionContext.GetProperties DBus method.
Then Linux network interface needs to be configured:
ifconfig <Interface> <Address> netmask <Netmask> up
route add default gw <Gateway>
arp -s <Gateway> 11:22:33:44:55:66
Only after these steps network interface is usable.