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Cinterion
®
EHS6 AT Command Set
2.12 AT^SCFG
EHS6_ATC_V03.001
15/12/3
Confidential / Released
Page 71 of 513
Device Descriptor
This parameter determines whether to use the ME's standard USB Device Descriptor configuration (default) or
a Device Descriptor configuration customized by the Customer Application manufacturer.
Parameter is global, stored non-volatile in ME and not reset by
. Setting takes effect after next USB inter-
face enumeration.
“0“
(D)
Standard USB Device Descriptor of the ME.
If
=0 is set all other parameters related to "Serial/USB/DDD"
cannot be changed. For use in a Windows environment, the "usbmodem.inf"
file delivered with EHS6 shall be present.
Note that whenever the EHS6 firmware is updated over the USB interface the
ME's standard configuration must be present. Therefore, before starting a
EHS6 firmware download be sure that
=0 is activated and,
under Windows, the ME's "usbmodem.inf" file can be found. Remember to
restart the ME after reverting to
=0 and before starting the
firmware download.
“1“
Customer specific USB Device Descriptor.
If
=1 is set all other parameters related to "Serial/USB/DDD"
can be changed.
Customizing the USB Device Descriptor configuration requires a unique Ven-
dor ID obtained from the USB Implementers Forum. For information please
refer to http://www.usb.org.
For use under Windows a customized INF file for the USB modem must be
present. An easy way to create this file is copying the ME's "usbmodem.inf" file
and overwriting the equivalent values changed with
, usually at least
the Vendor ID, Product ID and, optionally, the manufacturer string. This is
because the strings given for the customized "Serial/USB/DDD" parameters
must be identical with those contained in the INF file.
Descriptor Index
“0“
(D)
Not to be changed. Use always 0.
Language ID
Language ID as defined by USB.ORG
. Parameter shall be given in HEX format, maximum 4 characters.
EHS6 supports only language ID "0409" (English) which cannot be changed.
Vendor ID
This parameter represents the Vendor ID obtained from the USB Implementers Forum. The Vendor ID will,
together with the Product ID, be transmitted to the host during USB enumeration. The given Vendor ID must be
included in the INF file needed for Windows.
Parameter is global, stored non-volatile in ME and not reset by
. Setting will be active after EHS6 restart.
Parameter shall be given in HEX format, maximum 4 characters.
Please note that this parameter is effective only if the customized Device Descriptor
enabled.
<deviceDescr>
(str)(+CSCS)(NV)
<descrIndex>
(str)(+CSCS)(NV)
<langId>
(str)(+CSCS)(NV)
<vendorId>
(str)(+CSCS)(NV)