Re: setting up ZTE CDMA Technologies MSM idProduct 0x2000

["Peter F. Patel-Schneider" <pfps research bell-labs com>]

Thanks, that did the trick.

This is even worse than "Strange, but true".

I didn't do the permanent switch because the device isn't mine.

peter



From: Rick Jones <rick activeservice co uk>
Subject: Re: setting up ZTE CDMA Technologies MSM idProduct 0x2000
Date: Tue, 1 Sep 2009 07:33:18 -0500

> You need to mode-switch it before it will do anything. Initially it
> emulates a CD-ROM only (an idea called ZeroCD), which in Windows makes
> it autorun the software installer. The installed s/w then switches the
> modem to a different idProduct, and all its real interfaces become
> visible. This is not much use in Linux! 
> 
> Does your device appear as a CD-ROM in Linux? If so then "ejecting" it
> should switch the modes. Otherwise look for usb_modeswitch on the net,
> download and follow the instructions - it will be able to send the
> magic string to the modem to switch it. 
> 
> Useful hint: The mode switch needs to be done everytime you plug it
> in, but you can permanently switch off ZeroCD once you've got it
> going. You need to send it the command AT+ZCDRUN=8 on the modem port -
> it's usually easiest to do this using minicom or similar. This makes
> life simpler, and the device is also quicker to start up. 
> 
> --On Tuesday, September 01, 2009 07:35:44 -0400 "Peter F. Patel-Schneider" <pfps alcatel-lucent com> wrote:
> 
>> Hi:
>>
>> I have a "ZTE CDMA Technologies MSM" USB device that I'm currently
>> trying to set up.  It is on the Rogers network in Canada (which is one
>> of the known CDMA providers).  However the device doesn't work for me.
>>
>> I did a lsusb and noticed that there appears to be only one interface,
>> to the built-in ROM that holds the drivers for Windows, and no interface
>> for anything else.  So I thought that something was very broken.
>>
>> However, I then noticed /lib/udev/rules.d/77-nm-zte-port-types.rules,
>> which appears to fix this problem for many versions of the device.
>> Unfortunately my device has idProduct ox2000, which is not on the list.
>> The device is labelled "Rogers Mobile Internet" and is too high to
>> nicely attach to vertical USB connections on the side of a laptop.
>>
>> Does anyone know what to add to the above file for this particular
>> device?  Or is there something else that needs to be done?
>>
>> Peter F. Patel-Schneider
>> Bell Labs Research
>>
>>
> 
>