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<  Setup Discussion  ~  Help with TP-Link router and ZTE MF110 modem

PostPosted: Mon May 16, 2011 3:36 pm
Posts: 6Joined: Thu May 06, 2010 1:27 pm
Hello, if anyone could help me with this I would be very grateful

I recently bought a TP-Link TL-MR4320 which have ZTE MF110 on their compatible list of modems.
It detects the modem as MF110, but never connects (I've triple-checked settings with my ISP)

However, there seems to be a problem when it's using usb_modeswitch

truncated snipped from the routerlog:
Quote:
1st day 00:11:15 3G NOTICE Modem switchs failed, reset the 3G modem, please wait.
.
.
.
1st day 00:11:35 3G INFO 3G Modem vendorID: 0x19d2; productID: 0x2000

1st day 00:11:48 3G INFO Switch modem mode with the 0 command in the file usb_modeswitch.conf

1st day 00:11:49 3G INFO 3G Modem vendorID: 0x19d2; productID: 0x2000

1st day 00:12:00 3G INFO Switch modem mode with the 1 command in the file usb_modeswitch.conf

1st day 00:12:08 3G INFO 3G Modem vendorID: 0x19d2; productID: 0x0017
.
.
.
1st day 00:13:59 3G NOTICE Modem switchs failed, reset the 3G modem, please wait.

In the device reference (http://www.draisberghof.de/usb_modeswit ... erence.txt isn't valid btw) there are two variants of MF110:

Quote:
########################################################
# ZTE MF110 (Variant)
#
# Contributor: Moritz Grosse-Wentrup

DefaultVendor= 0x19d2
DefaultProduct= 0x0053

TargetVendor= 0x19d2
TargetProduct= 0x0031

MessageContent="5553424312345678000000000000061b000000020000000000000000000000"
MessageContent2="55534243876543212000000080000c85010101180101010101000000000000"

NeedResponse=1

and
Quote:
########################################################
# ZTE MF110 (Variant)
#
# Contributor: uusrlnx

DefaultVendor= 0x19d2
DefaultProduct= 0x0083

TargetVendor= 0x19d2
TargetProduct= 0x0124

MessageContent="5553424312345678000000000000061b000000020000000000000000000000"

NeedResponse=1

as well as multiple ZTE models that have 'DefaultProduct = 0x2000' but none that has 'TargetProduct= 0x0017'
Is this the problem?
Have ZTE changed something internally for my ISP (bredbandsbolaget/telenor in Sweden) while keeping the model as MF110?

TP-Links customer service has only replied with the standard "upgrade your firmware" boilerplate but maybe you guys here have some better insights? :wink:
Thanks!


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PostPosted: Mon May 16, 2011 11:43 pm
Site AdminPosts: 4549Joined: Sat Nov 03, 2007 12:30 am
See the latest data package linked in the "Download" paragraph. It contains a config file "19d2:2000". The target product ID "0017" is listed there.

The switching in the router seems to be working, but it is probably not recognized due to outdated configuration files.



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PostPosted: Tue May 17, 2011 1:19 am
Posts: 6Joined: Thu May 06, 2010 1:27 pm
Thank you for the quick reply, so the solution is to nag TP-link into upgrading their firmware then yes?
Should I just tell them to get the latest usb_modeswitch release or something more specific...?


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PostPosted: Tue May 17, 2011 7:47 pm
Site AdminPosts: 4549Joined: Sat Nov 03, 2007 12:30 am
I had a look at the source code of the router (v1) from the maker's web site.

The usb_modeswitch version is 1.0.5, which doesn't tell much. But the config files provided with it are quite dated too; the question is if there was an update at one point. And I have no idea how they wrap/run those config files.

The stupid binary modem files that they are providing for special cases are not helpful either. If you could import new modem parameters via a little text file - now, that would make sense ...



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