Comments on: PTCL EvDO setup on linux

By: wasim

wasim — Sun, 09 Aug 2009 01:57:02 +0000

Shahzad, the USB ptcl evdo works beautifully on Linux directly, you really shouldn’t need the windows machine at all …

By: A.K. Shahzad

A.K. Shahzad — Sat, 08 Aug 2009 20:54:11 +0000

I have got a USB ptcl evdo device that failed to work after going through a lot of painful work.

In the end to save further time, I have it up on a windows machine.
got a lan cable (crossover for computer to computer link) and hooked it up to my windows laptop and the other end in ubuntu machine.
Made a network through windows network setup wizard that the windows machine is directly connected to the internet and other computers connect to the internet through this machine.
After restarting the windows machine, ubuntu networking in DHCP Automatic mode, the computers started talking to each other and voila I could access the internet from ubuntu. (Linux)

By: wasim

wasim — Mon, 08 Jun 2009 16:07:35 +0000

With regard to the USB EVDO. You have to use usb_modeswitch (thanks Asad Manzur for pointing this out). Make sure that you put the following lines in /etc/usb_modeswitch.conf.

DefaultVendor=  0x19d2
DefaultProduct= 0xfff5
TargetVendor=   0x19d2
TargetProduct=  0xffff
MessageContent="55534243e0438589c00000008000069f010000000000000000000000000000"

After that just issue usb_modeswitch, and wvdial. The ZTE modem is a AC2710 but seems to behave just like the AC8710, BSNL is using. Here is what should happen ... do let the usb stablize (10 secs after plugin) before you try to switch ..

teepee ~ # usb_modeswitch 

 * usb_modeswitch: tool for controlling "flip flop" mode USB devices
 * Version 0.9.8 (C) Josua Dietze 2009
 * Works with libusb 0.1.12 and probably other versions

Looking for target devices ...
 No devices in target mode or class found
Looking for default devices ...
 Found default devices (1)
Accessing device 003 on bus 002 ...
Using endpoints 0x05 (out) and 0x84 (in)
Inquiring device details; driver will be detached ...
Looking for active driver ...
 OK, driver found ("usb-storage")
 OK, driver "usb-storage" detached

Received inquiry data (detailed identification)
-------------------------
  Vendor String: ZTE     
 Product String: USB Storage FFFF
Revision String: 2.31
-------------------------
Setting up communication with interface 0 ...
Trying to send the message to endpoint 0x05 ...
 OK, message successfully sent
Device is gone, skipping further steps ...
-> Run lsusb to note any changes. Bye.

teepee ~ # wvdial ptcl 
--> WvDial: Internet dialer version 1.60
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
OK
--> Modem initialized.
--> Sending: ATDT#777
--> Waiting for carrier.
ATDT#777
CONNECT
--> Carrier detected.  Starting PPP immediately.
--> Starting pppd at Sun Jul  5 03:53:40 2009
--> Pid of pppd: 7076
--> Using interface ppp0
--> local  IP address 119.154.19.87
--> remote IP address 192.168.7.1
--> primary   DNS address 203.135.0.70
--> secondary DNS address 202.125.148.204

By: wasim

wasim — Tue, 02 Jun 2009 05:49:18 +0000

We’ve got our hands on a USB stick. I’ve managed to get the USB drive part of it mounted, however no amount of cajoling is getting the usbserial to come up. I’ve tracked all sorts of hacks on the kernel modules, but no luck so far. Will keep trying, its almost there, as soon as the usbserial device comes up, we should be there.

By: nssd

nssd — Mon, 01 Jun 2009 00:48:14 +0000

Has anyone set up PTCL USB EVDO in Ubuntu 9.10?

By: basit

basit — Tue, 26 May 2009 05:43:04 +0000

yes, you are right. Good point.

In my case resolv.conf was written automatically when connection was established.
I just verified that things were in place.

By: asad.alim@gmail.com

asad.alim@gmail.com — Mon, 25 May 2009 12:29:45 +0000

It was indeed very useful. Just need to add one more step as I had trouble figuring it out.

Edit /etc/resolv.conf
add the following lines for default DNS.

nameserver 203.99.163.240
nameserver 202.125.148.204

By: wasim

wasim — Mon, 16 Mar 2009 06:46:56 +0000

Excellent documentation, Basit.