Specifications

Chapter 11 – SocketModem HSDPA

Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342I) 147

Configuring the HSDPA Modem on Linux SLAX 6

All recent distributions of Linux Kernel v2.6 or higher and CDC_ACM USB will work well with the HSPDA modem. Follow

procedure outlined here using the HSDPA on Linux SLAX 6, an efficient live distribution you can install on a USB stick.

See www.slax.org.

1. Set the HSDPA in modem mode so that it can be enumerated automatically:

AT^SUSB="Startup","Mdm"

AT^SMSO

2. Boot SLAX

3. Plug the USB cable into the PC

4. Enable enumeration in a terminal:

modprobe usbserial vendor=0x0681 product=0x0047

5. Make sure that the modem was enumerated

ls -la /dev/ttyUSB*

The response should be: /dev/ttyUSB0

6. Launch KPPP&

7. Create a new account with AT&T:

Dial *99***1#

8. Create a new modem

HC25

Modem device: /dev/ttyUSB0

Flow control: None

Line Termination: CR

Connection Speed: 921600

9. Add modem commands to the initialization string; i.e., ATZ and AT+CGDCONT=1,"IP","isp.cingular"

10. Enter PAP authentication