Appendix D – Installing with Linux

Device Files

Because the TI USB driver does not use usbserial (to avoid known problems with usbserial) it uses its own device file names, /dev/ttyTIUSB0, /dev/ttyTIUSB1, and so on.

The device files are created automatically when the ti_usb driver is loaded. This is done by the module post‐ install command in /etc/modules.conf, which runs the script /etc/ti_usb/make_devices.

You can change the device names that ti_usb uses. First you should remove the old device files by running

/etc/ti_usb/make_devices remove

Then edit /etc/ti_usb/make_devices. At the top of this file you find the parameters DEVICE_NAME which determines the basename of the TI USB device files, DEVICE_COUNT which determines the number of device files created, DEVICE_GROUP which determines the group owner of the device files, and DEVICE_PERMISSIONS which determines the device file permissions.

For example, to create 8 TI USB device files named /dev/ttyusb0 through /dev/ttyusb7, owned by the uucp group, and having permissions 0660, change the parameters like this

DEVICE_NAME=/dev/ttyusb

DEVICE_COUNT=8

DEVICE_GROUP=uucp

DEVICE_PERMISSIONS=0660

After editing make_devices, run the script to create the new device files, like this

/etc/ti_usb/make_devices

If you use devfs, the ti_usb devices are /dev/usb/ti/0, /dev/usb/ti/1, and so on in the order they are plugged in. The ti_usb driver has not been tested with devfs.

Uninstalling the TI USB Driver (for 2.4 kernel versions)

If you installed the TI USB RPM package, you can uninstall it by logging in as root and running the command

rpm ‐e ti_usb‐X.Y‐Z

If you installed the TI USB TGZ package, you can uninstall it by logging in as root and running the following commands:

Command

cd ti_usb‐X.Y

make uninstall

Explanation

Give a full or relative path to the unpacked source file directory.

40

Multi‐Tech Systems, Inc. MT9234ZBA‐USB User Guide

Page 39 Page 41
Page 40
Image 40
Multitech MT9234ZBA-USB manual Uninstalling the TI USB Driver for 2.4 kernel versions, Device Files
Page 39 Page 41

MT9234ZBA-USB specifications

The Multitech MT9234ZBA-USB is an innovative device designed to provide seamless connectivity via USB. This high-performance modem is particularly popular among professionals who require reliable communication solutions for their computing needs. It integrates advanced technology features and offers a compact, robust design, making it suitable for various applications.

One of the standout features of the MT9234ZBA-USB is its support for both data and fax transmission over standard phone lines. This versatility is a significant advantage for businesses that still rely on traditional telephone networks, allowing them to send documents and data efficiently. The modem supports a wide range of data rates, reaching speeds of up to 56 Kbps, which is crucial for quick data transfers and effective communication.

Equipped with the USB interface, the MT9234ZBA-USB ensures straightforward connectivity to laptops and desktops. This plug-and-play capability enables users to easily connect the modem without the need for additional software installation, making it incredibly user-friendly. Its compatibility with multiple operating systems, including Windows and macOS, further enhances its accessibility and ease of use.

In terms of technology, the MT9234ZBA-USB utilizes advanced error correction and data compression techniques, such as V.42 and V.44, which significantly improve data integrity and transmission speeds. These technologies help minimize errors in data transfer, ensuring that important documents and communications reach their intended destination without delay or corruption.

The modem is built with a compact, portable design that makes it an excellent choice for mobile professionals. Whether users need to connect while traveling or require a reliable solution for remote work situations, the MT9234ZBA-USB is designed to fit into modern workflows seamlessly. Its robust construction also promises durability, ensuring that it can withstand the rigors of daily use.

Another key characteristic of the MT9234ZBA-USB is its comprehensive compatibility with various applications, including point-of-sale systems, remote monitoring, and telecommuting solutions. This adaptability makes it a valuable tool across different industries, catering to a wide range of business needs.

In conclusion, the Multitech MT9234ZBA-USB modem stands out for its advanced features, user-friendly interface, and robust performance. It remains an essential tool for those seeking dependable communication solutions in today's ever-evolving technological landscape.
Top Page Image Contents