Installing a Texas Instruments CDC Abstract Modem (USB) (Motorola W388 mobile phone) on fedora 10
Shubhojeet Ghosh
shubhojeet.ghosh at gmail.com
Wed Feb 4 09:36:41 UTC 2009
Hi,
When I plug in my phone Motorola W388 . Can i configure fedora 10 to
use the modem.
The modem works in windows but it requires a device driver
PhSerUsb.sys to set it as a serial device and responds to serial
queries on COM 03 and it needs another set of drivers to register it
as a modem on windows. Drivers are provided by motorola.
What makes me hopeful is the bInterfaceClass = Communication
and bInterfaceSubClass = Modem (Abstract)
on the lsusb -v output.
Will I be able to use it on Linux ?
Kindly guide me on how to do that if possible ?
lsusb -v gives the output
Bus 003 Device 002: ID 22b8:4181 Motorola PCS
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x22b8 Motorola PCS
idProduct 0x4181
bcdDevice 0.01
iManufacturer 1 Motorola
iProduct 2 W388
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 39
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 9 TI Modem
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 3
bInterfaceClass 2 Communications
bInterfaceSubClass 2 Abstract (modem)
bInterfaceProtocol 0 None
iInterface 5 TI Modem Interface
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0010 1x 16 bytes
bInterval 1
Device Status: 0x0000
(Bus Powered)
lsmod gives the output:
Module Size Used by
cdc_acm 17668 0
fuse 49436 2
i915 53380 1
.................
however /dev and subdirectories does not have any ttyACMXX .
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