[Ubuntu-BD] Facing Trouble to connect modem

[Shabab Mustafa]

@Kabbo,

Before answering that question we need to be cleared about few things.

1. When an operating system identifies a USB device it identifies with it's
IDs.

2. IDs for each usb device are unique. (Brand name could be different, but
IDs are unique)

3. These IDs are issued and maintained by a non-profit organization called
USB Implementers Forum, Inc., created and funded by consortium of tech
companies like: HP, Intel and MS

4. Each ID had two parts, first one is a vendor ID, second part denotes the
product id.

5. in your output you can see "12d1:14ac", here 12d1 is the vendor ID while
14ac is the product id (the product made by Huawei Technologies Co., Ltd.)

6. The Vendor IDs are assigned by USB-IF and the Products IDs are assigned
by the manufacturers.

7. Manufacturers usually choose IDs to their products of their own within
the basic guideline of USB-IF

Hope these information answers most of your queries. So, the Product ID
'14ac' of your modem was assigned by it's manufacturer and is not bound to
match other GPRS modem made by other companies.

---
Shabab Mustafa



On Wed, Nov 30, 2011 at 10:52 PM, Kabbo Sarker <kabyaa1 at gmail.com> wrote:

> @Shabab Mustafa:
> Only for CDMA or? My GP modems ID is 12d1:14ac
> /Bus 001 Device 006: ID 12d1:14ac Huawei Technologies Co., Ltd./
>
>
> On 11/30/2011 12:13 AM, Shabab Mustafa wrote:
>
>> If your lsusb output shows "ID 19d2:fff1" then you should able to connect
>> the modem already. Because, the Product ID 'fff1' means Modem, while
>> 'fff5'
>> denotes removable USB storage.
>>
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