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ELSA MicroLink 56k USB » History » Version 1

roox, 12/30/2022 01:13 PM

1 1 roox
h1. ELSA MicroLink 56k USB
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{{toc}}
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A 56k "USB modem":https://web.archive.org/web/20000302153752/http://www.elsa.de/ made by ELSA.
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Multiple hardware variants exist:
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* USB-12
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** Label / ATI6: ELSA AG MicroLink 56k
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** USB-connector color: white
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** ATI3: Version 1.01 / 26.05.1999
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* USB-16
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** Label / ATI6: ELSA AG MicroLink 56k (V.250)
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** USB connector color: black
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** ATI3: Version 1.11 / 21.03.2000
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|Supply Voltage| 5V DC USB powered|
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|Power Consumption| ~0.19A|
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|Line Connector|RJ11|
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h2. Hardware
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{{thumbnail(ELSA-MicroLink-56k-USB-case.jpg)}}
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h3. USB-12
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@05cc:2265@ ELSA AG MicroLink 56k
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{{thumbnail(ELSA-MicroLink-56k-USB-12-pcb-perspective.jpg)}}
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{{thumbnail(ELSA-MicroLink-56k-USB-12-pcb-top1.jpg)}}
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{{thumbnail(ELSA-MicroLink-56k-USB-12-pcb-bottom1.jpg)}}
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{{thumbnail(ELSA-MicroLink-56k-USB-12-case-bottom1.jpg)}}
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We can see here:
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* Lucent 1675T28 RDD12V (Modem)
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* Lucent 1043C-J 9951T 55602741 (???)
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* ??? Lucent ??? USB 9926S 2284843 (??? USB UART Bridge ???)
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* Atmel 24C04N-SC (4K Serial EEPROM) attachment:AT24C04.pdf
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* AMD AM29LV040B Flash (4 Megabit (512K x 8-Bit)) attachment:AM29LV040B.pdf
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* 2x Cypress CY7C1399 (32K x 8 3.3V SRAM) attachment:CY7C1399.pdf
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* FEE FTM7201 (Transformer) attachment:FTM720X.pdf
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* OMRON 2189K1 5VDC (Relay for Signal Switching)
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* ...
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h3. USB-16
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@05cc:2267@ ELSA AG MicroLink 56k (V.250)
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{{thumbnail(ELSA-MicroLink-56k-USB-16-pcb-perspective.jpg)}}
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{{thumbnail(ELSA-MicroLink-56k-USB-16-pcb-top1.jpg)}}
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{{thumbnail(ELSA-MicroLink-56k-USB-16-pcb-bottom1.jpg)}}
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{{thumbnail(ELSA-MicroLink-56k-USB-16-case-bottom1.jpg)}}
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We can see here:
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* Lucent 1675T28 RDD12V (Modem)
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* Lucent 1043C-J 9951T 55602741 (???)
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* ??? Lucent ??? USB 9943S 2578843 (??? USB UART Bridge ???)
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* Atmel 24C04N-SC (4K Serial EEPROM) attachment:AT24C04.pdf
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* AMD AM29LV040B Flash (4 Megabit (512K x 8-Bit)) attachment:AM29LV040B.pdf
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* 2x Cypress CY7C1399 (32K x 8 3.3V SRAM) attachment:CY7C1399.pdf
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* FEE FTM7201 (Transformer) attachment:FTM720X.pdf
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* Takamisawa BA5W-K (Relay for Signal Switching) attachment:BA5W-K.pdf
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* ...
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h2. USB
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h3. USB-12
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<pre>
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usb 3-6.3.2: new full-speed USB device number 39 using xhci_hcd
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usb 3-6.3.2: New USB device found, idVendor=05cc, idProduct=2265, bcdDevice= 1.00
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usb 3-6.3.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
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usb 3-6.3.2: Product: ELSA Modem Board
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usb 3-6.3.2: Manufacturer: Lucent Technologies, Inc.
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cdc_acm 3-6.3.2:2.0: ttyACM1: USB ACM device
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</pre>
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<pre>
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Bus 003 Device 039: ID 05cc:2265 ELSA AG MicroLink 56k
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Device Descriptor:
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  bLength                18
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  bDescriptorType         1
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  bcdUSB               1.00
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  bDeviceClass            2 Communications
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  bDeviceSubClass         0 
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  bDeviceProtocol         0 
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  bMaxPacketSize0         8
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  idVendor           0x05cc ELSA AG
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  idProduct          0x2265 MicroLink 56k
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  bcdDevice            1.00
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  iManufacturer           1 Lucent Technologies, Inc.
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  iProduct                2 ELSA Modem Board
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  iSerial                 0 
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  bNumConfigurations      2
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  Configuration Descriptor:
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    bLength                 9
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    bDescriptorType         2
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    wTotalLength       0x0029
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    bNumInterfaces          2
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    bConfigurationValue     1
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    iConfiguration          3 
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    bmAttributes         0xa0
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      (Bus Powered)
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      Remote Wakeup
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    MaxPower              400mA
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    Interface Descriptor:
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      bLength                 9
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      bDescriptorType         4
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      bInterfaceNumber        0
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      bAlternateSetting       0
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      bNumEndpoints           0
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      bInterfaceClass       255 Vendor Specific Class
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      bInterfaceSubClass    255 Vendor Specific Subclass
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      bInterfaceProtocol    255 Vendor Specific Protocol
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      iInterface              4 
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    Interface Descriptor:
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      bLength                 9
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      bDescriptorType         4
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      bInterfaceNumber        1
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      bAlternateSetting       0
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      bNumEndpoints           2
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      bInterfaceClass       255 Vendor Specific Class
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      bInterfaceSubClass    255 Vendor Specific Subclass
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      bInterfaceProtocol    255 Vendor Specific Protocol
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      iInterface              5 
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x02  EP 2 OUT
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        bmAttributes            2
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          Transfer Type            Bulk
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          Synch Type               None
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          Usage Type               Data
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        wMaxPacketSize     0x0010  1x 16 bytes
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        bInterval               0
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x84  EP 4 IN
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        bmAttributes            3
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          Transfer Type            Interrupt
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          Synch Type               None
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          Usage Type               Data
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        wMaxPacketSize     0x003f  1x 63 bytes
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        bInterval               2
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  Configuration Descriptor:
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    bLength                 9
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    bDescriptorType         2
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    wTotalLength       0x003e
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    bNumInterfaces          2
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    bConfigurationValue     2
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    iConfiguration          6 
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    bmAttributes         0xa0
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      (Bus Powered)
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      Remote Wakeup
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    MaxPower              400mA
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    Interface Descriptor:
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      bLength                 9
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      bDescriptorType         4
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      bInterfaceNumber        0
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      bAlternateSetting       0
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      bNumEndpoints           1
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      bInterfaceClass         2 Communications
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      bInterfaceSubClass      2 Abstract (modem)
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      bInterfaceProtocol      1 AT-commands (v.25ter)
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      iInterface              4 
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      CDC Header:
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        bcdCDC               0.01
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      CDC Call Management:
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        bmCapabilities       0x03
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          call management
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          use DataInterface
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        bDataInterface          1
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      CDC ACM:
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        bmCapabilities       0x07
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          sends break
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          line coding and serial state
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          get/set/clear comm features
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x84  EP 4 IN
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        bmAttributes            3
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          Transfer Type            Interrupt
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          Synch Type               None
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          Usage Type               Data
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        wMaxPacketSize     0x0020  1x 32 bytes
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        bInterval             128
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    Interface Descriptor:
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      bLength                 9
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      bDescriptorType         4
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      bInterfaceNumber        1
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      bAlternateSetting       0
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      bNumEndpoints           2
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      bInterfaceClass        10 CDC Data
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      bInterfaceSubClass      2 
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      bInterfaceProtocol      1 
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      iInterface              5 
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x02  EP 2 OUT
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        bmAttributes            2
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          Transfer Type            Bulk
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          Synch Type               None
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          Usage Type               Data
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        wMaxPacketSize     0x0040  1x 64 bytes
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        bInterval               0
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x86  EP 6 IN
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        bmAttributes            2
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          Transfer Type            Bulk
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          Synch Type               None
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          Usage Type               Data
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        wMaxPacketSize     0x0040  1x 64 bytes
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        bInterval               0
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Device Status:     0x0000
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  (Bus Powered)
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</pre>
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h3. USB-16
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<pre>
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usb 3-1.5: new full-speed USB device number 3 using ehci-pci
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usb 3-1.5: New USB device found, idVendor=05cc, idProduct=2267, bcdDevice= 1.00
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usb 3-1.5: New USB device strings: Mfr=1, Product=2, SerialNumber=0
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usb 3-1.5: Product: ELSA Modem Board
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usb 3-1.5: Manufacturer: Lucent Technologies, Inc.
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cdc_acm 3-1.5:2.0: ttyACM0: USB ACM device
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usbcore: registered new interface driver cdc_acm
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cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
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</pre>
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<pre>
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Bus 003 Device 004: ID 05cc:2267 ELSA AG MicroLink 56k (V.250)
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Device Descriptor:
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  bLength                18
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  bDescriptorType         1
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  bcdUSB               1.00
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  bDeviceClass            2 Communications
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  bDeviceSubClass         0 
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  bDeviceProtocol         0 
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  bMaxPacketSize0         8
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  idVendor           0x05cc ELSA AG
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  idProduct          0x2267 MicroLink 56k (V.250)
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  bcdDevice            1.00
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  iManufacturer           1 Lucent Technologies, Inc.
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  iProduct                2 ELSA Modem Board
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  iSerial                 0 
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  bNumConfigurations      2
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  Configuration Descriptor:
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    bLength                 9
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    bDescriptorType         2
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    wTotalLength       0x0029
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    bNumInterfaces          2
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    bConfigurationValue     1
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    iConfiguration          3 Lucent NT Modem USB
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    bmAttributes         0xa0
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      (Bus Powered)
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      Remote Wakeup
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    MaxPower              400mA
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    Interface Descriptor:
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      bLength                 9
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      bDescriptorType         4
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      bInterfaceNumber        0
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      bAlternateSetting       0
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      bNumEndpoints           0
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      bInterfaceClass       255 Vendor Specific Class
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      bInterfaceSubClass    255 Vendor Specific Subclass
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      bInterfaceProtocol    255 Vendor Specific Protocol
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      iInterface              4 Lucent Win95 Modem USB
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    Interface Descriptor:
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      bLength                 9
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      bDescriptorType         4
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      bInterfaceNumber        1
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      bAlternateSetting       0
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      bNumEndpoints           2
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      bInterfaceClass       255 Vendor Specific Class
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      bInterfaceSubClass    255 Vendor Specific Subclass
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      bInterfaceProtocol    255 Vendor Specific Protocol
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      iInterface              5 Control Interface
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x02  EP 2 OUT
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        bmAttributes            2
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          Transfer Type            Bulk
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          Synch Type               None
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          Usage Type               Data
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        wMaxPacketSize     0x0010  1x 16 bytes
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        bInterval               0
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x84  EP 4 IN
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        bmAttributes            3
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          Transfer Type            Interrupt
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          Synch Type               None
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          Usage Type               Data
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        wMaxPacketSize     0x003f  1x 63 bytes
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        bInterval               2
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  Configuration Descriptor:
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    bLength                 9
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    bDescriptorType         2
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    wTotalLength       0x0043
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    bNumInterfaces          2
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    bConfigurationValue     2
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    iConfiguration          6 Data Interface
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    bmAttributes         0xa0
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      (Bus Powered)
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      Remote Wakeup
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    MaxPower              400mA
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    Interface Descriptor:
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      bLength                 9
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      bDescriptorType         4
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      bInterfaceNumber        0
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      bAlternateSetting       0
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      bNumEndpoints           1
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      bInterfaceClass         2 Communications
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      bInterfaceSubClass      2 Abstract (modem)
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      bInterfaceProtocol      1 AT-commands (v.25ter)
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      iInterface              4 Lucent Win95 Modem USB
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      CDC Header:
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        bcdCDC               1.00
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      CDC Call Management:
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        bmCapabilities       0x03
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          call management
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          use DataInterface
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        bDataInterface          1
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      CDC ACM:
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        bmCapabilities       0x07
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          sends break
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          line coding and serial state
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          get/set/clear comm features
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      CDC Union:
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        bMasterInterface        0
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        bSlaveInterface         1 
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x84  EP 4 IN
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        bmAttributes            3
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          Transfer Type            Interrupt
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          Synch Type               None
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          Usage Type               Data
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        wMaxPacketSize     0x0020  1x 32 bytes
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        bInterval             128
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    Interface Descriptor:
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      bLength                 9
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      bDescriptorType         4
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      bInterfaceNumber        1
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      bAlternateSetting       0
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      bNumEndpoints           2
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      bInterfaceClass        10 CDC Data
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      bInterfaceSubClass      0 
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      bInterfaceProtocol      0 
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      iInterface              5 Control Interface
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x02  EP 2 OUT
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        bmAttributes            2
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          Transfer Type            Bulk
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          Synch Type               None
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          Usage Type               Data
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        wMaxPacketSize     0x0040  1x 64 bytes
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        bInterval               0
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x86  EP 6 IN
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        bmAttributes            2
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          Transfer Type            Bulk
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          Synch Type               None
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          Usage Type               Data
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        wMaxPacketSize     0x0040  1x 64 bytes
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        bInterval               0
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can't get debug descriptor: Resource temporarily unavailable
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Device Status:     0x0000
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  (Bus Powered)
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</pre>
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h2. AT-commands 
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USB-16
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<pre>
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ATI
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OK
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ATI1
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A8BA
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OK
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ATI2
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OK
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ATI3
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Version 1.11 / 21.03.2000
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OK
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ATI4
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17
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OK
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ATI5
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"Version 1.11 / 21.03.2000",0,06
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OK
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ATI6
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MicroLink 56k USB (V.250)
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OK
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ATI7
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OK
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ATI8
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OK
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ATI9
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Germany
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OK
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ATI11
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    Description                         Status
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    ---------------                     ------------ 
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    Last Connection                     V.34            
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    Initial Transmit Carrier Rate       16800           
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    Initial Receive  Carrier Rate       31200           
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    Final   Transmit Carrier Rate       16800           
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    Final   Receive  Carrier Rate       31200           
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    Protocol Negotiation Result         LAPM/SREJ       
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    Data Compression Result             V42bis          
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    Estimated Noise Level               23              
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    Receive  Signal Power Level  (-dBm) 11              
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    Transmit Signal Power Level  (-dBm) 10              
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    Round Trip Delay             (msec) 357             
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    Near Echo Level              (-dBm) 19              
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    Far  Echo Level              (-dBm) 71              
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    Transmit Frame Count                0               
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    Transmit Frame Error Count          0               
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    Receive  Frame Count                0               
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    Receive  Frame Error Count          0               
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    Retrain by Local  Modem             1               
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    Retrain by Remote Modem             1               
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    Rate Renegotiation by Local Modem   0               
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    Rate Renegotiation by Remote Modem  0               
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    Call Termination Cause              0               
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    Robbed-Bit Signaling                NA              
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    Digital Loss                   (dB) NA              
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    Remote Server ID                    834355E1
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    Last PCM S PTR                      938E            
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OK
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</pre>
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