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Devolo MicroLink 56k Fun USB » History » Version 2

laforge, 10/04/2019 08:33 AM

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h1. devolo MicroLink 56k Fun USB
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This is a Softmodem/Winmodem, which means all the DSP math has to be performed  by the host computer CPU.
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It is using the ST7554 USB softmodem chipset.  No open source drivers were ever released.
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<pre>
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Bus 001 Device 041: ID 0483:7554 STMicroelectronics 56k SoftModem                                                                                              
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Device Descriptor:                                                                                                                                             
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  bLength                18                                                                                                                                    
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  bDescriptorType         1                                                                                                                                    
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  bcdUSB               2.00                                                                                                                                    
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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           0x0483 STMicroelectronics                                                                                                                 
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  idProduct          0x7554 56k SoftModem                                                                                                                      
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  bcdDevice            2.10                                                                                                                                    
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  iManufacturer           0                                                                                                                                    
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  iProduct                0                                                                                                                                    
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  iSerial                 0                                                                                                                                    
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  bNumConfigurations      1                                                                                                                                    
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  Configuration Descriptor:                                                                                                                                    
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    bLength                 9                                                                                                                                  
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    bDescriptorType         2                                                                                                                                  
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    wTotalLength       0x008a                                                                                                                                  
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    bNumInterfaces          1                                                                                                                                  
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    bConfigurationValue     1                                                                                                                                  
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    iConfiguration          0                                                                                                                                  
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    bmAttributes         0xa0                                                                                                                                  
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      (Bus Powered)                                                                                                                                            
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      Remote Wakeup                                                                                                                                            
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    MaxPower              100mA                                                                                                                                
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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    128 
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      bInterfaceProtocol    255 
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      iInterface              0 
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x81  EP 1 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     0x0004  1x 4 bytes
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        bInterval               1
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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       1
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      bNumEndpoints           3
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      bInterfaceClass         2 Communications
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      bInterfaceSubClass    128 
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      bInterfaceProtocol    255 
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      iInterface              0 
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x81  EP 1 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     0x0004  1x 4 bytes
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        bInterval               1
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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            1
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          Transfer Type            Isochronous
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          Synch Type               None
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          Usage Type               Data
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        wMaxPacketSize     0x0080  1x 128 bytes
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        bInterval               1
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x83  EP 3 IN
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        bmAttributes            1
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          Transfer Type            Isochronous
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          Synch Type               None
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          Usage Type               Data
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        wMaxPacketSize     0x0080  1x 128 bytes
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        bInterval               1
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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       2
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      bNumEndpoints           3
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      bInterfaceClass         2 Communications
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      bInterfaceSubClass    128 
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      bInterfaceProtocol    255 
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      iInterface              0 
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x81  EP 1 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     0x0004  1x 4 bytes
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        bInterval               1
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x04  EP 4 OUT
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        bmAttributes            1
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          Transfer Type            Isochronous
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          Synch Type               None
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          Usage Type               Data
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        wMaxPacketSize     0x0080  1x 128 bytes
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        bInterval               1
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x85  EP 5 IN
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        bmAttributes            1
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          Transfer Type            Isochronous
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          Synch Type               None
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          Usage Type               Data
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        wMaxPacketSize     0x0080  1x 128 bytes
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        bInterval               1
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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       3
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      bNumEndpoints           5
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      bInterfaceClass         2 Communications
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      bInterfaceSubClass    128 
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      bInterfaceProtocol    255 
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      iInterface              0 
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x81  EP 1 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     0x0004  1x 4 bytes
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        bInterval               1
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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            1
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          Transfer Type            Isochronous
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          Synch Type               None
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          Usage Type               Data
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        wMaxPacketSize     0x0080  1x 128 bytes
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        bInterval               1
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x83  EP 3 IN
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        bmAttributes            1
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          Transfer Type            Isochronous
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          Synch Type               None
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          Usage Type               Data
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        wMaxPacketSize     0x0080  1x 128 bytes
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        bInterval               1
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x04  EP 4 OUT
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        bmAttributes            1
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          Transfer Type            Isochronous
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          Synch Type               None
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          Usage Type               Data
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        wMaxPacketSize     0x0080  1x 128 bytes
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        bInterval               1
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      Endpoint Descriptor:
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        bLength                 7
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        bDescriptorType         5
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        bEndpointAddress     0x85  EP 5 IN
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        bmAttributes            1
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          Transfer Type            Isochronous
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          Synch Type               None
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          Usage Type               Data
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        wMaxPacketSize     0x0080  1x 128 bytes
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        bInterval               1
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      INVALID CDC (Header):  09 24 00 00 01 04 24 03 00
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can't get device qualifier: Resource temporarily unavailable
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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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</re>
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</pre>
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