00000000 12 01 00 02 00 00 00 40 44 06 0e 80 00 01 01 02 |.......@D.......| 00000010 03 01 09 02 48 00 02 01 00 80 f0 09 04 00 00 00 |....H...........| 00000020 ff 00 00 00 09 04 01 00 00 ff 00 00 00 09 04 01 |................| 00000030 01 04 ff 00 00 00 09 05 81 05 4e 00 01 00 00 09 |..........N.....| 00000040 05 02 05 4e 00 01 00 00 09 05 83 02 09 00 04 00 |...N............| 00000050 00 09 05 04 02 00 02 04 00 00 |..........| 0000005a Bus 001 Device 042: ID 0644:800e TEAC Corp. TASCAM US-122L -- 00000000 12 01 00 02 00 00 00 40 44 06 0e 80 00 01 01 02 |.......@D.......| 00000010 03 01 __________________________________________ |....H...........| -- Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x0644 TEAC Corp. idProduct 0x800e TASCAM US-122L bcdDevice 1.00 iManufacturer 1 (error) <------ Here be Errors! iProduct 2 (error) iSerial 3 (error) bNumConfigurations 1 Configuration Descriptor: -- 00000010 _____ 09 02 48 00 02 01 00 80 f0 ______________ |....H...........| -- bLength 9 bDescriptorType 2 wTotalLength 72 bNumInterfaces 2 <------- 2 interfaces bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 480mA Interface Descriptor: <------ that's 1 -- 00000010 _________________________________ 09 04 00 00 00 |....H...........| 00000020 ff 00 00 00 ____________________________________ |................| -- bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 Interface Descriptor: <------ that's 2 -- 00000020 ___________ 09 04 01 00 00 ff 00 00 00 ________ |................| -- bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 Interface Descriptor: <------ that's 3, err wait... -- 00000020 _______________________________________ 09 04 01 |................| 00000030 01 04 ff 00 00 00 ______________________________ |..........N.....| -- bLength 9 bDescriptorType 4 bInterfaceNumber 1 <------ interface duplicate!! bAlternateSetting 1 bNumEndpoints 4 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: -- 00000030 _________________ 09 05 81 05 4e 00 01 00 00 __ |..........N.....| -- bLength 9 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x004e 1x 78 bytes bInterval 1 bRefresh 0 bSynchAddress 0 Endpoint Descriptor: -- 00000030 _____________________________________________ 09 |..........N.....| 00000040 05 02 05 4e 00 01 00 00 _______________________ |...N............| -- bLength 9 bDescriptorType 5 bEndpointAddress 0x02 EP 2 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x004e 1x 78 bytes bInterval 1 bRefresh 0 bSynchAddress 0 Endpoint Descriptor: -- 00000040 _______________________ 09 05 83 02 09 00 04 00 |...N............| 00000050 00 ___________________________ |..........| -- bLength 9 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0009 1x 9 bytes bInterval 4 bRefresh 0 bSynchAddress 0 Endpoint Descriptor: -- 00000050 __ 09 05 04 02 00 02 04 00 00 |..........| -- bLength 9 bDescriptorType 5 bEndpointAddress 0x04 EP 4 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 4 bRefresh 0 bSynchAddress 0 Device Status: 0x0001 Self Powered