Version 1 - History - Diamond SupraMax 56K USB (SUP2920) - Retronetworking - Open Source Mobile Communications

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roox

h1. Diamond SupraMax 56K USB (SUP2920)

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A 56k softmodem made by "Diamond Multimedia's Communications Division":https://www.diamondmm.com (former "Supra Corporation":https://en.wikipedia.org/wiki/Supra_Corporation which was part of "SONICblue Incorporated":https://en.wikipedia.org/wiki/SONICblue_Incorporated)

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h2. Pictures

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{{thumbnail(Diamond_SupraMax_56K_USB-case-top1.jpg)}}

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{{thumbnail(Diamond_SupraMax_56K_USB-case-bottom1.jpg)}}

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{{thumbnail(Diamond_SupraMax_56K_USB-pcb-perspective.jpg)}}

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{{thumbnail(Diamond_SupraMax_56K_USB-pcb-top1.jpg)}}

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{{thumbnail(Diamond_SupraMax_56K_USB-pcb-bottom1.jpg)}}

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h2. USB

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<pre>

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usb 3-6.3.2: new full-speed USB device number 11 using xhci_hcd

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usb 3-6.3.2: New USB device found, idVendor=045a, idProduct=0b68, bcdDevice= 0.01

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usb 3-6.3.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3

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usb 3-6.3.2: Manufacturer: Diamond Multimedia Systems Inc

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</pre>

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<pre>

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Bus 003 Device 019: ID 045a:0b68 SONICblue, Inc. SupraMax 56K Modem

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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          255 Vendor Specific Class

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  bDeviceSubClass       255 Vendor Specific Subclass

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  bDeviceProtocol       255 Vendor Specific Protocol

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  bMaxPacketSize0        64

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  idVendor           0x045a SONICblue, Inc.

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  idProduct          0x0b68 SupraMax 56K Modem

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  bcdDevice            0.01

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  iManufacturer           1 Diamond Multimedia Systems Inc

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  iProduct                2

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  iSerial                 3

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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       0x004a

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    bNumInterfaces          1

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    bConfigurationValue     1

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    iConfiguration          4 Configuration for HCF modem

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    bmAttributes         0xe0

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      Self Powered

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      Remote Wakeup

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    MaxPower              150mA

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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           8

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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 DDP/SSD Scratchpad interface

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      Endpoint Descriptor:

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        bLength                 7

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        bDescriptorType         5

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        bEndpointAddress     0x01  EP 1 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               1

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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            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               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            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               1

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      Endpoint Descriptor:

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        bLength                 7

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        bDescriptorType         5

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        bEndpointAddress     0x82  EP 2 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               1

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      Endpoint Descriptor:

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        bLength                 7

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        bDescriptorType         5

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        bEndpointAddress     0x03  EP 3 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               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            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               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            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               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            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               1

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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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TODO

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