ELSA MicroLink ISDN USB¶

• Table of contents
• ELSA MicroLink ISDN USB
  • Pictures
  • Issues

A ISDN modem made by ELSA.

Manual

• ELSA_MicroLink_ISDN_USB-manual-DE.pdf

Pictures¶

• Siemens PSB 2115 H V1.2 IPAC
• Siemens SAB-C541U-1EN (On-chip USB module) SAB-C541U-1EN.pdf
• NEC μPD43256BGU (SRAM) UPD43256B.pdf
• VAC 5024x028 (ISDN S0 Line Transformer)

Issues¶

The device does not properly enumerate on the USB ...
overcurrent protection ?

AMD Ryzen X570

usb 3-4: new full-speed USB device number 8 using xhci_hcd
usb 3-4: device descriptor read/64, error -71
usb 3-4: New USB device found, idVendor=05cc, idProduct=2219, bcdDevice= 0.01
usb 3-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 3-4: Product: ELSA MicroLink ISDN USB 
usb 3-4: Manufacturer: ELSA AG

Intel Series/C216

usb 3-1.6: new full-speed USB device number 3 using ehci-pci
usb 3-1.6: device descriptor read/64, error -32
usb 3-1.6: New USB device found, idVendor=05cc, idProduct=2219, bcdDevice= 0.01
usb 3-1.6: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 3-1.6: Product: ELSA Micro Link ISDN USB 
usb 3-1.6: Manufacturer: ELSA AG

Worked for WIMPy on an i3, but only with after using a short cable

usb 1-4.1.3: new full-speed USB device number 46 using xhci_hcd
usb 1-4.1.3: New USB device found, idVendor=05cc, idProduct=2219
usb 1-4.1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-4.1.3: Product: ELSA MicroLink ISDN USB
usb 1-4.1.3: Manufacturer: ELSA AG

Full info

Bus 001 Device 046: ID 05cc:2219 ELSA AG MicroLink ISDN
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.00
  bDeviceClass          255 Vendor Specific Class
  bDeviceSubClass         0
  bDeviceProtocol       255
  bMaxPacketSize0         8
  idVendor           0x05cc ELSA AG
  idProduct          0x2219 MicroLink ISDN
  bcdDevice            0.01
  iManufacturer           1
  iProduct                2
  iSerial                 0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x002e
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          3
    bmAttributes         0xa0
      (Bus Powered)
      Remote Wakeup
    MaxPower               60mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           4
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      0
      bInterfaceProtocol    255
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0012  1x 18 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0012  1x 18 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval               1
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x04  EP 4 OUT
        bmAttributes            1
          Transfer Type            Isochronous
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval               1