[Nut-upsuser] Need help with Unitek Alpha 1200sx.

[Joseph Borg]

Hi,
I'm new to NUT. I've installed Fedora 8 and NUt along with it. I'm now
having a go at getting my Unitek Alpha 1200sx UPS to work and shutdown the
box automatically. I know this isn't officially supported but I'm trying my
luck...

I've seen that other Unitek UPSs use the 'megatec' driver however I'm unsure
whether this will do the trick. My UPS comes with a USB connection.
Following is some relevant output:

----------------------
T:  Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#=  2 Spd=1.5 MxCh= 0
D:  Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=0f03 ProdID=0001 Rev= 0.01
S:  Manufacturer=Ver 1.0
S:  Product=USB To RS232 Interface (V1.0) BaudRate 2400bps
C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA
I:* If#= 0 Alt= 0 #EPs= 1 Cls=03(HID  ) Sub=01 Prot=02 Driver=usbhid
E:  Ad=81(I) Atr=03(Int.) MxPS=   8 Ivl=10ms
-----------------------
Bus 001 Device 002: ID 0f03:0001
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.10
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0
  bDeviceProtocol         0
  bMaxPacketSize0         8
  idVendor           0x0f03
  idProduct          0x0001
  bcdDevice            0.01
  iManufacturer           1 Ver 1.0
  iProduct                2 USB To RS232 Interface (V1.0) BaudRate 2400bps
  iSerial                 0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           34
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          4 2400bps
    bmAttributes         0x80
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         3 Human Interface Devices
      bInterfaceSubClass      1 Boot Interface Subclass
      bInterfaceProtocol      2 Mouse
      iInterface              5 USB
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.00
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength      35
         Report Descriptors:
           ** UNAVAILABLE **
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval              10
--------------------------------------

This therefore seems to me like some serial-over-usb type protocol. I'm
therefore unsure as to what driver to try and use (megatec, megatec_usb) and
what device to point it to /dev/ttyS?


I was hoping someone could point me in the right direction.

Many thanks in advance.
Joe
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