Zyxel Omni 56k USB¶

• Table of contents
• Zyxel Omni 56k USB
  • Hardware
  • USB
  • AT-commands
  • Firmware

A 56K USB modem made by Zyxel.

• ZyXEL_Omni_56k_USB-datasheet.pdf
• ZyXEL_Omni_56k_USB-users-guide.pdf

Downloads (Firmware, Drivers, ...)
https://ftp.gwdg.de/pub/misc/zyxel-euro/Omni_56K_USB/

Hardware¶

USB¶

usb 3-6.3.2: USB disconnect, device number 8
usb 3-6.3.1: new full-speed USB device number 9 using xhci_hcd
usb 3-6.3.1: New USB device found, idVendor=0ace, idProduct=1602, bcdDevice= 0.01
usb 3-6.3.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 3-6.3.1: Product: 56K USB Modem
usb 3-6.3.1: Manufacturer: ZyDAS 
cdc_acm 3-6.3.1:1.0: ttyACM1: USB ACM device

Bus 003 Device 009: ID 0ace:1602 ZyDAS ZyXEL Omni FaxModem 56K
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.01
  bDeviceClass            2 Communications
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0         8
  idVendor           0x0ace ZyDAS
  idProduct          0x1602 ZyXEL Omni FaxModem 56K
  bcdDevice            0.01
  iManufacturer           1 ZyDAS 
  iProduct                2 56K USB Modem
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x0043
    bNumInterfaces          2
    bConfigurationValue     1
    iConfiguration          4 ZyDAS 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower              300mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         2 Communications
      bInterfaceSubClass      2 Abstract (modem)
      bInterfaceProtocol      1 AT-commands (v.25ter)
      iInterface              5 ZyDAS 
      CDC Header:
        bcdCDC               1.01
      CDC Call Management:
        bmCapabilities       0x03
          call management
          use DataInterface
        bDataInterface          1
      CDC ACM:
        bmCapabilities       0x06
          sends break
          line coding and serial state
      CDC Union:
        bMasterInterface        0
        bSlaveInterface         1 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0010  1x 16 bytes
        bInterval             128
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass        10 CDC Data
      bInterfaceSubClass      0 
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
Device Status:     0x0000
  (Bus Powered)

AT-commands¶

ATI
1602

OK

ATI1
02093
Omni 56K USB  1.03
2002 12 27 15:27

OK

ATI2

   ZyXEL MODEMS LINK STATUS REPORT

   Chars Sent             3     Chars Received           0
   Octets Sent            3     Octets Received          0
   Blocks Sent            3     Blocks Received          0
   Blocks Resent          0     Max Outstanding          5
   Max Block Size       128     Retrains Requested       1
   Link Duration          0     Retrains Granted         1
   FRN Requested          0     FRN Granted              1
   FCS Errors           112     Round Trip Delay       351
   Xmitter Underrun       0     Receiver Overrun         0

   Last Speed/Protocol     T21600/R31200/ARQ/V34b/V42b/SREJ

   Disconnect Reason     Carrier lost 1

OK

ATI3
ZyXEL V.90 1.03

OK

ATI4
V.90 Fax Modem

OK

ATI5
OK

ATI6
OK

ATI7
OK

ATI8
OK

ATI9
($ZYX70ED\00000000\MODEM\\ZyXEL Omni 56K USB22)

OK

ATI10
OK

ATI11
OK

ATI12
   ZyXEL MODEMS PHYSICAL LAYER STATUS REPORT

   Modulation mode   =     V34b
   Tx Carrier        =     1920 Hz       Rx Carrier            =     1920 Hz
   Tx Baud Rate      =     3200 Baud     Rx Baud Rate          =     3200 Baud
   Tx Bit Rate       =    21600 bps      Rx Bit Rate           =    31200 bps
   Tx Power          =   -11.00 dBm      Rx Level              =   -73.30 dBm
   Phase Jitter      =     0.00 degree   Frequency Offset      =     0.05 Hz
   SNR               =    63.54 dB       Round Trip Delay      =   351.00 ms
   Near End Echo     =   -21.69 dB       Far End Echo          =  -121.85 dB
   Nonlinear Encoder =       ON          Nonlinear Decoder     =       ON 
   Tx Shaping        =      Exp          Rx Shaping            =      Min 
   Trellis Encoder   =       16 state    Convolutional Decoder =       64 state
   Tx Filter Index   =        0          Remote Tx Filter Index=        0 
   Tx Precoder Coefficients          = 0000  0000  0000  0000  0000  0000  
   Remote Tx Precoder Coefficients   = 0000  0000  0000  0000  0000  0000  

OK

ATI13
  -0| = = = = = = = = = = = = = = = = = = = = = H00:0000  H01:0000
  -2| = = = = = = = = = = = = = = = = = = = = = H02:0000  H03:0000
  -4| = = = = = = = = = = = = = = = = = = = = = H04:0000  H05:0000
  -6| = = = = = = = = = = = = = = = = = = = = = H06:0000  H07:0000
  -8| = = = = = = = = = = = = = = = = = = = = = H08:0000  H09:0000
 -10| = = = = = = = = = = = = = = = = = = = = = H10:0000  H11:0000
 -12| = = = = = = = = = = = = = = = = = = = = = H12:0000  H13:0000
 -14| = = = = = = = = = = = = = = = = = = = = = H14:0000  H15:0000
 -16| = = = = = = = = = = = = = = = = = = = = = H16:0000  H17:0000
 -18| = = = = = = = = = = = = = = = = = = = = = H18:0000  H19:0000
 -20| = = = = = = = = = = = = = = = = = = = = = H20:0000  
 -22| = = = = = = = = = = = = = = = = = = = = = 0000 0000 0000 0000 0000 0000 
 -24| = = = = = = = = = = = = = = = = = = = = = 0000 0000 0000 0000 0000 0000 
 -26| = = = = = = = = = = = = = = = = = = = = = 0000 0000 0000 0000 0000 0000 
 -28| = = = = = = = = = = = = = = = = = = = = =    AGC:    3.05 dB/0000 /0000
 -30| = = = = = = = = = = = = = = = = = = = = =    IMD:     0000    /0600
 dB +--------------------------------------------  Echo Pwr:    0.00/    0.00
    F 0 0 0 0 0 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 3    L1 Power:    0.00/    0.00
    R 1 3 4 6 7 0 3 5 6 9 1 2 5 7 8 0 1 3 4 6 7    L2 Power:    0.00/    0.00
    E 5 0 5 0 5 5 5 0 5 5 0 5 5 0 5 0 5 0 5 0 5    S/N:         0.00
    Q 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0    S/E:      0.00 dB/    0.00
OK

ATI14
   ZyXEL MODEMS V.9x CAPABILITY REPORT

   Local  Modem V.9x Capability  =  V.92 / APCM
   Remote Modem V.9x Capability  =  V.90 / DPCM
   Local  Modem PSTN Connection  =  Analogue
   Remote Modem PSTN Connection  =  Digital
   Local  Modem Probing Report   =  V.92 / 3429
   Remote Modem Probing Report   =  V.90 / 3200

OK

ATI15
   ZyXEL MODEMS V.9x POWER MANAGEMENT REPORT

   DPCM nominal tx power for phase 2  :     -8.00  dBm
   DPCM actual  tx power for phase 2  :    -14.00  dBm
   Maximum DPCM tx power for phase 3  :     -9.00  dBm
   Maximum DPCM tx power measured at  :     Codec
   Digital PAD loss                   :      0.00  dB
   IMD value measured at phase 2      :      000B
   DPCM tx power reduction for IMD    :      0.00  dB
   APCM receive power at Phase 2      :    -16.84  dBm
   APCM receive power at TRN1d        :    -11.12  dBm
   APCM receive power at Data State   :     -2.37  dBm
----------------------------------------------------------------
   DPCM Terminal tx power             :     -0.47  dBm
   DPCM Codec tx power                :     -0.47  dBm

OK

ATI16
OK

ATI17
V34b T21600/R31200 RTG=    1 RTR=    1 FTG=    1 FTR=    0

OK

ATI18
CPU: 49.152MHz
OK
...
...
...
ATI20

0.
C3A7    0000 
0000 
0000 0000 0000 0000 0000 0000 
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 
0000 0000 0000 0000 0000 0000 
0000 0000 0000 0000 0000 0000 
1.
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 
2.
0000 0000 0000 0000 0000 0000 
0000 0000 0000 0000 0000 0000 
0000 0000 0000 
0000 0000 
0000 0000 0000 0000 0000 0000 
0000 0000 0000 0000 
3.
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 

OK
ATI21
OK
ATI22
OK

Firmware¶

• Omni_56K_USB_1.00.zip
• Omni_56K_USB_1.01.zip
• Omni_56K_USB_1.02.zip
• Omni_56K_USB_1.03.zip