
ZYXEL COMMUNICATIONS CORPORATION

OMNI TA128, OMNI TA128U

Card Type                    ISDN TA
Chipset                      Siemens
ISDN Protocol                V.110, V.120, X.75, PPP
Switch Type                  5ESS, DMS100, 1TR6, EWSD, DSS1, NI-1
Transfer Rate                64Kbps x 2
Data Bus                     Serial
Error Correction/Compression V.42bis

[Image]

                                CONNECTIONS

         Function            Label            Function             Label

  Analog line 1 in            CN1      Serial port 1                CN5

  Analog line 2 in            CN2      DC power in                  CN6

  ISDN line out               CN3      Power switch                 SW1

  Serial port 2               CN4      Auto-dial switch             SW2

            Note: Pressing the auto-dial switch while connected will
            disconnect the call.

                       DIAGNOSTIC LED(S) (POWER-UP)

    LED           Color            Status               Condition

    LNK       Unidentified           On           TA is testing memory

    LNK       Unidentified        Blinking         Memory test failed

    B1        Unidentified           On             TA is testing ISDN
                                                  controller interface

    B1        Unidentified        Blinking      ISDN controller interface
                                                       test failed

    B2        Unidentified           On             TA is testing ISDN
                                                  controller functions

    B2        Unidentified        Blinking       ISDN controller function
                                                       test failed

    AA        Unidentified           On             TA is testing HDLC
                                                        functions

    AA        Unidentified        Blinking      HDLC function test failed

    LNK       Unidentified           On             All tests passed

            Note: On power-up, the LEDs should indicate the tests in
            progress in the order indicated above. A blinking LED or any
            pattern other than the ones shown above indicate an error.
            The final indication should remain lit for one-half of one
            second.

                   DIAGNOSTIC LED(S) (NORMAL OPERATION)

    LED           Color           Status               Condition

    PWR       Unidentified          On                Power is on

    PWR       Unidentified         Off               Power is off

    LNK       Unidentified          On        Physical ISDN layer active

    LNK       Unidentified         Off            Physical ISDN layer
                                                       inactive

    LNK       Unidentified       Blinking       D-channel link layer in
                                                   multi-frame mode

    B1        Unidentified          On           B1 channel connected

    B1        Unidentified         Off         B1 channel not connected

    B1        Unidentified     Random blink          B1 channel is
                                                retransmitting packets

    B1        Unidentified       1 blink       B1 channel is protected by
                                              single DES mode encryption

    B1        Unidentified       3 blinks      B1 channel is protected by
                                              triple DES mode encryption

    B2        Unidentified          On           B2 channel connected

    B2        Unidentified         Off         B2 channel not connected

    B2        Unidentified     Random blink          B2 channel is
                                                retransmitting packets

    B2        Unidentified       1 blink       B2 channel is protected by
                                              single DES mode encryption

    B2        Unidentified       3 blinks      B2 channel is protected by
                                              triple DES mode encryption

    AA        Unidentified          On            Auto-answer enabled

    AA        Unidentified         Off           Auto-answer disabled

    AA        Unidentified       Blinking          Phone is ringing

   DTR1       Unidentified          On        DTR signal of serial port 1
                                                        is high

   DTR1       Unidentified         Off        DTR signal of serial port 1
                                                        is low

    TX1       Unidentified       Blinking           Serial port 1 is
                                                transmitting data to TA

    TX1       Unidentified         Off            Serial port 1 is not
                                                transmitting data to TA

    RX1       Unidentified       Blinking      Serial port 1 is receiving
                                                     data from TA

    RX1       Unidentified         Off            Serial port 1 is not
                                                receiving data from TA

                DIAGNOSTIC LED(S) (NORMAL OPERATION, CONT)

    LED          Color           Status                Condition

    DTR2      Unidentified         On         DTR signal of serial port 2
                                                        is high

    DTR2      Unidentified         Off        DTR signal of serial port 2
                                                        is low

    TX2       Unidentified      Blinking            Serial port 2 is
                                                transmitting data to TA

    TX2       Unidentified         Off            Serial port 2 is not
                                                transmitting data to TA

    RX2       Unidentified      Blinking       Serial port 2 is receiving
                                                     data from TA

    RX2       Unidentified         Off            Serial port 2 is not
                                                receiving data from TA

     1        Unidentified         On          Analog line 1 is off-hook

     1        Unidentified         Off         Analog line 1 is on-hook

     2        Unidentified         On          Analog line 2 is off-hook

     2        Unidentified         Off         Analog line 2 is on-hook

                   SUPPORTED STANDARD COMMANDS

                        Basic AT Commands

  +++, comma, A/

  A, E, L, M, O, Q, V, X, Z

  &C, &D, &F, &H, &S, &W, &Z

                           S-Registers

  S0, S1, S2, S3, S4, S5, S7, S8, S16, S21, S23, S25, S31, S32

            Note: See MHI documentation for complete information.

                         Proprietary AT Command Set

                               AUTO-CALLBACK

  Type:                  Configuration

  Format:                AT [cmds] *GCn [cmds]

  Description:           Selects the auto-callback feature. The modem
                         will compare the caller ID information to the
                         five auto-callback numbers stored with the *HC
                         command. If one of them matches, the modem will
                         reject the call before it connects and call that
                         number back.

        Command                              Function

          *GC0           Auto-callback disabled.

          *GC1           Auto-callback enabled.

                       AUTO-CALLBACK NUMBER DISPLAY

  Type:          Immediate

  Format:        AT [cmds] *VC [cmds]

  Description:   Displays all auto-callback numbers.

                         AUTO-CALLBACK NUMBER SET

  Type:                Configuration

  Format:              AT [cmds] *HCn=<#>

  Description:         Sets auto-callback number n to the number
                       specified. n must be between 0 and 4.

                          BIT-MAPPED REGISTER S24

  Format                 AT [cmds] S24=n [cmds]

  Default:               Unidentified

  Range:                 0-63

  Description:           Controls ring volume, speaker volume, and
                         speaker control for analog line DTMF tone
                         generation.

    Bit       Value                          Function

    1,0             00   Ring volume off.

                    01   Ring volume low.

                    10   Ring volume medium.

                   11    Ring volume high.

     2               0   DTMF tones from analog line 1 follow setting of
                         M command.
                    1
                         DTMF tones from analog line 1 audible regardless
                         of setting of M command.

     3               0   DTMF tones from analog line 2 follow setting of
                         M command.
                    1
                         DTMF tones from analog line 2 audible regardless
                         of setting of M command.

    5,4             00   Speaker volume off.

                    01   Speaker volume low.

                    10   Speaker volume medium.

                   11    Speaker volume high.

                         BIT-MAPPED REGISTER S118

  Format:                AT [cmds] S118=n [cmds]

  Default:               Unidentified

  Range:                 0 - 245

  Description:           Controls dial-in mode, default line speed,
                         low-speed service type, and analog call
                         acceptance.

    Bit       Value                          Function

     0               0   Dial-in calls may be answered.

                    1    Dial-in calls may not be answered.

     1              0    Not used.

     2               0   Use 64Kbps speed for ISDN.

                    1    Use 56Kbps speed for ISDN.

     3              0    Not used.

     4               0   Use 3.1KHz service for analog line 2.

                    1    Use voice service for analog line 2.

     5               0   Use 3.1KHz service for analog line 1.

                    1    Use voice service for analog line 1.

     6               0   All analog calls will be answered.

                    1    Only analog calls with matching MSN will be
                         answered.

     7               0   Incoming analog calls will be answered.

                    1    Incoming analog calls will be ignored.

                          CONFIGURATION PROFILES

  Type:          Immediate

  Format:        AT [cmds] &Vn [cmds]

  Description:   Displays active and stored configuration profiles.

    Command                              Function

      &V0        Displays current settings.

      &V1        Displays profile 0.

      &V2        Displays profile 1.

      &V3        Displays profile 2.

      &V4        Displays profile 3.

      &V5        Displays factory defaults.

      &V6        Displays analog line 1 settings.

      &V7        Displays analog line 2 settings.

                               HOOK CONTROL

  Type:          Immediate

  Format:        AT [cmds] Hn [cmds]

  Description:   Hangs up ISDN and analog lines.

    Command                              Function

       H0         Hangs up line currently in use.

       H3         Hangs up analog line 1.

       H4         Hangs up analog line 2.

                            I-FIELD DATA LENGTH

  Type:                  Register

  Format:                AT [cmds] S114=n S115=n [cmds]

  Default:               Unidentified

  Range:                 0-65535

  Unit:                  N/A

  Description:           These registers set the data length for the
                         I-field. S114 stores the Most Significant Byte,
                         and S115 stores the Least Significant Byte. To
                         set the correct value for S114, use the formula
                         S114 = INT(value/256). To set S115, use the
                         formula S115 = value - S114 * 256.

                          LOCAL SERIAL PORT SPEED

  Type:          Register

  Format:        AT [cmds] S20=n [cmds]

  Description:   Sets the speed of the local serial port.

    Command                              Function

     S20=0       Sets 921.6Kbps speed.

     S20=1       Sets 460.8Kbps speed.

     S20=2       Sets 230.4Kbps speed.

     S20=3       Sets 115.2Kbps speed.

     S20=8       Sets 57.6Kbps speed.

     S20=9       Sets 38.4Kbps speed.

     S20=10      Sets 19.2Kbps speed.

     S20=11      Sets 9600bps speed.

     S20=12      Sets 4800bps speed.

     S20=13      Sets 2400bps speed.

     S20=14      Sets 1200bps speed.

                  LOCAL SERIAL PORT SPEED ON AUTO-ANSWER

  Type:            Register

  Format:          AT [cmds] S18=n [cmds]

  Description:     Sets serial port speed when modem auto-answers an
                   incoming call.

     Command                              Function

        0          Auto-detect current speed.

        1          Sets 921.6Kbps speed.

        2          Sets 460.8Kbps speed.

        3          Sets 230.4Kbps speed.

        4          Sets 115.2Kbps speed.

        9          Sets 57.6Kbps speed.

       10          Sets 38.4Kbps speed.

       11          Sets 19.2Kbps speed.

       12          Sets 9600bps speed.

       13          Sets 4800bps speed.

       14          Sets 2400bps speed.

       15          Sets 1200bps speed.

                              METERING PULSE

  Format           AT [cmds] S89=n [cmds]

  Default:         Unidentified

  Range:           0-96

  Description:     Controls the generation of metering pulses on the
                   analog adapters.

   Bit     Value                          Function

    5           0  Metering pulse for analog line 1 disabled.

               1   Metering pulse for analog line 1 enabled.

    6           0  Metering pulse for analog line 2 disabled.

               1   Metering pulse for analog line 2 enabled.

                             PORT ASSIGNMENTS

  Type:          Configuration

  Format:        AT [cmds] S125=n [cmds]

  Description:   Selects which ports may be in use.

    Command                              Function

     S125=0       Serial port 2 disabled; analog port 2 enabled.

     S125=1       Serial port 2 enabled; analog port 2 disabled.

                          PPP IDLE OUT PREVENTION

  Type:                  Register

  Format:                AT [cmds] S124=n [cmds]

  Default:               0

  Range:                 0-255

  Unit:                  1 second

  Description:           Sends an empty packet after being idle for the
                         time specified to avoid disconnection on PPP
                         connections.

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Description:   Returns requested information about the TA.

    Command                              Function

       I0         Displays product code.

       I1         Displays product information and ROM checksum.

       I9         Displays Plug-N-Play code.

                         SERIAL PORT 2 DATA FORMAT

  Type:          Configuration

  Format:        AT [cmds] *Nn [cmds]

  Description:   Sets the parity used for the second serial port.

    Command                              Function

      *N0         8 data bits, no parity, 1 stop bit.

      *N1         7 data bits, even parity, 1 stop bit.

      *N2         7 data bits, odd parity, 1 stop bit.

                         SERIAL PORT 2 DATA FORMAT

  Type:          Configuration

  Format:        AT [cmds] S46=n [cmds]

  Description:   Sets the parity used for the second serial port.

    Command                              Function

     S46=0        8 data bits, no parity, 1 stop bit.

     S46=1        7 data bits, even parity, 1 stop bit.

     S46=2        7 data bits, odd parity, 1 stop bit.

                        SERIAL PORT 2 FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] *Mn [cmds]

  Description:   Selects the flow control used on the second serial port.

    Command                              Function

      *M0         Flow control disabled.

      *M1         RTS/CTS flow control enabled.

      *M2         XON/XOFF flow control enabled.

                        SERIAL PORT 2 FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] S45=n [cmds]

  Description:   Selects the flow control used on the second serial port.

    Command                              Function

     S45=0        Flow control disabled.

     S45=1        RTS/CTS flow control enabled.

     S45=2        XON/XOFF flow control enabled.

                            SERIAL PORT 2 SPEED

  Type:          Configuration

  Format:        AT [cmds] *An [cmds]

  Description:   Sets the speed of the second serial port.

  Note:          This command may only be issued through port 1.

    Command                              Function

      *A1         Set serial port speed to 115.2Kbps.

      *A2         Set serial port speed to 76.8Kbps.

      *A3         Set serial port speed to 57.6Kbps.

      *A4         Set serial port speed to 38.4Kbps.

      *A5         Set serial port speed to 19.2Kbps.

      *A6         Set serial port speed to 9600bps.

      *A7         Set serial port speed to 2400bps.

                            SERIAL PORT 2 SPEED

  Type:          Configuration

  Format:        AT [cmds] S43=n [cmds]

  Description:   Sets the speed of the second serial port.

    Command                              Function

     S43=0        Set serial port speed to 230.4Kbps.

     S43=1        Set serial port speed to 115.2Kbps.

     S43=2        Set serial port speed to 76.8Kbps.

     S43=3        Set serial port speed to 57.6Kbps.

     S43=4        Set serial port speed to 38.4Kbps.

     S43=5        Set serial port speed to 19.2Kbps.

     S43=6        Set serial port speed to 9600bps.

     S43=7        Set serial port speed to 2400bps.

   See ZYXEL COMMUNICATIONS CORPORATION ELITE 2864I-U for a full command
                                  summary.

                       MISCELLANEOUS TECHNICAL NOTES

  When the referenced document refers to "A/B adapter", these commands
  apply to analog line 1. When it refers to "fax/data modem", they apply
  to analog line 2.


