
ALPHA TELECOM, INC.

UTA120

Card Type                        ISDN TA
Chip Set                         Unidentified
I/O Options                      Power, ISDN BRI interface via RJ-45
                                 connector, RJ-11 analog port (2),

                                 ISDN U interface via RJ-11 connector,
                                 9-pin data port
ISDN Rate                        128Kbps
ISDN Modulation Protocol         V.120, HDLC, PPP
Error Correction/Compression     Unidentified
Data Bus                         External

[Image]

                                CONNECTIONS

        Function           Label              Function             Label

  Power                         CN1      ISDN U interface           CN5
                                         (RJ-11)

  Telephone line 1 (RJ-11)      CN2      9-pin serial port          CN6

  Telephone line 2 (RJ-11)      CN3      Power switch               SW1

  ISDN BRI interface            CN4
  (RJ-45)

                      USER CONFIGURABLE SETTINGS

                    Setting                      Label     Position

  Remote configuration enabled                   SW1/1        On

  Remote configuration disabled                  SW1/1        Off

  Local loopback enabled                         SW1/2        On

  Local loopback disabled                        SW1/2        Off

  Factory configured - do not alter              SW1/3   Unidentified

  Factory configured - do not alter              SW1/4   Unidentified

  Factory configured - do not alter              SW1/5   Unidentified

  Forced software download enabled               SW1/6        On

  Forced software download disabled              SW1/6        Off

                    S/T TERMINATION SELECTION

           Setting                 SW1/7             SW1/8

  100Ohm resistance enabled         On                On

     Resistance disabled            Off               Off

                             DIAGNOSTIC LED(S)

   LED        Color         Status                  Condition

   PWR        Green           On                   Power is on

   PWR        Green          Off                  Power is off

   LNE        Green           On               U interface active

   LNE         Red            On              U interface inactive

   TEL1       Green           On           Analog connection is good on
                                                telephone line 1

   TEL1       Green        Blinking         Analog connection is being
                                         established on telephone line 1

   TEL1       Green          Off          Analog connection is broken on
                                                telephone line 1

   TEL2       Green           On           Analog connection is good on
                                                telephone line 2

   TEL2       Green        Blinking         Analog connection is being
                                         established on telephone line 2

   TEL2       Green          Off          Analog connection is broken on
                                                telephone line 2

   DATA       Green           On          Network connection is good on
                                                   B-channel 1

   DATA       Green        Blinking        Network connection is being
                                           established on B-channel 1

   DATA       Green          Off         Network connection is broken on
                                                   B-channel 1

   DATA        Red            On          Network connection is good on
                                                   B-channel 2

   DATA        Red         Blinking        Network connection is being
                                           established on B-channel 2

   DATA        Red           Off         Network connection is broken on
                                                   B-channel 2

    TD        Green           On           Modem is transmitting data

    TD        Green          Off         Modem is not transmitting data

    RD        Green           On             Modem is receiving data

    RD        Green          Off           Modem is not receiving data

   DTR        Green           On                Computer is ready

   DTR        Green          Off              Computer is not ready

   TST        Yellow          On             TA is conducting a test

   TST        Yellow         Off           TA is not conducting a test

                   SUPPORTED COMMAND SET

                     Basic AT Commands

  AT, A/, +++

  A, E, Q, V

  &C, &Z

                        S Registers

  S0, S1, S2, S3, S4



  Note: See MHI Help File for full command documentation.

                         PROPRIETARY AT COMMAND SET

                          CONFIGURATION PROFILES

  Type:                 Immediate

  Format:               AT [cmds] &V [cmds]

  Description:          Displays active, stored, and system configuration
                        profiles and analog port settings

       Command                              Function

         &V0            Display active profile

         &V1            Display user profile 1

         &V2            Display user profile 2

         &V3            Display system parameters and analog port
                        settings

                           DATA SET READY (DSR)

  Type:          Configuration

  Format:        AT [cmds] &Sn [cmds]

  Description:   Selects DSR options

    Command                              Function

      &S0        DSR forced high

      &S1        DSR high only while modem is handshaking or connected

                         DATA TERMINAL READY (DTR)

  Type:          Configuration

  Format:        AT [cmds] &Dn [cmds]

  Description:   Selects modem response to DTR

    Command                              Function

      &D0        DTR override

      &D1        DTR toggle causes online command mode

      &D2        Normal DTR operations

      &D3        Resets on receipt of DTR

                                   DIAL

  Type:                  Immediate

  Format:                AT [cmds] D<#> [cmds]

  Description:           Dials telephone number according to any
                         modifiers included in the string

  Note:                  Any combination of modifiers can be used to
                         produce the desired dial functions in sequence.

        Command                              Function

           DL            Re-dial last number

          DS=n           Dial stored telephone number n (0-3)

                          FACTORY DEFAULT PROFILE

  Type:             Configuration

  Format:           AT [cmds] &F [cmds]

  Description:      Sets values in active profile to values found in the
                    default profile

     Command                              Function

       &F0          Load active profile the factory profile 0

       &F1          Load active profile the factory profile 1

       &F2          Load active profile the factory profile 2

       &F3          Load active profile the factory profile 3

       &F5          Load active profile the factory profile 5

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] &Kn [cmds]

  Description:   Enables flow control options

    Command                              Function

      &K0        Flow control disabled

      &K3        RTS/CTS flow control enabled

      &K4        XON/XOFF flow control enabled

                               HOOK CONTROL

  Type:          Immediate

  Format:        AT [cmds] Hn [cmds]

  Description:   Selects whether the modem is on-hook or off-hook

    Command                              Function

       H0        Modem commanded to go on-hook (hang-up)

                           LAST CALL INFORMATION

  Type:          Configuration

  Format:        AT [cmds] &Ln [cmds]

  Description:   Reports last call information

    Command                              Function

      &L0        Reports information of last call on data port

      &L1        Reports information of last call on telephone line 1

      &L2        Reports information of last call on telephone line 2

                                  ON-LINE

  Type:           Immediate

  Format:         AT [cmds] On [cmds]

  Description:    Controls on-line command (data transmission) state
                  options.

    Command                              Function

       O0         On-line command mode with no retraining enabled

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Description:   Displays information requested

    Command                              Function

       I0        Reports maximum network rate

       I1        Reports ROM checksum

       I2        Reserved

       I3        Reports model ID and version number

                        RESTORE PROFILE ON POWER-UP

  Type:               Configuration

  Format:             AT [cmds] &Yn [cmds]

  Description:        Restores a selected profile into the active profile
                      on power-up (hard reset)

      Command                              Function

        &Y1           Restore profile 1 on power-up

        &Y2           Restore profile 2 on power-up

                     SELECT CALL PROGRESS RESULT CODES

  Type:               Configuration

  Format:             AT [cmds] Xn [cmds]

  Description:        Enables selection of tone detection and associated
                      result code format options

      Command                              Function

         X0           CONNECT result codes are displayed in short form

         X1           CONNECT result codes are displayed in complete form

         X2           VOICE and CONNECT result codes are displayed in
                      complete form

                                SOFT RESET

  Type:                Immediate

  Format:              AT [cmds] Zn [cmds]

  Description:         Restores modem profiles previously saved in
                       non-volatile RAM using the &W command.

       Command                              Function

          Z1           Restore setting 1

          Z2           Restore setting 2

                           STORE ACTIVE PROFILE

  Type:            Configuration

  Format:          AT [cmds] &Wn [cmds]

  Description:     Writes the values for the active profile into the
                   non-volatile RAM

     Command                              Function

       &W1         Write the active profile to stored profile 1

       &W2         Write the active profile to stored profile 2

                          EXTENDED AT COMMAND SET

                            B-CHANNEL SELECTION

  Type:            Configuration

  Format:          AT [cmds] %A3=n [cmds]

  Description:     Determines which B-channel will be used for leased
                   line connection

     Command                              Function

      %A3=1        B1 channel

      %A3=2        B2 channel

                         DATA FORWARDING CHARACTER

  Type:          Configuration

  Format:        AT [cmds] %L3=n [cmds]

  Description:   Defines specified characters as data forwarding
                 characters

    Command                              Function

     %L3=0       No data forwarding character selected

     %L3=2       Carriage return

                               DATA PROTOCOL

  Type:               Configuration

  Format:             AT [cmds] %A2=n [cmds]

  Description:        Determines rate adaptation protocol on B-channel.
                      %A2? Displays protocol type

      Command                              Function

       %A2=0          HDLC transparent rate adaptation

       %A2=1          Asynchronous-to-synchronous PPP protocol

       %A2=2          Multi-link PPP

       %A2=3          Asynchronous inverse mux

       %A2=5          V.120

                             IDLE TIMER DELAY

  Type:                   Immediate

  Format:                 AT [cmds] %L4 [cmds]

  Default:                0

  Range:                  0-255

  Unit:                   x 50ms

  Description:            Sets time delay between characters received
                          from DTE. %L4=0 disables data forwarding on
                          time-out

                              NUMBERING PLAN

  Type:          Configuration

  Format:        AT [cmds] %A0=n [cmds]

  Description:   Determines rate adaptation protocol on B-channel

    Command                              Function

     %A0=0       Unknown

     %A0=1       ISDN numbering plan selected



                              SPECIAL COMMANDS

                          ANALOG PORT ATTRIBUTES

  Type:                  Configuration

  Format:                AT [cmds] !Bn=x[cmds]

  Description:           Sets analog port attributes. n selects phone
                         port, x selects attribute. !Bn=? queries the
                         attribute of selected port.

        Command                              Function

         !B1=0           Telephone line 1 set to SPEECH

         !B1=1           Telephone line 1 set to AUDIO

         !B2=0           Telephone line 2 set to SPEECH

         !B2=1           Telephone line 2 set to AUDIO

                 BANDWIDTH RELEASE ON A VOICE CALL REQUEST

  Type:                  Configuration

  Format:                AT [cmds] @M5=n [cmds]

  Description:           Enables/disables B-channel release during an MP
                         session when there is a voice call request

        Command                             Function

         @M5=0           Bandwidth release on voice call request disabled

         @M5=1           Bandwidth release on voice call request enabled

                                 CACH/EKTS

  Type:          Configuration

  Format:        AT [cmds] !E0=n [cmds]

  Description:   Disables/enables CACH/EKTS. !E0? queries CACH/EKTS
                 status

    Command                              Function

     !E0=0       CACH/EKTS disabled

     !E0=1       CACH/EKTS enabled

                              CHAP ENCRYPTION

  Type:          Configuration

  Format:        AT [cmds] @M3=n [cmds]

  Description:   Enables/disables CHAP password encryption protocol

    Command                              Function

     @M3=0       CHAP password encryption protocol disabled

     @M3=1       CHAP password encryption protocol enabled

                                 DATA SPID

  Type:                  Configuration

  Format:                AT [cmds] !Cn=x [SPID#]

  Description:           Specifies port and data service profile
                         identifier assigned by the ISDN provider. Cn?
                         queries setting

        Command                              Function

          !C0            Sets switch type

          !C6            Sets SPID of data port 1

          !C7            Sets SPID of data port 2

          !C8            Sets SPID of telephone line 1

          !C9            Sets SPID of telephone line 2

                               FEATURE KEYS

  Type:          Configuration

  Format:        AT [cmds] !F0=nx [cmds]

  Range:         n=0 - 255

  Description:   Programs feature keys. !F0? queries feature keys

    Command                              Function

     !F0=n1      Sets value for Conference Feature Key. Default value is
                 60

     !F0=n2      Sets value for Transfer Feature Key. Default value is 61

     !F0=n3      Sets value for Drop Feature Key. Default value is 62

                               PERSIST TIME

  Type:          Configuration

  Format:        AT [cmds] @M9=n [cmds]

  Range:         0-255

  Unit:          5sec

  Description:   Sets the persist time to add or drop a second B-channel

                           SCREEN INCOMING CALLS

  Type:              Configuration

  Format:            AT [cmds] !Rn=x [cmds]

  Description:       Screens incoming calls for different ports

      Command                              Function

        n=0          Data port call screening

        n=1          Analog telephone 1 call screening

        n=2          Analog telephone 2 call screening

        x=0          All calls accepted on selected port

        x=1          All calls rejected on selected port

        x=2          Calls listed in the stored phone directory are
                     accepted on selected port

                          STORE DIRECTORY NUMBER

  Type:                  Configuration

  Format:                AT [cmds] !Nx=n [cmds]

  Range (n):             0 - 24

  Unit (n):              0 - 9, *, #

  Description:           Store the directory number (n) for the port (x).
                         !N? queries the stored directory numbers

        Command                              Function

         !N0=n           Store the self directory number of data port 1

         !N1=n           Store the self directory number of analog
                         telephone port 1

         !N2=n           Store the self directory number of analog
                         telephone port 2

         !N3=n           Store the self directory number of data port 2

                                SWITCH TYPE

  Type:          Configuration

  Format:        AT [cmds] !C0=n [cmds]

  Description:   Selects network switch type.

    Command                              Function

     !C0=1       AT&T 5ESS

     !C0=2       AT&T or Siemens N1-1

     !C0=3       Northern Telecom DMS-100

     !C0=4       Northern Telecom NI-1

               THROUGHPUT THRESHOLD TO ADD A SECOND CHANNEL

  Type:                  Configuration

  Format:                AT [cmds] @M6=n [cmds]

  Range:                 0-64

  Unit:                  Kbits/sec

  Description:           Defines the throughput threshold to add a second
                         channel.

  Note:                  If the throughput is under the threshold for a
                         time defined by @M9 the B-channel will be
                         released. If the throughput is above the
                         threshold, a second call will be established and
                         the TA will attempt to bind the two B-channels
                         together.

             THROUGHPUT THRESHOLD TO RELEASE A SECOND CHANNEL

  Type:                  Configuration

  Format:                AT [cmds] @M8=n [cmds]

  Range:                 0-64

  Unit:                  Kbits/sec

  Description:           Defines the throughput threshold to release a
                         second channel. Persist time defined by @M9

                            S(status) REGISTERS

                            BACKSPACE CHARACTER

  Type:          Register

  Format         AT [cmds] S5=n [cmds]

  Range:         0-127

  Unit:          ASCII

  Description:   Selects a character used for backspace <BS>

                            NO CARRIER TIME-OUT

  Type:                  Register

  Format                 AT [cmds] S7=n [cmds]

  Range:                 1-50

  Unit:                  1 second

  Description:           Maximum wait time the modem uses after dialing
                         to detect a carrier signal from the remote modem
                         for both originating and answering calls.

                        ESCAPE SEQUENCE GUARD TIME

  Type:                   Register

  Format                  AT [cmds] S12=n [cmds]

  Default:                10

  Range:                  0-255

  Unit:                   .1sec

  Description:            Maximum allowable time between escape character
                          sequence initiation and completion for the
                          escape sequence to be executed. A value of 0
                          disables guard time.

                           DTR CHANGE THRESHOLD

  Type:           Register

  Format          AT [cmds] S25=n [cmds]

  Default:        2

  Range:          0-255

  Unit:           .2 second

  Description:    Sets maximum time a change in the DTR signal will be
                  ignored

