
ADTRAN

ISU 2X64

Card Type          ISDN TA/Modem
Chip Set           Unidentified
I/O Options        Dial ports (2)
ISDN Transfer Rate 56/64Kbps x 2
Data Bus           External
ISDN Protocol      SAP, T-Link, V.120, Bonding
Switch Type        5ESS, NI-1, DMS-100, NEC

[Image]

                                CONNECTIONS

        Function          Label             Function              Label

  ENTER button                 B1        3 button                   B13

  UP button                    B2        6 button                   B14

  DOWN button                  B3        9 button                   B15

  CANCEL button                B4        # button                   B16

  1 button                     B5        RS-366 port for            CN1
                                         dialing on port 1

  4 button                     B6        RS-232/422 port 1          CN2

  7 button                     B7        RS-366 port for            CN3
                                         dialing on port 2

  * button                     B8        RS-232/422 port 2          CN4

  2 button                     B9        Line out                   CN5

  5 button                     B10       Diagnostic port (not       CN6
                                         used)

  8 button                     B11       120V AC power              CN7

  0 button                     B12       Power switch               SW1

                             DIAGNOSTIC LED(S)

   LED      Color    Status                    Condition

    RS      Green      On                 RTS signal is high

    RS      Green     Off                  RTS signal is low

    CS      Green      On                 CTS signal is high

    CS      Green     Off                  CTS signal is low

    TD      Green      On              DSU is transmitting data

    TD      Green     Off            DSU is not transmitting data

    RD      Green      On                DSU is receiving data

    RD      Green     Off              DSU is not receiving data

    CD      Green      On               Carrier signal detected

    CD      Green     Off             Carrier signal not detected

    TR      Green      On                 DTR signal is high

    TR      Green     Off                  DTR signal is low

    SR      Green      On                 DSR signal is high

    SR      Green     Off                  DSR signal is low

                         Proprietary AT Command Set

                                AUTO-ANSWER

  Type:          Register

  Format:        AT [cmds] S0=n [cmds]

  Description:   Selects whether the TA can auto-answer incoming calls.

    Command                              Function

      S0=0        Auto-answer disabled.

      S0=1        Auto-answer enabled.

      S0=2        Ignore all calls.

                          BIT-MAPPED REGISTER S14

  Format:             AT [cmds] S14=n [cmds]

  Default:            Unidentified

  Range:              60

  Description:        Controls command echo, result codes, and serial
                      port speed locking.

     Bit        Value                        Function

     1-0           00    Not used.

      2              0   Command echo enabled.

                    1    Command echo disabled.

      3              0   Result codes enabled.

                    1    Result codes disabled.

      4              0   Result codes in numeric form.

                    1    Result codes in verbose form.

                                BONDED CALL

  Type:          Register

  Format:        AT [cmds] S59=n [cmds]

  Description:   Selects whether the TA will attempt to make a bonded
                 call.

    Command                              Function

     S59=3        Call bonding disabled.

     S59=5        Call bonding enabled.

                      BONDED CALL - ANSWERING TIMEOUT

  Type:                  Register

  Format:                AT [cmds] S44=n [cmds]

  Default:               10

  Range:                 0 - 255

  Unit:                  1 second

  Description:           Sets the time when answering a call that the TA
                         will wait for the remote TA to send the bond
                         negotiation before it disconnects.

                      BONDED CALL - CAPACITY TIMEOUT

  Type:                  Register

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

  Default:               5

  Range:                 0 - 255

  Unit:                  1 second

  Description:           Sets the time that the TA will wait to agree
                         with the remote TA on channel capacities before
                         it disconnects.

                    BONDED CALL - EQUALIZATION TIMEOUT

  Type:                  Register

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

  Default:               50

  Range:                 0 - 255

  Unit:                  1 second

  Description:           Sets the time that the TA will wait for the two
                         channels of a bonded call to be equalized before
                         it disconnects.

                    BONDED CALL - FRAME PATTERN TIMEOUT

  Type:                  Register

  Format:                AT [cmds] S41=n [cmds]

  Default:               10

  Range:                 0 - 255

  Unit:                  1 second

  Description:           Sets the time that the TA will wait during the
                         bond frame pattern before it disconnects.

                     BONDED CALL - ORIGINATION TIMEOUT

  Type:                  Register

  Format:                AT [cmds] S40=n [cmds]

  Default:               10

  Range:                 0 - 255

  Unit:                  1 second

  Description:           Sets the time when originating a call that the
                         TA will wait for the remote TA to send the bond
                         negotiation before it disconnects.

                     BONDED CALL - SECOND CALL TIMEOUT

  Type:                  Register

  Format:                AT [cmds] S42=n [cmds]

  Default:               50

  Range:                 0 - 255

  Unit:                  1 second

  Description:           Sets the time that the TA will wait for the
                         second call of a bonded call to be completed
                         before it disconnects.

                                 CALL TYPE

  Type:          Register

  Format:        AT [cmds] S53=n [cmds]

  Description:   Selects what type of call is to be made.

    Command                              Function

     S53=0        Speech call.

     S53=1        Audio call.

     S53=2        56Kbps data call.

     S53=3        64Kbps data call.

     S53=5        128Kbps data call.

                                 CD SIGNAL

  Type:          Register

  Format:        AT [cmds] S33=n [cmds]

  Description:   Controls the behaviour of the CD signal.

    Command                              Function

     S33=0        CD forced high.

     S33=1        CD normal.

     S33=2        CD forced low on disconnect.

     S33=3        CD forced low when not connected.

                               CLOCK SOURCE

  Type:          Register

  Format:        AT [cmds] S76=n [cmds]

  Description:   Selects where the TA derives the transmit clock.

    Command                              Function

     S76=0        TA uses internal clock source.

     S76=1        DTE generates clock source.

                            CLOCK SOURCE - ISDN

  Type:          Register

  Format:        AT [cmds] S51=n [cmds]

  Description:   Selects where the TA derives the ISDN U clock.

    Command                              Function

     S51=0        TA uses network as clock source.

     S51=1        TA generates clock source.

                               COMMAND SETS

  Type:          Immediate

  Format:        AT [cmds] S55=n [cmds]

  Description:   Selects the command set that will be used.

    Command                              Function

     S55=0        Command sets disabled.

     S55=1        Dial port only enabled.

     S55=2        AT command set enabled.

     S55=3        V.25bis command set enabled.

                                CTS SIGNAL

  Type:          Register

  Format:        AT [cmds] S30=n [cmds]

  Description:   Controls the behaviour of the CTS signal.

    Command                              Function

     S30=0        CTS follows RTS.

     S30=1        CTS forced high.

                                DATA LENGTH

  Type:          Configuration

  Format:        AT [cmds] S72=n [cmds]

  Description:   Selects the length of the data word.

    Command                              Function

     S72=0        8 bit word length.

     S72=1        7 bit word length.

                                DATA PARITY

  Type:          Configuration

  Format:        AT [cmds] S73=n [cmds]

  Description:   Selects the format of the parity bit.

    Command                              Function

     S73=0        No parity.

     S73=1        Odd parity.

     S73=2        Even parity.

                                 DATA STOP

  Type:          Configuration

  Format:        AT [cmds] S74=n [cmds]

  Description:   Selects the number of stop bits.

    Command                              Function

     S74=0        One stop bit.

     S74=1        One and a half stop bits.

     S74=2        Two stop bits.

                           DIAL PORT DELAY TIMER

  Type:                   Register

  Format:                 AT [cmds] S47=n [cmds]

  Description:            Sets the amount of time the dial port will wait
                          before assuming the user is finished entering
                          the number to dial.

         Command                             Function

          S47=0           Wait for EON signal only.

         S47=10           Wait 1 second.

         S47=20           Wait 2 second.

         S47=50           Wait 5 second.

         S47=100          Wait 10 second.

         S47=200          Wait 20 second.

                                DSR SIGNAL

  Type:          Configuration

  Format:        AT [cmds] &Sn [cmds]

  Description:   Controls the behaviour of the DSR signal.

    Command                              Function

      &S0         DSR forced high.

      &S1         DSR normal.

      &S2         DSR forced low when there is no connection.

      &S3         DSR forced low in Dialup mode.

                                DSR SIGNAL

  Type:          Register

  Format:        AT [cmds] S32=n [cmds]

  Description:   Controls the behaviour of the DSR signal.

    Command                              Function

     S32=0        DSR forced high.

     S32=1        DSR normal.

     S32=2        DSR forced low when there is no connection.

                                DTR SIGNAL

  Type:               Register

  Format:             AT [cmds] S34=n [cmds]

  Description:        Controls the behaviour of the DTR signal.

       Command                              Function

        S34=0          DTR forced high.

        S34=1          TA enters command mode when DTR goes low.

        S34=2          TA hangs up and returns to command mode when DTR
                       goes low.

        S34=4          TA hangs up on an incoming call and returns to
                       command mode when DTR goes low.

        S34=8          TA hangs up on an outgoing call and returns to
                       command mode when DTR goes low.

                                 ECHO TONE

  Type:          Register

  Format:        AT [cmds] S56=n [cmds]

  Description:   Selects whether an echo tone will be used.

    Command                              Function

     S56=0        Echo tone disabled.

     S56=1        Echo tone enabled on answer only.

     S56=2        Echo tone enabled on originate only.

     S56=3        Echo tone enabled.

                             FLOW CONTROL TYPE

  Type:          Configuration

  Format:        AT [cmds] \Qn [cmds]

  Description:   Selects the type of flow control that will be used.

    Command                              Function

      \Q0         Flow control disabled.

      \Q1         Bidirectional XON/XOFF flow control enabled.

      \Q2         CTS flow control enabled.

      \Q3         RTS/CTS flow control enabled.

                             FLOW CONTROL TYPE

  Type:          Register

  Format:        AT [cmds] S75=n [cmds]

  Description:   Selects the type of flow control that will be used.

    Command                              Function

     S75=0        Flow control disabled.

     S75=1        XON/XOFF flow control from DTE enabled.

     S75=2        XON/XOFF flow control from TA enabled.

     S75=3        RTS/CTS flow control enabled.

     S75=12       Bidirectional XON/XOFF flow control enabled.

                              INCOMING CALLS

  Type:          Register

  Format:        AT [cmds] S58=n [cmds]

  Description:   Selects which calls the TA will answer.

    Command                              Function

     S58=0        All calls will be answered.

     S58=1        Only calls from stored numbers will be answered.

                                    LDN

  Type:          Configuration

  Format:        AT [cmds] _Nn [cmds]

  Description:   Selects which LDN will be used.

    Command                              Function

      _N0         Select LDN 1.

      _N1         Select LDN 2.

                                 LDN 1 SET

  Type:          Configuration

  Format:        AT [cmds] SS62=<#> [cmds]

  Description:   Sets the first LDN.

                                 LDN 2 SET

  Type:          Configuration

  Format:        AT [cmds] SS63=<#> [cmds]

  Description:   Sets the second LDN.

                                 LINE TYPE

  Type:          Configuration

  Format:        AT [cmds] &Ln [cmds]

  Description:   Selects the type of line the TA is connected to.

    Command                              Function

      &L0         Standard dial-out ISDN.

      &L1         Leased-line ISDN.

                                 LINE TYPE

  Type:          Configuration

  Format:        AT [cmds] S50=n [cmds]

  Description:   Selects the type of line the TA is connected to.

    Command                              Function

     S50=0        Standard dial-out ISDN.

     S50=1        Leased-line ISDN.

                          LOCAL SERIAL PORT SPEED

  Type:          Configuration

  Format:        AT [cmds] S71=n [cmds]

  Description:   Selects the speed of the serial port.

    Command                              Function

     S71=1        Selects 300bps speed.

     S71=3        Selects 1200bps speed.

     S71=6        Selects 2400bps speed.

     S71=8        Selects 4800bps speed.

     S71=11       Selects 9600bps speed.

     S71=15       Selects 19.2Kbps speed.

     S71=17       Selects 38.4Kbps speed.

     S71=18       Selects 48Kbps speed.

     S71=19       Selects 56Kbps speed.

     S71=20       Selects 57.6Kbps speed.

     S71=21       Selects 64Kbps speed.

     S71=22       Selects 112Kbps speed.

     S71=23       Selects 115.2Kbps speed.

     S71=24       Selects 128.8Kbps speed.

                               LOOPBACK TEST

  Type:            Register

  Format:          AT [cmds] S57=n [cmds]

  Description:     Selects what types of loopback test requests the TA
                   will accept.

     Command                              Function

      S57=0        Loopback testing disabled.

      S57=1        TA will perform DDS latching loopback test.

      S57=2        TA will perform V.54 loopback test.

      S57=3        TA will perform V.54 and DDS latching loopback tests.

                                 PROTOCOL

  Type:          Register

  Format:        AT [cmds] S54=n [cmds]

  Description:   Selects what type of protocol the TA will use.

    Command                              Function

     S54=1        TA will use clear channel.

     S54=2        TA will use Bonding Mode 1.

     S54=3        TA will use SAP.

     S54=4        TA will use T-Link.

     S54=6        TA will use V.120.

     S54=9        TA will use 57.6Kbps asynchronous.

     S54=11       TA will fall back to common protocol.

                         RESET TO FACTORY DEFAULTS

  Type:             Immediate

  Format:           AT [cmds] &Fn [cmds]

  Description:      Resets the TAs configuration to one of the factory
                    default setups.

     Command                              Function

       &F0          Resets to default configuration.

       &F1          Resets to 56Kbps synchronous setup.

       &F2          Resets to 64Kbps synchronous setup.

       &F3          Resets to 112Kbps synchronous setup.

       &F4          Resets to 128Kbps synchronous setup.

       &F5          Resets to 64Kbps leased-line setup.

       &F6          Resets to 64Kbps LDM Master setup.

       &F7          Resets to 57.6Kbps asynchronous setup.

       &F8          Resets to 115.2Kbps asynchronous setup.

       &F11         Resets to 57.6Kbps asynchronous setup with fallback.

                           RESULT CODES - SPEED

  Type:           Register

  Format:         AT [cmds] S22=n [cmds]

  Description:    Selects whether CONNECT messages will display connect
                  speed.

     Command                             Function

      S22=0       Speed will not be displayed.

     S22=224      Speed will be displayed.

                             RTS TO CTS DELAY

  Type:          Configuration

  Format:        AT [cmds] _Dn [cmds]

  Description:   Selects the delay when CTS follows RTS.

    Command                              Function

      _D0         Set delay to 1ms.

      _D1         Set delay to 18ms.

                             RTS TO CTS DELAY

  Type:          Register

  Format:        AT [cmds] S31=n [cmds]

  Description:   Selects the delay when CTS follows RTS.

    Command                              Function

     S31=0        Set delay to 1ms.

     S31=1        Set delay to 18ms.

                                   SPID

  Type:          Configuration

  Format:        AT [cmds] _In [cmds]

  Description:   Selects which SPID will be used.

    Command                              Function

      _I0         Select SPID 1.

      _I1         Select SPID 2.

                                SPID 1 SET

  Type:          Configuration

  Format:        AT [cmds] SS60=<#> [cmds]

  Description:   Sets the first SPID.

                                SPID 2 SET

  Type:          Configuration

  Format:        AT [cmds] SS61=<#> [cmds]

  Description:   Sets the second SPID.

                          STORE NUMBER IN MEMORY

  Type:          Register

  Format:        AT [cmds] SS8n=<#> [cmds]

  Description:   Stores a number in memory location n.

                                SWITCH TYPE

  Type:          Configuration

  Format:        AT [cmds] _Sn [cmds]

  Description:   Selects what type of switch the TA is connected to.

    Command                              Function

      _S0         5ESS switch type.

      _S1         DMS100 switch type.

      _S2         National type 1 switch.

      _S3         NEC switch type.

                                SWITCH TYPE

  Type:          Configuration

  Format:        AT [cmds] S52=n [cmds]

  Description:   Selects what type of switch the TA is connected to.

    Command                              Function

     S52=0        5ESS switch type.

     S52=1        DMS100 switch type.

     S52=2        National type 1 switch.

     S52=3        NEC switch type.

                              SYNC/ASYNC MODE

  Type:          Immediate

  Format:        AT [cmds] S70=n [cmds]

  Description:   Selects synchronous or asynchronous mode.

    Command                              Function

     S70=0        Selects asynchronous mode.

     S70=1        Selects synchronous mode.

                               V.25bis MODE

  Type:          Register

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

  Description:   Selects what format will be used for V.25bis mode.

    Command                              Function

     S46=0        Use asynchronous V.25bis.

     S46=1        Use synchronous HDLC V.25bis.

     S46=2        Use synchronous BISYNC V.25bis.

