
PARADYNE CORPORATION

COMSPHERE 3825PLUS

Modem Type                   Data (synchronous/asynchronous)/Fax
Maximum Data Rate            28.8Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     External
Fax Class                    Class I & II
Data Modulation Protocol     AT&T V.32terbo

                             Bell 103A/212A

                             ITU-T V.21, V.22, V.22bis, V.32, V.32bis,
                             V.34
Fax Modulation Protocol      ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis

[Image]

                                CONNECTIONS

         Purpose             Location          Purpose           Location

  Line out                     CN1       DC power                  CN4

  Line in                      CN2       Power switch              SW1

  RS-232/422                   CN3

                             DIAGNOSTIC LED(S)

     LED       Color         Status                  Condition

    EC/SQ      Green           On            Error correction enabled

    EC/SQ      Green          Off            Error correction disabled

    EC/SQ      Green        Blinking,      Error correction activated and
                           mostly on          poor line signal errors
                                                     detected

    EC/SQ      Green        Blinking,      Error correction not activated
                           mostly off       and poor line signal errors
                                                     detected

    HS/RI      Green           On          Modem is operating at highest
                                                 configured speed

    HS/RI      Green          Off            Modem is operating at less
                                           than highest configured speed

    HS/RI      Green        Blinking             Phone is ringing

     CD        Green           On             Carrier signal detected

     CD        Green          Off           Carrier signal not detected

   OH/APL      Green           On                Modem is off-hook

   OH/APL      Green          Off                Modem is on-hook

   OH/APL      Green        Blinking         Modem set for leased line

     RD        Green           On             Modem is receiving data

     RD        Green          Off           Modem is not receiving data

     SD        Green           On           Modem is transmitting data

     SD        Green          Off          Modem is not transmitting data

     TR        Green           On          DTR signal is high or modem is
                                               set to ignore signal

     TR        Green          Off                DTR signal is low

   MR/PWR      Green          Off                  Power is off

   MR/PWR      Green           On                   Power is on

   MR/PWR      Green     Blinking, slow         Download only mode

   MR/PWR      Green     Blinking, fast            Cloning mode

   MR/PWR      Green        Blinking          Power on in leased mode

                         Proprietary AT Command Set

                            AT COMMAND RESPONSE

  Type:          Register

  Format:        AT [cmds] S84=n [cmds]

  Example:       AT S84=0 &W<CR>

  Description:   Sets the response to AT commands.

    Command                              Function

     S84=0       Normal operation

     S84=1       Execute valid commands, suppress error codes.

     S84=2       Ignore configuration commands, always return OK error
                 code.

                                 AUTO BAUD

  Type:          Register

  Format:        AT [cmds] S78=n [cmds]

  Example:       AT S78=0 &W<CR>

  Description:   Allows modem to connect at remote modems modulation.

    Command                              Function

     S78=0       Auto baud enabled.

     S78=1       Auto baud disabled.

     S78=2       PBX operation.

                     AUTO-RELIABLE FALLBACK CHARACTER

  Type:              Register

  Format:            AT [cmds] %An [cmds]

  Example:           AT%A20<CR>

  Default:           19

  Range:             0-127

  Unit:              ASCII

  Description:       Sets the character used as the auto-reliable
                     fallback character. %A0 will disable this function.

                  AUTO-RELIABLE TIME BUFFER CONFIGURATION

  Type:           Configuration

  Format:         AT [cmds] \Cn [cmds]

  Example:        AT \C1 &W<CR>

  Description:    Controls the handling of incoming data during
                  auto-reliable time period.

    Command                              Function

      \CO         Data is discarded.

      \C1         Data is buffered.

      \C2         Data is discarded, resets to \C1 on receipt of
                  autoreliable fallback character.

                                BREAK TYPE

  Type:          Configuration

  Format:        AT [cmds] \Kn [cmds]

  Example:       AT \K5 &W<CR>

  Description:   Selects response to DTE break command.

    Command                              Function

      \K0        Send break, clear buffer, enter command mode.

      \K1        Send break, clear buffer

      \K2        Send break, send data, enter command mode.

      \K3        Send break. send data,

      \K4        Send data, send break, enter command mode.

      \K5        Send data, send break.

      \K6        Disabled.

                            BUSY OUT ON LOW DTR

  Type:          Register

  Format:        AT [cmds] S69=n [cmds]

  Example:       AT S69=0 &W<CR>

  Description:   Modem goes off hook on low DTR (use only in PBX mode).

    Command                              Function

     S69=0       Busy out disabled.

     S69=1       Busy out enabled.

                                 CD SIGNAL

  Type:            Configuration

  Format:          AT [cmds] &Cn [cmds]

  Example:         AT &C3 <CR>

  Description:     Configures the behavior of the carrier detect signal.

     Command                              Function

       &C0         CD forced high.

       &C1         CD normal.

       &C2         CD forced high except during handshaking and
                   disconnecting.

       &C3         CD momentary interrupt on disconnect.

       &C4         CD follows remote RTS signal.

       &C5         CD Follows DTR signal. Forced low on disconnect.

       &C6         CD forced low on retrain of over 10 sec. Forced high
                   after no retrain for over 10 sec.

                           CELLULAR ENHANCEMENTS

  Type:          Register

  Format:        AT [cmds] S91=n [cmds]

  Example:       AT S91=0 &W<CR>

  Description:   Configures modem to enhanced cellular mode

    Command                              Function

     S91=0       Disabled

     S91=1       Enabled

                            CLEAR ERROR BUFFER

  Type:          Immediate

  Format:        AT [cmds] "F [cmds]

  Example:       AT "F &W<CR>

  Description:   Empties error buffer.

                                COMPRESSION

  Type:          Configuration

  Format:        AT %Cn

  Example:       AT I2 %C1 &B0<CR>

  Description:   Selects data compression.

    Command                              Function

      %C0        Data compression disabled.

      %C1        Data compression enabled.

                                CTS SIGNAL

  Type:          Configuration

  Format:        AT [cmds] \Dn [cmds]

  Example:       AT \D0<CR>

  Description:   Selects the function of the CTS signal.

    Command                              Function

      \D0        CTS forced high.

      \D1        CTS normal.

      \D2        CTS interrupted for 2 seconds on disconnect.

      \D3        CTS follows DTR.

                          DISCONNECT BUFFER DELAY

  Type:                Register

  Format:              AT [cmds] S39=n [cmds]

  Example:             AT S39=0<CR>

  Default:             Unidentified

  Range:               0-255

  Unit:                1 second

  Description:         Selects how long the modem will continue to
                       transmit data in receive buffer after receipt of
                       disconnect signal

                          DISCONNECT BUFFER DELAY

  Type:                 Register

  Format:               AT [cmds] S49=n [cmds]

  Example:              AT S49=0<CR>

  Default:              10

  Range:                0-255

  Unit:                 1 second

  Description:          Selects how long the modem will continue to
                        transmit data in transmit buffer after receipt of
                        disconnect signal

                          DISCONNECT IMMEDIATELY

  Type:             Configuration

  Format:           AT [cmds] S85=n [cmds]

  Example:          AT S85=0 &W<CR>

  Description:      Disconnect immediately on receipt of disconnect
                    signal from DTE or diagnostic control panel.

     Command                              Function

      S85=0         Disabled.

      S85=1         Enabled.

                           DISCONNECT INACTIVITY

  Type:          Register

  Format:        AT [cmds] S80=n [cmds]

  Example:       AT S80=3 &W<CR>

  Description:   Sets the signal monitored by the inactivity timer (\T).

    Command                              Function

     S80=0       Transmit or receive.

     S80=1       Transmit only.

     S80=2       Receive only.

     S80=3       Transmit and receive.

                       DISCONNECT ON LOSS OF CURRENT

  Type:          Configuration

  Format:        AT [cmds] S65=n [cmds]

  Example:       AT S65=0<CR>

  Description:   Causes the modem to disconnect if the telephone lines
                 current drops.

    Command                              Function

     S65=0       Disconnect after 8ms if current is lost.

     S65=1       Disconnect after 90ms if current is lost.

     S65=2       Disabled

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] \Gn [cmds]

  Example:       AT \G1 &K3<CR>

  Description:   Selects modem port flow control.

    Command                              Function

      \G0        Flow control disabled.

      \G1        Flow control enabled.

                             FLOW CONTROL TYPE

  Type:          Configuration

  Format:        AT [cmds] \Qn [cmds]

  Example:       AT \Q5<CR>

  Description:   Sets type of flow control used by modem.

    Command                              Function

      \Q0        Flow control disabled.

      \Q1        Bidirectional XON/XOFF flow control enabled.

      \Q2        CTS flow control by DCE enabled.

      \Q3        Bidirectional CTS/RTS flow control enabled.

      \Q4        XON/XOFF flow control by DCE enabled.

      \Q5        XON/XOFF flow control by DTE enabled.

      \Q6        RTS flow control by DTE enabled.

                             INACTIVITY TIMER

  Type:             Register

  Format:           AT [cmds] \Tn [cmds]

  Example:          AT\T20<CR>

  Default:          0

  Range:            0-255

  Unit:             1 minute

  Description:      Sets the length of time that the modem does not
                    receive information before it disconnects.

                             LAP-M FRAME SIZE

  Type:          Configuration

  Format:        AT [cmds] \An [cmds]

  Example:       AT \A3 %C1<CR>

  Description:   Sets the maximum frame size for V.42 and MNP
                 connections.

    Command                              Function

      \A0        Maximum frame size is 64

      \A1        Maximum frame size is 128

      \A2        Maximum frame size is 192

      \A3        Maximum frame size is 256

      \A4        Maximum frame size is 32

      \A5        Maximum frame size is 16

  Note: Maximum V.42 frame size is 128.

                            LAP-M FRAME WINDOW

  Type:          Register

  Format:        AT [cmds] S89=n [cmds]

  Example:       ATS89=6<CR>

  Default:       0

  Range:         1-9

  Unit:          1 frame (beginning with 1=6 frames, 0=auto adjust)

  Description:   Sets the number of frames used in V.42 and V.42bis
                 transmissions

                         LEASED LINE AUTO-RETRAIN

  Type:             Register

  Format:           AT [cmds] S82=n [cmds]

  Example:          AT S82=0 &W<CR>

  Description:      Allows modem to retrain to compensate for bad line
                    quality in V.32bis, V.32terbo or V.34 mode

      Command                             Function

       S82=0        Retrain enabled.

       S82=1        Retrain disabled.

                       LEASED LINE DISCONNECT LEVEL

  Type:          Register

  Format:        AT [cmds] S48=n [cmds]

  Example:       AT S48=0 &W<CR>

  Description:   Sets level carrier signal drops to before disconnect.

    Command                              Function

     S48=0       Disconnect at -43dBm

     S48=1       Disconnect at -26dBm

                             LEASED LINE SPEED

  Type:          Register

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

  Example:       ATS44=6<CR>

  Default:       27

  Description:   Sets maximum leased line speed

    Command                              Function

     S44=1       14.4Kbps V.32bis

     S44=2       12.0Kbps V.32bis

     S44=3       9600bps V.32bis, V.32

     S44=4       7200bps V.32bis

     S44=5       4800bps V.32bis, V.32

     S44=6       2400bps V.22bis

     S44=18      19.2Kbps V.32terbo

     S44=19      16.8Kbps V.32terbo

     S44=25      33.6Kbps AT&T V.34

     S44=26      31.2Kbps AT&T V.34

     S44=27      28.8Kbps V.34

     S44=28      26.4Kbps V.34

     S44=29      24.0Kbps V.34

     S44=30      21.6Kbps V.34

     S44=31      19.2Kbps V.34

     S44=32      16.8Kbps V.34

     S44=33      14.4Kbps V.34

     S44=34      12.0Kbps V.34

     S44=35      9600bps V.34

     S44=36      7200bps V.34

     S44=37      4800bps V.34

     S44=38      2400bps V.34

                      LEASED LINE TRANSMISSION LEVEL

  Type:          Register

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

  Example:       AT S45=15<CR>

  Default:       0

  Range:         0 - 15

  Unit:          1 dBm

  Description:   Sets the signal level for transmission when in leased
                 line mode.

                                 LINE TYPE

  Type:          Configuration

  Format:        AT [cmds] &Ln [cmds]

  Example:       AT &L0 H1 DT555-1212<CR>

  Description:   Selects line type.

    Command                              Function

      &L0        Switched line.

      &L1        2-wire originate mode leased line.

      &L2        2-wire answer mode leased line.

                             LOCK SERIAL PORT

  Type:          Configuration

  Format:        AT [cmds] S90=n [cmds]

  Example:       AT S90=0<CR>

  Description:   Sets operation of serial port speed.

    Command                              Function

     S90=0       Disabled.

     S90=1       Serial speed follows connect speed.

                      NETWORK POSITION IDENTIFICATION

  Type:          Register

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

  Example:       AT S74=0 &W<CR>

  Description:   Identifies modem as either tributary or control

    Command                              Function

     S74=0       Identify as tributary

     S74=1       Identify as control

                          PASSWORD REMOTE ACCESS

  Type:          Register

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

  Example:       ATS56=6<CR>

  Default:       None

  Range:         00-99

  Unit:          Password digits

  Description:   Allows entry of the first two digits of remote access
                 password.

                          PASSWORD REMOTE ACCESS

  Type:          Register

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

  Example:       ATS57=6<CR>

  Default:       None

  Range:         00-99

  Unit:          Password digits

  Description:   Allows entry of the second two digits of remote access
                 password.

                          PASSWORD REMOTE ACCESS

  Type:          Register

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

  Example:       ATS58=6<CR>

  Default:       None

  Range:         00-99

  Unit:          Password digits

  Description:   Allows entry of the third two digits of remote access
                 password.

                          PASSWORD REMOTE ACCESS

  Type:          Register

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

  Example:       ATS59=6<CR>

  Default:       None

  Range:         00-99

  Unit:          Password digits

  Description:   Allows entry of the fourth two digits of remote access
                 password.

                              PROTOCOL/SPEED

  Type:          Immediate

  Format:        AT [cmds] %Bn [cmds]

  Example:       AT %B14400<CR>

  Description:   Selects the current DCE speed.

    Command                              Function

     %B300       Select V.21 or Bell103 at 300bps speed.

     %B1200      Select V.22,V.23 or Bell 212A at 1200bps speed.

     %B2400      Select V.34 at 2400bps speed.

     %B4800      Select V.34 at 4800bps speed.

     %B7200      Select V.34 at 7200bps speed.

     %B9600      Select V.34 at 9600bps uncoded speed.

    %B12000      Select V.34 at 12Kbps speed.

    %B14400      Select V.34 at 14.4Kbps speed.

    %B16800      Select V.34 at 16.8Kbps speed.

    %B19200      Select V.34 at 19.2Kbps speed.

    %B21600      Select V.34 at 21.6Kbps speed.

    %B24000      Select V.34 at 24Kbps speed.

    %B26400      Select V.34 at 26.4Kbps speed.

    %B28800      Select V.34 at 28.8Kbps speed.

    %BL31200     Select V.34 proprietary at 31.2Kbps speed.

    %BL33600     Select V.34 proprietary at 33.6Kbps speed.

    %BL2400      Select V.22bis at 2400Kbps speed.

    %BL4800      Select V.32bis/V.32 at 4800Kbps speed.

    %BL7200      Select V.32bis at 7200Kbps speed.

    %BL9600      Select V.32bis/V.32 at 9600Kbps speed.

    %BL12000     Select V.32bis at 12Kbps speed.

    %BL14400     Select V.32bis at 14.4Kbps speed.

    %BL16800     Select V.32terbo at 16.8Kbps speed.

    %BL19200     Select V.32terbo at 19.2Kbps speed.

                               REMOTE CLONE

  Type:          Configuration

  Format:        AT [cmds] &&P1 [cmds]

  Example:       AT &&P1 &W<CR>

  Description:   In online command mode, copies firmware to remote
                 3825Plus modem

                           REMOTE CONFIGURATION

  Type:          Configuration

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

  Example:       AT S55=0 &W<CR>

  Description:   Allows remote configuration by 3800 series modem.

    Command                              Function

     S55=0       Remote configuration enabled.

     S55=1       Remote configuration disabled.

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Example:       AT I1 O<CR>

  Description:   Displays modem properties.

    Command                              Function

       I0        Reports product code.

       I1        Reports firmware 3 digit version number.

       I2        Performs EPROM check

       I3        Reports serial number

       I4        Reports model number

       I5        Reports hardware part number

       I6        Reports software part number

       I9        Reports firmware 3 digit version number.

      I11        Reports RAM checksum result.

      I17        Reports last eight critical errors from last to first

      I19        Reports complete firmware revision number

                            RJ11 CELLULAR ADAPT

  Type:          Register

  Format:        AT [cmds] S93=n [cmds]

  Example:       AT S93=0 &W<CR>

  Description:   Adds support for RJ11 connection during cellular
                 operation

    Command                              Function

     S93=0       Disabled.

     S93=1       Enabled.

                  SECURITY CHANGE ADMINISTRATION PASSWORD

  Type:          Configuration

  Format:        AT [cmds] %SA=nnnnnnnn [cmds]

  Example:       AT %SA=22233344 &W<CR>

  Description:   Changes administration password.

                       SECURITY CHANGE DTE PASSWORD

  Type:          Configuration

  Format:        AT [cmds] %SBi=nnnnnnnn [cmds]

  Example:       AT %SBi=22233344 &W<CR>

  Description:   Changes the DTE type password in index i.

                   SECURITY CHANGE VF PLUS DTE PASSWORD

  Type:          Configuration

  Format:        AT [cmds] %SBi=nnnnnnnn [cmds]

  Example:       AT %SBi=22233344 &W<CR>

  Description:   Changes the VF plus DTE type password in index i.

                        SECURITY CHANGE VF PASSWORD

  Type:          Configuration

  Format:        AT [cmds] %SVi=nnnnnnnn [cmds]

  Example:       AT %SVi=22233344 &W<CR>

  Description:   Changes the VF type password in index i.

                         SECURITY DISPLAY PASSWORD

  Type:          Immediate

  Format:        AT [cmds] %SPi [cmds]

  Example:       AT %SPi &W<CR>

  Description:   Displays the VF or DTE type password in index i.

                         SECURITY DELETE PASSWORD

  Type:          Configuration

  Format:        AT [cmds] %SPi= [cmds]

  Example:       AT %SPi= &W<CR>

  Description:   Delete the VF or DTE type password in index i.

                  SECURITY ENTER ADMINISTRATION PASSWORD

  Type:          Configuration

  Format:        AT [cmds] %SAnnnnnnnn [cmds]

  Example:       AT %SA22233344 &W<CR>

  Description:   Sets modem to allow security configuration and password
                 changes.

                              SECURITY RESET

  Type:          Configuration

  Format:        AT [cmds] %SR [cmds]

  Example:       AT %SR &W<CR>

  Description:   Resets administration password and empties password
                 table

                              STORED PROFILE

  Type:          Register

  Format:        AT [cmds] S88=n [cmds]

  Example:       AT S88=0 &W<CR>

  Description:   Loads stored profile on disconnect.

    Command                              Function

     S88=0       Disabled.

    S88=231      Disabled.

     S88=1       Enabled.

    S88=232      Enabled.

                            SWITCHED LINE SPEED

  Type:          Register

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

  Example:       ATS41=6<CR>

  Default:       20

  Description:   Sets maximum line speed

    Command                              Function

     S41=1       14.4Kbps V.32bis

     S41=2       12.0Kbps V.32bis

     S41=3       9600bps V.32bis, V.32

     S41=4       7200bps V.32bis

     S41=5       4800bps V.32bis, V.32

     S41=6       2400bps V.22bis

     S41=7       1200bps V.22

     S41=8       1200bps 212A

     S41=10      0-300bps V21

     S41=11      0-300bps 103J

     S41=20      19.2Kbps V.32terbo

     S41=21      16.8Kbps V.32terbo

     S41=27      33.6Kbps AT&T V.34

     S41=28      31.2Kbps AT&T V.34

     S41=29      28.8Kbps V.34

     S41=30      26.4Kbps V.34

     S41=31      24.0Kbps V.34

     S41=32      21.6Kbps V.34

     S41=33      19.2Kbps V.34

     S41=34      16.8Kbps V.34

     S41=35      14.4Kbps V.34

     S41=36      12.0Kbps V.34

     S41=37      9600bps V.34

     S41=38      7200bps V.34

     S41=39      4800bps V.34

     S41=40      2400bps V.34

                            TRANSMISSION LEVEL

  Type:                Configuration

  Format:              AT [cmds] &In [cmds]

  Example:             AT &I26 &W<CR>

  Default:             Unidentified

  Range:               0-32, 99, 100

  Unit:                -1 dBm

  Description:         Sets the signal level for transmission

  Note: 0-8 invalid in North America. Set to 99 for autoadjust ETC1.0
  specification. Set to 100 for autoadjust ETC1.1 specification

                            TRANSMISSION LEVEL

  Type:          Configuration

  Format:        AT [cmds] &J0 [cmds]

  Example:       AT &J0 &W<CR>

  Description:   Sets -9 dBm permissive mode

                             V.25bis CODE SET

  Type:          Configuration

  Format:        AT [cmds] S62=n [cmds]

  Example:       AT S62=0 &W<CR>

  Description:   Sets coding type used in V.25bis mode.

    Command                              Function

     S62=0       ASCII

     S62=1       EBCDIC

                          V.25bis IDLE CHARACTER

  Type:          Configuration

  Format:        AT [cmds] S63=n [cmds]

  Example:       AT S63=0 &W<CR>

  Description:   Sets V.25 idle fill type

    Command                              Function

     S63=0       Fill character is mark.

     S63=1       Fill character is flag.

                        V.25bis NEW LINE CHARACTER

  Type:          Configuration

  Format:        AT [cmds] S64=n [cmds]

  Example:       AT S64=0 &W<CR>

  Description:   Sets V.25 new line character.

    Command                              Function

     S64=0       Carriage return and line feed.

     S64=1       Carriage return.

     S64=2       Line feed.

                           V.32bis AUTO-RETRAIN

  Type:           Register

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

  Example:        AT S76=0 &W<CR>

  Description:    Selects action the modem will take during bad line
                  quality on 32bis connection.

    Command                              Function

     S76=0        Auto retrain enabled.

     S76=1        Auto retrain disabled.

     S76=2        Auto retrain started at 4800bps for V.32bis operation.

     S76=3        Auto retrain started at 9600bps for V.32bis operation.

                               V.32bis TRAIN

  Type:          Register

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

  Example:       AT S43=0 &W<CR>

  Description:   Sets train length for V.34, V.32terbo, V.32bis and V32.

    Command                              Function

     S43=0       Long

     S43=1       Short

                           V.34 SPLIT BAUD MODE

  Type:          Configuration

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

  Example:       AT S14=0 <CR>

  Description:   Controls V.34 split baud mode.

    Command                              Function

     S14=0       V.34 split baud mode enabled.

     S14=1       V.34 split baud mode disabled.

                        V.42bis COMPRESSION CONTROL

  Type:          Configuration

  Format:        AT [cmds] "Hn [cmds]

  Example:       AT "H3 &W<CR>

  Description:   Controls V.42bis data compression

    Command                              Function

      "H0        V.42bis disabled.

      "H1        V.42bis when transmitting enabled.

      "H2        V.42bis when receiving enabled.

      "H3        V.42bis when transmitting/receiving enabled.

                           XON/XOFF PASS-THROUGH

  Type:          Configuration

  Format:        AT [cmds] \Xn [cmds]

  Example:       AT \X7 O<CR>

  Description:   Selects whether XON/XOFF signals are sent to remote
                 modem.

    Command                              Function

      \X0        XON/XOFF signals trapped by local modem.

      \X1        XON/XOFF passed through local modem.

                                 DTR ALARM

  Type:           Register

  Format:         AT [cmds] S77=n [cmds]

  Example:        AT S77=0 &W<CR>

  Description:    Sends alarm to proprietary Series Management Controller
                  if DTR low for 10 seconds.

     Command                             Function

      S77=0       Alarm disabled.

      S77=1       Alarm enabled.

                             CALLBACK SECURITY

  Type:          Register

  Format:        AT [cmds] S67=n [cmds]

  Example:       AT S67=0 &W<CR>

  Description:   Enables callback security option

    Command                              Function

     S67=0       Disabled

     S67=1       Enabled

                              ANSWER SECURITY

  Type:          Register

  Format:        AT [cmds] S68=n [cmds]

  Example:       AT S68=0 &W<CR>

  Description:   Selects what type of answer security is used.

    Command                              Function

     S68=0       Answer security disabled

     S68=1       DTE answer security enabled.

     S68=2       VF and DTE answer security enabled

     S68=3       VF with DTE answer security enabled

                            ORIGINATE SECURITY

  Type:          Register

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

  Example:       AT S70=0 &W<CR>

  Description:   Enables originate security option

    Command                              Function

     S70=0       Originate security disabled

     S70=1       Originate security enabled

                              VF PROMPT TYPE

  Type:          Register

  Format:        AT [cmds] S95=n [cmds]

  Example:       AT S95=0 &W<CR>

  Description:   Selects the type of VF password prompt sent to remote
                 dialer.

    Command                              Function

     S95=0       Second dial tone

     S95=1       Quiet answer

  Note: Also selects which dial modifier (@ or W) must precede password

                          PASSWORD ATTTEMPT LIMIT

  Type:          Register

  Format:        AT [cmds] S96=n [cmds]

  Example:       AT S96=0 &W<CR>

  Description:   Sets number of DTE password attempts before disconnect.

    Command                              Function

     S96=0       1 attempt

     S96=1       2 attempts

     S96=2       3 attempts

     S96=3       4 attempts

     S96=4       5 attempts

                    PASSWORD DTE TERMINATION CHARACTER

  Type:          Register

  Format:        AT [cmds] S97=n [cmds]

  Example:       ATS97=13<CR>

  Default:       13

  Range:         1-127

  Unit:          ASCII

  Description:   Sets Character used to indicate end of password or
                 callback directory/number

                       PASSWORD BACKSPACE CHARACTER

  Type:           Register

  Format:         AT [cmds] S98=n [cmds]

  Example:        ATS98=8<CR>

  Default:        8

  Range:          0-127

  Unit:           ASCII

  Description:    Sets Character used backspace when entering password or
                  callback directory/number

