ZyXEL quick reference 6.00, reformatted & edited


From comp.dcom.modems Sun May 30 23:19:12 1993
Newsgroups: comp.dcom.modems
Path: psgrain!uunet!wupost!eclnews!wucs1!amc
From: amc@wucs1.wustl.edu (Adam Costello)
Subject: ZyXEL quick reference 6.00, reformatted & edited
Message-ID: <1993May31.053837.20037@wuecl.wustl.edu>
Keywords: ZyXEL quick reference
Sender: usenet@wuecl.wustl.edu (News Administrator)
Organization: Washington University, St. Louis MO
Date: Mon, 31 May 1993 05:38:37 GMT
Lines: 947

                      U-SERIES HIGH SPEED MODEM/FAX/VOICE

                             QUICK-REFERENCE GUIDE

                             for version 6.00 ROMs

                                 revision AMC0
        (reformatted and edited by Adam M. Costello, amc@cics.wustl.edu)


                        ZyXEL Communications Corp.
                        2F., 58 Park Avenue II
                        Science-Based Industrial Park
                        Hsinchu, Taiwan 30077 R.O.C.
                        Tel: 886-3578-3942
                        Fax: 886-3578-2439
                        BBS Tech. Support: 886-3578-7045
                                           886-3577-6274



Legend

*       Manufacturer's default (except when used to represent "AT*" commands)
+nnn    Manufacture's default, when listed in Reference column
Snnbx   Cross reference to S-register nn bit number x



NON-AT COMMAND SET
(unlike all other commands, these are not prefixed by "AT")

Command        Function and description                               Reference

A/             Re-execute last command
A>             Repeat last command continually
      Terminate current connection attempt                       S35b1
+++            Escape sequence code, cause modem to return
               from data state to command state



BASIC "AT" COMMAND SET

Command        Function and description                               Reference

$              Help, Basic command summary
A              Force answer mode                                          S39b2
Bn             Handshake option                                           S28b7
      B0    *  Select CCITT V.22 for 1200 bps communication
      B1       Select Bell 212A standard for 1200 bps
D              Dial number and options that follow                  S35b4 S38b0
      P        Pulse dial                                                 S23b1
      T        Tone dial                                                  S23b1
      ,        Pause for a time specified in S8
      ;        Return to command state after dialing
      !        Hook flash, call transfer
      W        Wait for second dial tone
      @        Wait for a 5 second silence before proceeding,
               otherwise return 'NO ANSWER'
      R        Reverse frequencies (Originate a call in answer mode)      S17b5
DL             Dial last number
DSn   n=0-9    Dial number stored in NVRAM at position n
En             Command mode local echo of keyboard commands               S23b0
      E0       Echo off
      E1    *  Echo on
Hn             On/off hook control
      H0    *  Hang up (on hook)
      H1       Go off hook
In             Display  inquiry
      I0       Display product code
      I1       Display product info & results of ROM checksum
      I2       Link status report
Ln    n=0-7 *4 Speaker volume control                                     S24b5
Mn             Speaker control
      M0       Speaker always off                                         S21b1
      M1    *  Speaker on until carrier is established
      M2       Speaker always on
      M3       Speaker on after last digit dialed, off at carrier detect
Nn    n=0-7 *5 Ring volume control; n=0 disables the ring function        S24b1
O              Return to on-line state
P              Pulse dial
Qn             Result code displayed                                      S23b6
      Q0    *  Modem returns result code
      Q1       Modem does not return result code
      Q2       Quiet in answer mode only (will not show in AT&Vn)   S40b1 S42b2
Sr.b=n         Set bit b of register r to n (0/off or 1/on)
Sr.b?          Inquire bit b of register r
Sr=n  n=0-255  Set S-register r to value n
Sr?            Display value stored in S-register r
T              Tone dial
Vn             Verbal/Numeric result codes                                S23b6
      V0       Display result codes in numeric form                       S35b7
      V1    *  Display result codes in verbose form
Xn    n=0-7 *5 Result code options; see the options table                 S23b3
Zn    n=0-4    Modem reset
      Zn       Reset modem and load user profile n (n=0-3)                S15b5
      Z4       Reset modem and load factory settings



EXTENDED "AT&" COMMAND SET

Command        Function and description                               Reference

&$             Help, Extended, Ampersand, command summary
&Bn            Data rate, terminal-to-modem (DTE/DCE)                     S28b6
      &B0      DTE/DCE rate follows connection rate                       S44b6
      &B1   *  DTE/DCE rate fixed at DTE setting                      S18 S44b6
&Cn            Carrier Detect (CD) operations                             S21b4
      &C0      Assume that the carrier is always on
      &C1   *  CD tracks presence of carrier                              S38b3
&Dn            Data Terminal Ready (DTR) operations
      &D0      Assume DTR is always on                                    S21b6
      &D1      DTR off-on transition causes dial of the default number      *Dn
      &D2   *  DTR off causes the modem to hang up
      &D3      DTR off causes the modem to hang up and
               reset the modem to profile #0
&F             Load factory setting into RAM as active configuration
&Gn            Guard tone
      &G0   *  No Guard tone, U.S. & Canada                               S28b4
      &G1      Reserved
      &G2      1800 HZ guard tone
&Hn            Data flow control, DTE/DCE
      &H0      Flow control disabled                                      S27b3
      &H3   *  Hardware (CTS/RTS) flow control
      &H4      Software (XON/XOFF) flow control
&Jn            Phone line type                                            S28b0
      &J0   *  Single phone line, RJ11 phone jack
      &J1      Multiple phone/modem lines, RJ12/RJ13 phone jack
&Kn            Error control and data compression
      &K0      No error control                                           S27b0
      &K1      MNP4 + MNP3                                                S41b0
      &K2      MNP4 + MNP5                                          S38b5 S41b0
      &K3      V.42 + MNP4
      &K4   *  V.42 + V.42bis (compatible with &K2)
&Ln            Normal/Leased line operation
      &L0   *  Normal phone line                                          S14b2
      &L1      2 wire leased line
      &L2      4 wire leased line
&Mn            Sync/Asynchronous
      &M0   *  Asynchronous mode with data buffering                      S14b6
      &M1      Asynchronous command, synchronous data
      &M2      Direct asynchronous mode without data buffering
      &M3      Synchronous mode
&Nn            Data rate, data link (DCE/DCE)                               S19
      &N0   *  Multi-Auto, auto negotiate highest possible
               link rate; ZyX 19200 (Plus models only),
               ZyX 16800, V.32bis, V.32, V.22bis, V.22
               and Bell 212A, and Group 3 Fax                 S38b4 S43b0 S43b1
      &N1      V.33 14000/12000
      &N2      V.33 12000
      &N3      V.32 9600T/9600/7200T/4800
      &N4      V.32 9600/7200T/4800
      &N5      V.32 4800
      &N6      V.29 9600 (U-1496 & U-1496RN only)
      &N7      V.29 7200 (U-1496 & U-1496RN only)
      &N8      V.29 4800 (U-1496 & U-1496RN only)
      &N9      V.27ter 4800 (U-1496 & U-1496RN only)
      &N10     V.27ter 2400 (U-1496 & U-1496RN only)
      &N11     V.26 2400 (U-1496 & U-1496RN only)                         S35b2
      &N12     V.23 1200/75
      &N13     V.23 600/75
      &N14     V.22bis 2400/1200
      &N15     V.22 1200
      &N16     V.21 300
      &N17     V.32bis 14400/12000/9600/7200/4800
      &N18     V.32bis 12000/9600/7200/4800
      &N19     V.32bis 7200/4800
      &N24     BELL 212A 1200
      &N25     BELL 103 300
      &N32     ZyXEL FAX 14400/12000/9600/7200/4800/2400
               (use S42 bit 4 to disable V.17, 14400)                     S42b4
      &N34     ZyXEL 19200
      &N35     ZyXEL 16800
      &N36     ZyXEL 14400
      &N44     CELL 9600
      &N37     ZyXEL 12000
      &N45     CELL 7200T
      &N38     ZyXEL 9600
      &N46     CELL 4800T
      &N39     ZyXEL 7200
      &N47     CELL 4800C
      &N42     CELL 14400
      &N48     CELL 3600C
      &N43     CELL 120002 
      &N49     CELL 2400C

Note: ZyXEL modes except ZyXEL 16800 are available only with Plus models
      CELL modes are available only with ZyXEL's Cellular option

&Pn            Pulse dial make/break ratio                                S23b2
      &P0   *  Pulse dial make/break ratio= 39/61
      &P1      Pulse dial make/break ratio= 33/67
&Rn   RTS      (Received Data hardware flow control) function             S21b5
               selection, used in synchronous mode only
      &R0      CTS tracks RTS; response delay is set in S26                 S26
      &R1   *  Ignore RTS, assume RTS always on
&Sn            Data Set Ready (DSR)                                       S21b3
      &S0   *  DSR override, always on                                    S44b4
      &S1      Modem controls DSR according to CCITT                      S41b5
&Tn            Modem testing
      &T0      Terminate test in progress
      &T1      Initiate Analog Loopback test (ALB)
      &T3      Initiate Local Digital Loopback test (hardware test, LDL)
      &T4   *  Grant Remote Digital Loopback request from remote modem    S14b1
      &T5      Deny Remote Digital Loopback request from remote modem
      &T6      Initiate Remote Digital Loopback test (RDL)
      &T7      Initiate Remote Digital Loopback with self test (RDL+ST)
      &T8      Initiate Analog Loopback with self test (ALB+ST)
&Vn            View profile settings
      &V0      View current active settings
      &Vn      View user profile #(n-1) settings (n=1-4)
      &V5      View factory default settings
&Wn   n=0-3    Write current settings to NVRAM at user profile #n         S35b6
&Xn            Synchronous timing source                                  S14b4
      &X0   *  Modem provides synchronous transmit clock signal      
               (internal clock, applies to pin 15 of EIA-232D)
      &X1      Terminal provides synchronous transmit clock signal
               (external clock, applies to pin 24 of EIA-232D)
      &X2      Received carrier provides synchronous transmit clock signal
               (remote or slave clock, applies to pin 15 of EIA-232D)
&Yn            Break handling; Destructive breaks clear the buffer,       S28b2
               Expedited breaks are sent immediately to the remote system
      &Y0      Destructive, expedited
      &Y1   *  Nondestructive, expedited
      &Y2      Nondestructive, unexpedited
&Zn=s n=0-9    Write phone number s to NVRAM at position n; use             S29
               AT*Dn or ATS29=n to set default dial pointer
&Z?            Display the phone numbers stored in NVRAM



EXTENDED "AT*" COMMAND SET

Command        Function and description                               Reference

*$             Help, Extended, Star, command summary
*Bn            Dial-backup                                                S35bn
      *B0   *  Disable dial-backup
      *Bn      Enable dial-backup and set dial-backup pointer             S44b2
               at telephone directory location (n-1)
*Cn            Character length                                           S15b3
      *C0   *  10-bit character length
      *C1      11-bit character length
      *C2      9-bit character length
      *C3      8-bit character length
*Dn   n=0-9 *0 Set default dial pointer at telephone directory          S29 &Zn
               location n, use AT&Zn=s to store phone numbers
*En            Error control negotiation                                  S21b0
      *E0   *  If error control negotiation fails, keep
               the non-error control connection
      *E1      If error control negotiation fails, terminate the call
*Fn            Remote configuration                                       S36b0
      *F0   *  Deny remote configuration
      *F1      Accept remote configuration (Remote Digital                  &T4
               Loopback must be granted also, AT&T4)
*Gn            Security function                                          S36b5
      *G0   *  Disable security function
      *G1      Enable type 1 security, with password
               check (ZyXEL to ZyXEL only)
      *G2      Enable type 1 security, with password check
               and call-back (ZyXEL to ZyXEL only)
      *G3      Enable type 2 security, with password check
      *G4      Enable type 2 security, with password check and call-back
      *G5      Enable type 2 security, with password check and
               call-back; remote site enters the call-back number
*HS            Modify supervisory password
*Hn   n=0-9    Modify user password table at location n
*In            Command set                                                S17b6
      *I0   *  AT command set
      *I1      V.25bis command set
      *I2      Dumb mode
*Ln            Panel lock function                                        S28b1
      *L0   *  Panel key normal
      *L1      Panel key locked
*Mn            Leased line auto handshake                                 S14b0
      *M0   *  Leased line auto handshake on Originate mode
      *M1      Leased line auto handshake on Answer mode
*Pn  n=0-15 *9 Leased line transmission power level, set to -n dB   S17b1 S35b3
*Qn            Action taken when line quality changes                     S27b6
      *Q0      No response to poor signal quality
      *Q1      Retrain action taken if signal quality is poor             S41b2
      *Q2   *  Adaptive rate (auto fall-back/forward)
      *Q3      Disconnect for poor signal quality
*Rab           Read remote configuration b to local profile a             S36b1
      a=0-3    Local user profile number a                                S37b4
      b=0-3    Remote user profile number b                               S37b0
      b=4      Remote current configuration
      b=5      Remote factory default
*Sn   *S0   *  Secondary channel disabled                                 S17b0
      *S1      Secondary channel enabled
*T             Recall the last CND (Caller ID) information                S40b2
*V             View password table
*Wab           Write local user profile a to remote user profile b        S36b1
               and reset remote modem from profile b
      a=0-3    Local user profile number a                                S37b4
      a=4      Local active configuration
      a=5      Local factory default configuration
      b=0-3    Remote user profile number b                               S37b0



FAX, CLASS 2 "AT+F" COMMAND SET

Command             Function and description

=   Execute a command or set a parameter
=?         Read permissible setting
?          Read current setting
+FAA=n              Auto answer mode parameter
               n=0  DCE to answer as set by +FCLASS
               n=1  DCE can answer and auto-determine calling type
+FBOR=n             Phase C data bit order
               n=0  Select direct bit order
               n=1  Select reversed bit order in receiving mode
+FCIG="string"      Local polling ID string
+FCLASS=n           Service class selection
               n=0  Set to modem mode
               n=2  Set to Class 2 mode
               n=6  Set to ZFAX mode
               n=8  Set to Voice mode
+FCON               DCE response, fax connection made
+FCR=n              Capability to receive parameter
               n=0  DCE will not receive message data or poll a remote
+FDCC=vr,br,wd,ln,df,ec,bf,st  DCE capabilities parameters; refer to
                               EIA pro.2388 for detail descriptions
+FDCS=vr,br,wd,ln,df,ec,bf,st  Current session parameter; refer to
                               EIA pro.2388 for detail descriptions
+FDIS=vr,br,wd,ln,df,ec,bf,st  Current session negotiation parameters; refer
                               to EIA pro.2388 for detail descriptions
+FDR                Receive phase C data command, initiates document reception
+FDT [=df,vr,wd,ln] Transmit phase C data command, releases
                    the DCE to proceed with negotiation
+FET=n              End the page or document command
               n=0  More page, same document
               n=1  EE End of Document, another document next
               n=2  No more pages or documents
               n=4  Procedure interrupt, another page follow
               n=5  Procedure interrupt, another document follow
               n=6  Procedure interrupt, all done
+FLID="string"      Local ID string parameter
+FLPL=n        n=0  DTE has no document to poll
               n=1  DTE has a document ready for polling
+FMDL?              Request DCE model
+FMFR?              Request DCE manufacturer
+FPTS=n        n=1  Page good
               n=2  page bad; retrain requested
               n=3  Page good; retrain requested
               n=4  page bad; interrupt requested
               n=5  page good; interrupt requested
+FREV?              Request DCE revision
+FSPL=n        n=0  DTE does not want to poll
               n=1  DTE can receive a polled document



FAX, ZyXEL "AT#" COMMAND SET

Command        Function and description

#Bn            "CONNECT FAX" result code enable or disable
      #B0   *  Disable, used in ZFAX mode, normal operation
      #B1      Enable, for BBS fax receiving application; this command
               also changes CONNECT 12000/ARQ to CONNECT 9600/ARQ, and
               sends out external mail string "ZyXEL" when fax is
               connected; DCE will not send fax connection parameters
               until  is received from DTE
      #B2      Enable polling feature of fax; modem will
               send polling signal to remote fax machine
      #B3      Display ring cadence
#Cn            Set minimun scan line time capability at the receiver
      #C0      20 ms at 3.85 line/mm, T(7.7)=T(3.85)
      #C1       5 ms at 3.85 line/mm, T(7.7)=T(3.85)
      #C2      10 ms at 3.85 line/mm, T(7.7)=T(3.85)
      #C3      20 ms at 3.85 line/mm, T(7.7)=T(3.85)/2
      #C4      40 ms at 3.85 line/mm, T(7.7)=T(3.85)
      #C5      40 ms at 3.85 line/mm, T(7.7)=T(3.85)/2
      #C6      10 ms at 3.85 line/mm, T(7.7)=T(3.85)/2
      #C7       0 ms at 3.85 line/mm, T(7.7)=T(3.85)
#F             Set the U-1496 into ZyXEL fax mode, same as "AT&N32"
#Ln            Set maximum recording length
      #L0      Set maximum recording length, A4 (297mm)
      #L1      Set maximum recording length, B4 (364mm)
      #L2      Set maximum recording length, unlimited
#P     Set the local ID string, 25 characters max
#Rn            Set recording width
      #R0      Set 1728 picture elements along a scan line length of 215mm
      #R1      Set 2048 picture elements along a scan line length of 255mm
      #R2      Set 2432 picture elements along a scan line length of 303mm
#Tn            Coding Scheme
      #T0      Set to one dimensional coding scheme
      #T1      Set to two dimensional coding scheme
#Vn            Vertical resolution
      #V0      Set to normal vertical resolution
      #V1      Set to high vertical resolution

Result Code

(with #B0) CONNECT FAX/SnnnnVnTnRnLnCnP
(with #B1) /SnnnnVnTnRnLnCnP
           DISCONNECTxP

      Snnnn     First four digits of fax connection speed
      Vn        Vertical resolution; n=0-1
      Tn        Coding scheme; n=0-1
      Rn        Recording width; n=0-2
      Ln        Recording length; n=0-2
      Cn        Scan time; n=0-7
      x         Disconnect with confirmation (x=0) or without (x=1)
      P Remote fax number



VOICE, "AT+V" COMMAND SET

Command             Function and description

+=  Execute a command or set a parameter
+=?        Read permissible setting
+?         Read current setting

+FCLASS=8           Set modem to Voice mode
+VBT=n n=0-255 *10  Set the DTMF tone generation duration in tenths
                    of a second, used in conjunction with +VTS
VCON                DCE reports Voice connection made
+VIP                Initialize all the Voice parameters to factory default
+VLS=n              Voice I/O device selection
       n=0          Disconnect all I/O devices

       n=2          Dial-up line jack
       n=8          External mic (connect to Dial-up line jack)
       n=16         Connect to Internal Speaker
+VNH=n              Automatic hang-ups disable or enable
       n=0          DCE shall not disable automatic hang-ups
       n=1          DCE shall disable automatic hang-ups with ATH0
       n=2          DCE shall disable automatic hang-ups without ATH0
+VRA=n n=0-255 *70  Set length of time, in tenths of a second,
                    to wait between ringbacks before DCE assumes
                    remote station has gone off hook
+VRN=n n=0-255 *57  Set length of time, in tenths of a second,
                    to wait for ringback before DCE assumes
                    remote station has gone off hook
+VRX                Start the voice reception process
+VSD=,    Set the silence detection sensitivity
                    and the required period of silence
          *15  0-31, larger values imply that the DCE treats noisier
                    conditions as silence, 0 to disable silence detection
          *70  0-255, required period of silence in tenths of a second
+VSM=n              Voice compression method selection
       n=1          9.6 Kbps CELP (Code Excited Linear Prediction),
                    only available in Plus(+) models
       n=2     *    19.2 Kbps 2-bit ADPCM
       n=3          28.8 Kbps 3-bit ADPCM
+VTS=       Cause DCE to produce DTMF and other tones
+VTX                Start the voice transmission process



RESULT CODES OPTIONS TABLE

Result codes       Commands

ATV0 ATV1          ATX  0  1  2  3  4  5  6  7

0    OK                 V  V  V  V  V  V  V  V
1    CONNECT            V  V  V  V  V  @  $  #
2    RING*              V  V  V  V  V  V  V  V
3    NO CARRIER         V  V  V  V  V  V  V  V
4    ERROR              V  V  V  V  V  V  V  V
5    CONNECT 1200       %  %  %  %  @  $  #
6    NO DIAL TONE             V     V  V  V  V
7    BUSY                        V  V  V  V  V
8    NO ANSWER                   V  V  V  V  V
9    RINGING**                   V  V  V  V  V
10   CONNECT 2400          %  %  %  %  @  $  #
11   CONNECT 4800          %  %  %  %  @  $  #
12   CONNECT 9600          %  %  %  %  @  $  #
14   CONNECT 19200         %  %  %  %  @  $  #
15   CONNECT 7200          %  %  %  %  @  $  #
16   CONNECT 12000         %  %  %  %  @  $  #
17   CONNECT 14400         %  %  %  %  @  $  #
18   CONNECT 16800         %  %  %  %  @  $  #
19   CONNECT 38400         %  %  %  %  @
20   CONNECT 57600         %  %  %  %  @
21   CONNECT 76800         %  %  %  %  @

Use ATS35 bit 7 (ATS35.7=1) to enable the following numerical
result codes.  When a connection is made without error control,
the above table is used.

Numerical  Connect speed with
Code       Error Correction

30         CONNECT
31         CONNECT 1200
32         CONNECT 2400
33         CONNECT 4800
34         CONNECT 7200
35         CONNECT 9600
36         CONNECT 12000
37         CONNECT 14400
38         CONNECT 16800
39         CONNECT 19200

Notes:

V  Supported
%  Reporting DTE rate
@  CONNECT DTEspeed/Protocol LinkSpeed/ErrorControlLevel
   Example:  CONNECT 38400/V.32bis 14400/V.42bis
$  CONNECT LinkSpeed/ErrorControl
   Example:  CONNECT 14400/ARQ
#  CONNECT LinkSpeed/ErrorControl/ErrorControlLevel
   Example:  CONNECT 14400/ARQ/V.42b
*  When more than one type of Distinctive Ring is turned on
   (S40b3-6) "RINGn" will be reported, where n = Ring Type #
** Use S42b6 to disable "RINGING" result code



BASIC S-REGISTERS, "ATSn=x"

Command  Function and description                            +Default/Reference

S0=      Set the number of rings on which the modem will                   +000
         answer; 0 value disables auto-answer
S1=      Counts and stores number of rings from an incoming call           +000
S2=      Define escape code character, default "+" (43 decimal)            +043
S3=      Define ASCII Carriage Return                                      +013
S4=      Define ASCII Line Feed                                            +010
S5=      Define ASCII Backspace                                            +008
S6=      Set duration, in seconds, modem waits before                S41b4 +003
         dialing, not applicable if X2-X6 is used
S7=      Set duration, in seconds, modem waits for a carrier               +060
S8=      Set duration, in seconds, for pause (,) option in Dial command    +002
         and pause between command re-executions for Repeat (>) command
S9=      Set duration, in tenths of a second, of remote carrier signal     +006
         before recognition (ignored in non-FSK or half-duplex operation)
S10=     Set duration, in tenths of a second, modem waits                  +007
         after loss of carrier before hanging up
S11=     Set duration and spacing, in milliseconds, of dialed Touch-Tones  +070
S12=     Reserved



EXTENDED S-REGISTERS, "ATSn=x"

Subheading legend

bit   S-register bit number(s), b,  used in ATSr.b=n, ATSr.b=?
bin   Binary value of the bit field
dec   Decimal value, x, used in ATSn=x
hex   Hex value, h, used in U-1496 and U-1496R for setting
      "STATUS REGISTER" manually from front panel

Command                Function and description              +Default/Reference

S13= bit bin dec hex   Bit-mapped register                                 +000
       1   1   1  01   Capture modem manufacturer information during
                       V.42 handshake, can be displayed at ATI2 "Last
                       Speed/Protocol" line if available (Flash or
                       ZyXEL stands for ZyXEL connection)

S14= bit bin dec hex   Bit-mapped register                                 +002
       0   0   0  00 * Auto-handshake on Originate mode                     *M0
                       in leased line operation
           1   1  01   Auto-handshake on Answer mode                        *M1
                       in leased line operation
       1   0   0  00   Grant Remote Digital Loopback test                   &T4
           1   2  02 * Deny Remote Digital Loopback test                    &T5
     3,2  00   0  00 * Dial-up line                                         &L0
          01   4  04   2-wire leased line                                   &L1
          10   8  08   4-wire leased line                                   &L2
     5,4  00   0  00 * Internal clock                                       &X0
          01  16  10   External clock                                       &X1
          10  32  20   Remote clock                                         &X2
     7,6  00   0  00   Asynchronous data format                             &M0
          01  64  40   Asynchronous command, synchronous data               &M1
          10 128  80   Direct asynchronous no data buffering                &M2
          11 192  C0   Synchronous                                          &M3

S15= bit bin dec hex   Bit-mapped register                                 +130
     1,0  00   0  00   Even parity
          01   1  01   Odd parity
          10   2  02 * No parity
       2   0   0  00 * 1 stop bit
           1   4  04   2 stop bits
     4,3  00   0  00 * 10 bit character length                              *C0
          01   8  08   11 bit                                               *C1
          10  16  10   9 bit                                                *C2
          11  24  18   8 bit                                                *C3
     7-5 000   0  00   Profile 0 as active settings after power on           Z0
         001  32  20   Profile 1 as active settings after power on           Z1
         010  64  40   Profile 2 as active settings after power on           Z2
         011  96  60   Profile 3 as active settings after power on           Z3
         100 128  80 * Factory default as active settings after power on     Z4

S16=         dec hex   Test status register                                +000
               0  00   No test in progress
               1  01   Analog Loopback test in progress
               3  03   Local Digital Loopback test in progress
               6  06   Remote Digital Loopback test in progress
               7  07   Remote Digital Loopback with self test in progress
               8  08   Analog Loopback with self test in progress

S17= bit bin dec hex   Bit-mapped register                                 +018
       0   0   0  00 * Disable Secondary Channel                            *S0
           1   1  01   Enable Secondary Channel                       S42b0 *S1
     4-1               Leased line transmission power level, to       S35b3 *Pn
                       attenuate 0 to -15dB or -12dB to -27dB
       5   0   0  00 * Normal dial
           1  32  20   Reverse dial, answer mode on line                     DR
     6-7  00   0  00   AT command set                                       *In
          01  64  40   V.25 bis command set
          10 128  80   Dumb mode

S18=       dec   hex   Force modem to fix baud rate when idle              +000
             0    00 * Disable fixed baud function                          &Bn
          1-15 00-0F   Enable baud rate fixing at idle, baud rate         S44b6
                       value settings same as S20 value

S19=      0-49 00-31   Modem type, same setting value as &N                +000

S20=         dec hex   DTE speed (bps), auto detected from AT command      +002
               0  00   76800
               1  01   57600
               2  02   38400
               3  03   19200
               4  04   16800
               5  05   14400
               6  06   12000
               7  07    9600
               8  08    7200
               9  09    4800
              10  0A    3600
              11  0B    2400
              12  0C    1800
              13  0D    1200
              14  0E     600
              15  0F     300

S21= bit bin dec hex   Bit-mapped register                                 +178
       0   0   0  00 * Maintain non error control connection when           *E0
                       error control handshake fails
           1   1  01   Drop connection when error control handshake fails   *E1
     2,1  00   0  00   Speaker always off                                    M0
          01   2  02 * Speaker on until carrier is detected                  M1
          10   4  04   Speaker always on                                     M2
          11   6  06   Speaker on after last digit is dialed                 M3
                       out until carrier detected
       3   0   0  00 * DSR always on                                        &S0
           1   8  08   DSR according to CCITT                   S41b5 S44b4 &S1
       4   0   0  00   CD always on                                         &C0
           1  16  10 * CD tracks presence of data carrier             S38b3 &C1
       5   0   0  00   CTS follows RTS in synchronous mode                  &R0
           1  32  20 * Ignore RTS (CTS always on) in synchronous mode       &R1
     7,6  00   0  00   Ignore DTR signal, assume DTR always on              &D0
          01  64  40   108.1, DTR off-on transition causes                  &D1
                       dial of the default number
          10 128  80 * 108.2, DTR off causes the modem to                   &D2
                       hang up and return to command state
          11 192  C0   108.2, DTR off causes the modem to hang up and       &D3
                       reset the modem to profile #0 after DTR dropped

S23= bit bin dec hex   Bit-mapped register                                 +105
       0   0   0  00   Command echo disabled                                 E0
           1   1  01 * Command echo enabled                                  E1
       1   0   0  00 * Tone dial                                              T
           1   2  02   Pulse dial                                             P
       2   0   0  00 * Pulse dial make/break ratio = 39/61                  &P0
           1   4  04   Pulse dial make/break ratio = 33/67                  &P1
     5-3 000   0  00   ATX0  (See result code table)
         001   8  08   ATX1
         010  16  10   ATX2
         011  24  18   ATX3
         100  32  20   ATX4
         101  40  28 * ATX5
         110  48  30   ATX6
         111  56  38   ATX7
       6   0   0  00   Display result code in numeric format           S35b7 V0
           1  64  40 * Display result code in verbose format                 V1
       7   0   0  00 * Modem returns result code                             Q0
           1 128  80   Modem does not return result code               S40b1 Q1

S24= bit bin           Bit-mapped register                                 +138
     3-1 000-111       Ring volume control                                   Nn
     7-5 000-111       Speaker volume control                                Ln

S26=       0-255 0-FF  Delay, in 10ms units, of modem's CTS            &Rn +000
                       response to RTS in synchronous mode

S27= bit bin dec hex   Bit-mapped register                                 +156
     2-0 000   0  00   No error control                                     &K0
         001   1  01   MNP4 + MNP3                                    S41b0 &K1
         010   2  02   MNP4 + MNP5                              S38b5 S41b0 &K2
         011   3  03   V.42 + MNP4                                          &K3
         100   4  04 * V.42 + V.42bis (compatible with &K2)                 &K4
     5-3 000   0  00   Flow control disabled                                &H0
         011  24  18 * Hardware (RTS/CTS) flow control                      &H3
         100  32  20   Software (XON/XOFF) flow control                     &H4
         101  40  28   Reserved                                             &H5
     7,6  00   0  00   No response to poor signal quality                   *Q0
          01  64  40   Retrain action taken if signal quality is poor       *Q1
          10 128  80 * Adaptive rate (auto fall-back/forward)         S41b2 *Q2
                       when signal quality changes
          11 192  C0   Disconnect when signal quality is poor               *Q3

S28= bit bin dec hex   Bit-mapped register                                 +068
       0   0   0  00 * Single phone line, RJ-11 phone jack                  &J0
           1   1  01   Multiple phones/modem lines, RJ-11/RJ13 phone jack   &J1
       1   0   0  00 * Panel key normal                                     *L0
           1   2  02   Panel key locked                                     *L1
     3,2  00   0  00   Destructive, expedited break                         &Y0
          01   4  04 * Non-destructive, expedited break                     &Y1
          10   8  08   Non-destructive, unexpedited break                   &Y2
     5,4  00   0  00 * No guard tone                                        &G0
          01  16  10   Reserved                                             &G1
          10  32  20   1800 Hz guard tone                                   &G2
       6  00   0  00   DTE/DCE rate follows line rate             S18 S41b6 &B0
          01  64  40 * DTE/DCE rate fixed at DTE setting                    &B1
       7   0   0  00 * Select V.22 for 1200 bps communication                B0
           1 128  80   Select Bell 212A for 1200 bps communication           B1

S29=         0-9 0-9   Default dial phone number pointer;              *Dn +000
                       use AT&Zn=s to store phone numbers

S30=                   Dial-backup phone number pointer                *Bn +000
               0  00 * Disable dial-backup
            1-10 1-A   Enable dial-backup using phone                     S44b2
                       number at location (S30-1)

S31=       0-255 0-FF  Holds the ASCII value of XON                        +017
S32=       0-255 0-FF  Holds the ASCII value of XOFF                       +019
S34=       0-255 0-FF  Dial-backup restoral look-back timer, in minutes    +030

S35= bit bin dec hex   Bit-mapped register                                 +000
       0               Reserved
       1   1   2  02   Disable aborting from terminal during handshaking
       2   1   4  04   V.26 alternative A                                  &N11
       3   1   8  08   Extend the attenuation of leased or 4W   S17b1 S49b0 *Pn
                       cellular line transmission power by
                       -12 dB, add -12dB to S17b1 or S49b0
       4   1  16  10   When Data/Voice switch is pushed, modem will     S29 *Dn
                       dial the default number (U-1496 & U-1496R)
       6   1  64  30   Enable password protection to profile saving;        &Wn
                       when "AT&Wn" is issued, and the n profile in
                       the memory has this bit on, the supervisory
                       password will be requested
       7   1 128  60   Enable extended numerical result codes from     S23b6 V0
                       30-39 when an error correction connection is
                       made; use with ATV0; see result code table

S36= bit bin dec hex   Bit-mapped register                                 +000
       0   0   0  00 * Deny remote request for configuration                *F0
           1   1  01   Grant remote request for configuration               *F1
       1   0   0  00 * Write from local profile to remote profile          *Wab
           1   2  02   Read from remote profile to local profile           *Rab
     7-5               Security function control register
         000   0  00 * Disable security function                            *G0
         001  32  20   Enable type 1 security, with password                *G1
                       check (ZyXEL to ZyXEL only)
         010  64  40   Enable type 1 security, with password check          *G2
                       and call-back (ZyXEL to ZyXEL only)
         011  96  60   Enable type 2 security, with password check          *G3
         100 128  80   Enable type 2 security, with                         *G4
                       password check and call-back
         101 160  A0   Enable type 2 security, with password check and      *G5
                       call-back; remote site enters the call-back number

S37= bit bin           Bit-mapped register                                 +000
     3-0 0000-0101     Remote profile number                               *Wab
     7-4 0000-0101     Local profile number                                *Rab

S38= bit bin dec hex   Bit-mapped register                                 +000
       0   1   1  01   Repeatedly dialing default number                S29 *Dn
       3   1   8  08   DCD on/off sequence follows UNIX standard;     S21b4 &C1
                       DCD on before connect message is sent, DCD
                       off after last DCE response is sent
       4   1  16  10   Auto-mode fax receiving disabled                     &N0
       5   1  32  20   Disable MNP5                                         &Kn

S39= bit bin dec hex   Bit-mapped register                                 +000
       2   0   0  00 * Answer in answer mode                                  A
           1   4  04   Answer in originating mode
       3   1   8  08   Class 2 Fax Bitfax compatibility:
                       +FCON at 2400, next phase at 19200
       4   1  16  10   Class 2 Fax mode DTE shifting:
                       +FCON at current DTE, shift to 19200
                       when entering into the next phase

S40= bit bin dec hex   Bit-mapped register                                 +000
       1   1   2  02   No result code displayed in answer mode               Q2
       2   1   4  04   Enable Caller Number Delivery (Caller ID)       S42b2 *T
       3   1   8  08   Distinctive Ring Type #1:
                       1.2s or 2s on, 4s off
       4   1  16  10   Distinctive Ring Type #2:
                       0.8s on, 0.4s off, 0.8s on, 4s off
       5   1  32  20   Distinctive Ring Type #3:
                       0.4s on, 0.2s off, 0.4s on, 0.2s off, 0.8s on, 4s off
       6   1  64  40   Distinctive Ring Type #4:
                       0.3s on, 0.2s off, 1s on, 0.2s off, 0.3s on, 4s off

                       Note: If any Distinctive Ring bits are set, then
                       only those rings may be answered; if none are set,
                       then any ring may be answered.

S41= bit bin dec hex   Bit-mapped register                                 +000
       0   1   1  01   Special MNP compatibility                S27b0 S38b5 &Kn
       1   0   0  00 * Flag idle in V.25bis HDLC                            *I1
           1   2  02   Mark idle in V.25bis HDLC                          S17b6
       2   1   4  04   Disable retrain abort up to 5 min for          S27b6 *Qn
                       special satellite line condition
       3   1   8  08   Enable CCITT signals 140 and 141 on EIA-232D interface
       4   1  16  10   In X2-X7 setting, modem waits for S6 seconds
                       before dialing and ignores dial tone detection
       5   1  32  20   DSR follows DCD and pulses                     S44b4 &Sn
       6   1  64  40   Force S0 >= 2                                         S0
       7   1 128  80   Ignore calling tone, do not use for fax detection

S42= bit bin dec hex   Bit-mapped register                                 +000
       0   0   0  00 * Normal secondary channel, 75-2400 bps              S17b0
                       (U-1496, U-1496RN)
           1   1  01   Special secondary channel, fixed 2400 bps
                       (U-1496, U-1496RN)
       1               Reserved
       2   1   4  04   CND (Caller ID) message will be                 S40b2 Q2
                       forced on even if ATQ2 is set
       3   1   8  08   Disable escape sequence code in answer mode
       4   1  16  10   Disable V.17, 14400 Fax in calling                  &N32
                       mode, no effect to answering mode
       5   1  32  20   Disable Data/Voice button
       6   1  64  40   Disable "RINGING" result code                         Xn

S43= bit bin dec hex   Bit-mapped register                                 +000
       0   1   1  01   Disable ZyXEL 16800 in Multi-Auto mode               &N0
       1   1   2  02   Disable ZyXEL 19200 in Multi-Auto mode               &N0

S44= bit bin dec hex   Bit-mapped register                                 +000
       2   1   4   4   Semi-auto dial backup, modem will                S30 *Bn
                       wait for user's confirmation from
                       Front Panel before dialing attempt
       3   1   8  08   ATDSn initiates auto-dial of stored numbers    S38b0 &Zn
                       consecutively until a connection is made
       4   1  16  10   DSR follows DTR                                S41b5 &Sn
       5   1  32  20   Enable V.13, half duplex simulation
       6   1  64  40   With &B0: DTE fixed at 19200 when the link       S18 &B0
                       speed is above 9600, DTE fixed at 9600 if link
                       speed is 7200, otherwise, DTE follows link speed
                       With &B1: DTE fixed at current rate when an ARQ      &B1
                       connection is made; when a non-ARQ connection is
                       made, DTE follows the same logic as with &B0

S49= bit bin dec hex   Bit-mapped register                                 +000
     3-0    0-15 0-F   Transmission power level setting, used only        S35b3
                       with Cellular option, to attenuate 0 to 15dB
       7   0   0  00   For Cellular only, modem is installed in office
       7   1 128  80   For Cellular only, modem is mobile



EIA-232D INTERFACE

DB25                                            CCITT   EIA
Pin#  Signal Description               Source   Name    Name

  1   Protective Ground                         101     AA
  2   Transmit Data (TXD)              DTE      103     BA
  3   Receive Data (RXD)               DCE      104     BB
  4   Request To Send (RTS)            DTE      105     CA
  5   Clear To Send (CTS)              DCE      106     CB
  6   Data Set Ready (DSR)             DCE      107     CC
  7   Signal Ground                             102     AB
  8   Carrier Detect (CD) (DCD)        DCE      109     CF
 15   Synchronous Transmitter Timing   DCE      114     DB
 17   Synchronous Receiver Timing      DCE      115     DD
 18   Local Analog Loopback test       DTE      141
 20   Data Terminal Ready (DTR)        DTE      108/2   CD
                                                108/1
 21   Remote Digital Loopback test     DTE      140
 22   Ring Indicator (RI)              DCE      125     CE
 24   Synchronous Transmitter Timing   DTE      113     DA
 25   Test Indicator                   DCE      142



ZFAX / RCVFAX COMMAND LINE OPTIONS


ZFAX [cmdtype cmdoptions] [options]

cmdtype          format

0-TSR ZFAX       zfax 0
1-Send Fax       zfax 1 filename dest.faxnum
2-Print Fax      zfax 2 filename
3-Convert File   zfax 3 filename dest.file
4-View Fax       zfax 4 filename
5-Poll Fax       zfax 5 dest.faxnum
6-Send Message   zfax 6 filename dest.phone num.

options

/?     Display this help screen
/u     Remove TSR
/c:#   COM port number, 0-6
/r:#   Page Resolution, 0-1
/f:#   Dest.file format, 0-3
/t:#   Printer type, 0-7
/p:#   Printer port, 0-2
/g:#   Graphic device, 0-4
/n:#   Language Code, 0-4


RCVFAX cmdtype [options]

cmdtype                   format

0-Background rcvfax       rcvfax 0
1-Answer and rcvfax       rcvfax 1
2-Receive fax data only   rcvfax 2

options:

/?     Display this help screen
/s     Stop the TSR temporarily
/g     Resume the TSR after an /s operation
/u     Remove the TSR if possible
/p:#   COM port number, #=0-3
/r:#   Answer after # of ring(s); #=0 means do not auto-answer
       Hot key: Left-Shift + Tab to manual answer



Asyncronous Hardware Flow Control Cable Connection

DCE             DTE   DCE    Mac      NeXT 68040
DB25   Signal   DB9   DB25   Mini 8   Mini 8

  2    TXD       3      3      3       3
  3    RXD       2      2      5       5
  4    RTS       7      5      1       6
  5    CTS       8      4      2       8
  6    DSR       6     20
  7    Ground    5      7    4,8       4
  8    CD(DCD)   1             2
 20    DTR       4      6      1       1
 22    RI        9



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