ZyXEL quick reference 6.00, reformatted & edited
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From comp.dcom.modems Sun May 30 23:19:12 1993
Newsgroups: comp.dcom.modems
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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