Zyxel-communications 2864 Manuel d'utilisateur

i2864 Series ModemUser’s ManualDocument No.: 8406, Rev. 1.0ZyXEL COMMUNICATIONS CORPORATION

TOC-2MNP Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6V.42bis and V.42 . . . . . . . . .

8–14S30 Dial-backup phone number pointer; default: 0:S31 Default: 17; contains the ASCII decimal value of the XON character.S32 Default: 19; contains

8–15S36 Bit-mapped register (Security function control): default: 0:(6) 1 64 Enables password protection to profile sav-ing. When AT&W0 is issued a

8–16Remote configuration control:S37 Bit-mapped register;Default: 0 For remote configuration using the panel menu: (See *Wab, *Rab)S38 Bit-mapped regist

8–17S39 Bit-mapped register, default: 32:S40 Bit-mapped register, default: 0:(3) 0 0 CD tracks the carrier. (Default)1 8 The CD on/off sequence follow

8–18S41 Bit-mapped register, default: 0:S42 Bit-mapped register, default: 0:Q2 (1) 1 2 The modem does not return result codes when answering. No RING

8–19S43 Bit-mapped register, default: 8:S44 Bit-mapped register, default: 0:(5) 1 32 Disables DATA/VOICE button switch.(4) 1 16 Disables V.17 fax in c

8–20S45 Delay during which the CND silence detection is disabled. Unit is 20ms; default: 87: (See also S46)S46 CND silence detection interval. To proc

8–21S49 Bit-mapped register, default: 6:S50 Inactivity timer in 10-second units. The modem counts when there is no data flow in or out of the RS-232 se

8–22S52 Bit-mapped register, default: 0: S53 Reserved.S54 Reserved.S55 Reserved.S56 Hook flash time in 10ms units. A value of zero activates the standa

8–23S58-S70 Reserved.S71 Bit-mapped register (fax printing and storing control), default: 0:S72 Reserved.S73 Bit-mapped register (fax printing control

TOC-3MODEM OPERATIONMODEM OPERATION 4-1Parallel or Serial Port Operation. . . . . . . . . . . . . . . . . . . . . .4-1PC Parallel

8–24

9–1Chapter 9AT COMMAND SET SUMMARYAn AT command is a command issued by the computer/terminal to the modem through the asynchronous computer-modem inte

9–2R Originate a call in answer mode;must be entered as the last digit.! Hook flash. (Call transfer; see also S56), Pause for a time designated by S8.;

9–3Q2 The modem returns a result code but quiet after answering on a RING. (See also S42b2)Sr=n Sets S-register r to value n; n must be a decimal numb

9–421 CONNECT 76800 ●●●●✚22 CONNECT 115200 ●●●●✚23 CONNECT 230400 ●●●●✚24 CONNECT 460800 ●●●●✚25 CONNECT 921600 ●●●●✚26 CONNECT 307200 ●●●●✚27 CONNECT

9–5Examples:X5: CONNECT 38400/V.32 9600T/MNP5CONNECT 115200/V.34 28800/V.42bError control level is from NONE to V.42b.X6: CONNECT 9600/ARQCONNECT 2880

9–6+++ Escape sequence code, entered in data state, wait for modem to return to command state.$ Basic command summary help.&$ Extended AT& com

9–7&K0 No error control.&K1 MNP4 (includes MNP3).&K2 MNP4 + MNP5. (See also S38b5, S41b0)&K3 V.42 + MNP4.+ &K4 V.42 + V.42bis, com

9–8&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 Bell212A 1200&a

9–9+ &P0 Pulse dial make/break ratio= 39%:61%. (Default)&P1 Pulse dial make/break ratio= 33%:67%.&R0 CTS tracks RTS, response delay is set

TOC-4SETTINGS AND COMMANDSPROFILES 7-1Resetting from Profile . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6Saving t

9–10&X1 The terminal provides synchronous transmit clock signal. (External clock from pin 24 of EIA-232D.)&X2 The receiving carrier provides s

9–11*G5 Enables type 2 security, with password check and call back; remote site enters the call-back number.*HS Modifies supervisor password.*Hn Modif

9–12*M1 Leased-line auto-handshake on answer mode. *P0-15 Sets leased-line transmission power level, range from 0 dBm to -15 dBm (Default = -9 dB

10–1Chapter 10ERROR CONTROL AND DATA COMPRESSIONError ControlError control keeps the modem data link error-free by detecting and retransmitting errone

10–23) Automatic Re-transmission Request (ARQ) Error CorrectionOnce a data block is received error-free, the receiving modem will acknowledge this blo

10–3Run-length EncodingRun-length encoding is applied in an attempt to avoid sending long sequences of repeated characters (data). When three or more

10–4Bidirectional CompressionProcessing data compression consumes a lot of the modem controller CPU's com-putation power. Though data compression

10–5Hints for High-speed OperationThe communication software tends to lose incoming serial data when it is doing block disk data transfers, because th

10–6

11–1Chapter 11SYNCHRONOUS OPERATIONThis chapter introduces you to the use of the 2864 series modem for synchronous oper-ation. Use the modem as a sync

TOC-5LEASED-LINE OPERATION 12-1Connecting to a Leased Line . . . . . . . . . . . . . . . . . . . . . . 12-1Line Type . . . .

11–2Half-Duplex OperationFor a half-duplex modem, the carrier only exists in one direction at any specific time. The carrier, the local CTS signal, and

11–34) Dial from the panel.This is available only with an a LCD model’s LCD panel. Set the modem to synchronous mode, then select DIAL MEMORY or DIAL

11–4Setting up a ZyXEL Modem with the AS-400This is a typical application where the user will use both the synchronous feature of the modem and the V.

11–54) To save the settings to a profile, press MENU once, and press the right arrow key until you see SAVE TO. Press ENTER and then the right arrow ke

11–6

12–1Chapter 12LEASED-LINE OPERATIONA leased line is a permanent telephone line connection between two fixed points. It can be dedicated copper wires or

12–2Power LevelThe modem's leased-line mode transmission power level can be adjusted from 0 dBm to -27 dBm in 1 dBm increments. If a dial-up mode

12–3Auto-handshakeIf you want handshaking to occur automatically upon power-up, you have to save the leased-line configuration to the power-on profile.

12–4It will try these two alternatives indefinitely. If the dial backup attempt succeeds, the value of S-register S34 determines the interval of the di

13–1Chapter 13SPECIAL FUNCTIONSThis chapter describes the special features of the 2864 series modems including their functions and uses.Security Funct

TOC-6ADVANCED VOICE CAPABILITY 16-1Voice Data Compression . . . . . . . . . . . . . . . . . . . . . . . .16-1Automatic Detecti

13–2Password: (Enter supervisor password)********Password: (Enter new supervisor password)********Verify: (Enter the new supervisor password again)***

13–3Local profile modification is done by loading this profile as the active settings and then modifying and saving the active settings back to the profil

13–4mote modem in one action. It is particularly useful when there are many remote modems and a set of standard configurations is available so you can

13–5CALLER NUMBER: 7135551414 or CALLER NAME: Jack SmithRINGIn the multiple message format, if the caller's number and name are available, the ri

13–6A simple use of this feature is that you can have three numbers on the same line and you can list the three numbers for voice, data, and fax, resp

13–7telephone line for occasional fax or data calls; however, fax/data calls do come in from time to time.If a user lets the fax/data software applica

13–8The EDR settings are defined in S-register S51.S51 Bit-mapped register, default: 0:EDR detection (either CNG or DTMF tones) will be disabled once i

13–9Application ExampleIn the previous example, an answering machine was installed with a ZyXEL mo-dem. If we use ZFAX as our fax receiving applicatio

13–10

14–1Chapter 14CELLULAR MODE OPERATIONThe ZyXEL 2864 series models are equipped with a special communication mode - cellular mode - which enables the m

TOC-7HINTS AND TIPSGENERAL HINTS AND TIPS 19-1Activating Saved Settings upon Turning-on. . . . . . . . . . . . . . . . 19-1Avoiding Low

14–2A cellular phone may be instructed to change its transmission power depending on its distance from the cell site station. The radio link will be i

14–3ZyXEL ZyCellular ModesIn addition to normal modem, fax, and voice operation modes, the following cellu-lar modes are offered in 2864 series modems

14–4S49b7 tells the modem where it is installed. If S49.7=0, the modem is installed in an office connected to a normal telephone line; if S49.7=1, it m

14–5Fig. 14.1 is an example of a mobile phone that has a handset cradle and a separate transceiver and handset.Fig. 14.2 is an example of a mobile pho

14–6Fig. 14.3 is an example of a one-piece hand-held mobile phone.Some newer cellular models, particularly the hand-held ones, have an audio jack that

15–1Chapter 15FAX OPERATIONThe 2864 series universal modems support the Group 3 sending and receiving fac-simile function. For normal fax operation yo

15–2Fax Command SetsThe 2864 series universal modems support four command sets for the fax function, the Class 1 command set, the TIA PN-2388 Class 2

15–3Modulation values* w/st means with V.17 short trainingClass 2 Command SetThe following Class 2 commands are supported and implemented per TIA PN23

15–4+FBADMUL=<value>0-255 Error threshold multiplier:Determines if the "Copy Quality OK" on the T.30 flow chart is met. <value>=0

15–5br=4 Bit rate: 12000 bit/s; V.17.br=5 Bit rate: 14400 bit/s; V.17.wd=0 Page width: 1728 pixels in 215mm.wd=1 Page width: 2048 pixels in 255mm.wd=2

TOC-8APPENDICESGLOSSARY GLO-1EIA-232D INTERFACE A-1PHONE JACK PIN ASSIGNMENTS B-1ZyXEL PARALLEL PORT INTERFACE C-1V.25bis COMMAND SET D-1STANDARDS E-1

15–6n=2 Error correcting mode is enabled, handled by the DCE alone, including buffering of partial pages.+FET=n End of page or document command:n=0 Mo

15–7All other +F commands are not supported, but the modem will respond OK. In many cases this means "don't care." See PN 2388 for comm

15–8Class 2 Flow ControlFlow control is necessary to match the DTE-DCE data rate to the line signaling rate while transmitting or receiving Group 3 (T

15–9+FCC=vr,br,wd,ln, df,ec,bf,stDCE capability parameter: refer to the +FDCC Class 2 command on page 15-4 for parameter settings.+FCLASS=n S

15–10+FIS=vr,br,wd,ln, df,ec,bf,stCurrent session parameter: refer to the +FDCC Class 2 command on page 15-4 for parameter settings.+FKS Sessi

15–11+FNS="string" Non-standard byte string parameter."string": string of hexadecimally coded octets.+FPI="string" Local

15–12Class 2.0 Command ResponsesResponseValue Function and Description+FCI:"CSI ID string"Reports remote ID response, Called Station ID (CSI

15–13Extended Fax AT CommandsThese commands are unique to the ZyXEL modems. The computer controls the modem through a set of extended fax AT commands

15–14The modem accepts the extended fax AT commands to set the modem mode and fax parameters. Besides the extended fax AT commands, the modem accepts

15–15Status Report Result CodesWhen the modem is set in the fax mode, each ATD or ATA command will make the modem try to establish a fax connection an

1–1Chapter 1INTRODUCTIONThe 2864 series of V.34 modems includes three sub-series of models, namely the Su-preme, Elite and Omni series. The Supreme an

15–16This message includes the connection speed and the fax parameters.After each fax disconnection, the following result code is sent back to the DTE

15–17The following flow control signaling is used while receiving a fax: CTS is not used when receiving a fax.RTS is used to inform the modem that the

15–182) Change one of the connection messages in the list to CONNECT FAX.3) Set the external mail string to ZyXEL and give it an error level.4) In you

15–19Use the serial port to enter the command:AT+FCLASS=ZThe modem will enter into direct fax reception and print mode. Youalso need to set the S0 reg

15–20The modem supports laser printers compatible with HP Laserjet-II printers or laser printers supporting the HP PCLII programming command language.

15–21Stand-alone FAX Reception and StoringWith the DRAM option installed, you can have the modem receive faxes and store them in the DRAM. To work in

15–22You can use a computer with your existing fax software package to retrieve fax pages stored in DRAM. Use either the parallel port or the serial p

16–1Chapter 16ADVANCED VOICE CAPABILITYVoice capability stands for the modem's ability to digitize incoming voice messages, which the computer st

16–2of data. It is the recommended 3-bit ADPCM scheme. It will automatically recover from data errors when playing without producing a noisy voice sig

16–3In ZyXEL voice mode, three states exist that roughly correspond to the flow direction of the digitized voice data; the Voice Command State (no data

1–2number. When the model is changed, the approval number is also changed. Find the new approval number and check whether it is appropriate for the us

16–4Voice Data StateThe DCE is in Voice Data State when the DCE is operating in voice mode and is communicating with a remote station or with one or m

16–5(2) does not expect to receive digitized data from the DTE, perform conversion, or transmit the analog signal to the remote station or to one or m

16–61 (0x31) DTMF 12 (0x32) DTMF 23 (0x33) DTMF 34 (0x34) DTMF 45 (0x35) DTMF 56 (0x36) DTMF 67 (0x37) DTMF 78 (0x38) DTMF 89 (0x39) DTMF 90 (0x30) DT

16–7Action Commands in Voice Data StateThe DTE may initiate actions by inserting a <DLE> shielded code into the data to the DCE. The form of the

16–8Voice AT CommandsThe following is a summary of the supported voice AT commands:AT Command SyntaxAT is the command line prefix. Voice commands take

16–9whereby <CM> represents a two-letter command syntax. A value string consists of values separated by commas or semicolons. The first two comma

16–10DCE reports this result code when the DCE has determined upon detection of an answer-tone that the remote station is a data modem. The DCE may al

16–11• AT+FCLASS=?The DCE returns permitted modes. The response is (with S57.4=1):0,1,2,2.0,6,8,ZOK• AT+VLH=?This enables the DTE to inquire the hook

16–12• AT+FLO?The DCE returns the current flow control setting, followed by the OK result code.• AT+FLO=?The DCE returns permitted flow control methods.

16–13(2) The DTE sends a <DLE><!> shielded code.(3) A DTE/DCE Inactivity Timer time-out occurs.Upon termination of the voice receival stat

1–3lar mode, fax sending and receiving, voice mail, network management, and diagnostic features.Hints and Tips - Section five is the trouble-shooting a

16–14• AT+VTXThis command causes the DCE to start the voice transmission process. The DCE begins the Voice Transmission Mode by returning the CONNECT

16–15The DCE returns the result code OK if the DCE accepts this command, or it re-turns the result code ERROR if the <level> parameter is out of

16–16The DCE returns the VCON result code (returns OK if S48.5=1) if the DCE ac-cepts this command, or it returns the ERROR result code if the <dev

16–17The DCE returns the OK result code if the DCE accepts this command, or it re-turns the ERROR result code if the <interval> value is out of

16–18• AT+VSM=<cml>This command causes the DCE to select a compression method as follows:The DCE returns the OK result code if the DCE accepts t

16–19• AT+VTD?The DCE returns the current beep duration and pause interval setting followed by the OK result code.• AT+VTD=?The DCE returns the permit

16–20The DCE returns the OK result code if the DCE accepts this command, or it re-turns the ERROR result code if the <timer> value is out of ran

16–21Voice file playing via internal speaker.← 2;ADPCM;2;0;(9600)3;ADPCM;3;0;(9600)30;ADPCM;3;0;(9600)4;ADPCM;4;0;(9600)OKAT+VSM=4 → Selects 4-bit ADPC

16–22Voice file playing via line← 2;ADPCM;2;0;(9600)3;ADPCM;3;0;(9600)30;ADPCM;3;0;(9600)4;ADPCM;4;0;(9600)OKAT+VSM=2 → Selects the 2-bit ADPCM compres

16–23Answering machine (Voice call)AT+VLS=2 → Connects to the line.← VCONAT+VTX → Starts replay.← CONNECT<DATA> →<DLE><ETX> →← OK Re

iiLimited WarrantyZyXEL Communications Corporation warrants to the original retail purchaser that this product is free from defects in materials or wo

1–4The 2864 Series Standard Features• Synchronous/Asynchronous operations for external stand alone models and rack mount models. (Parallel port interf

16–24Answering machine (Fax call)← OK Returns to the command state.AT+VSM=2 → Changes to 2-bit ADPCM for recording.← OKAT+VRX → Starts recording.← CON

16–25Answering machine (Data call)AT+VSM=4 → Selects 4-bit ADPCM for the greeting message.← OKAT+VLS=2 → Connects to the line.← VCONAT+VTX → Starts to

16–26AT+VSM=4 → Selects 4-bit ADPCM for the greeting message.← OKAT+VLS=2 → Connects to the line.← VCONAT+VTX → Starts to play the greeting message.←

16–27Connecting a Telephone Set to the Modem's PHONE JackA normal telephone set can be connected to the 2864 modem's PHONE jack and be used

16–28

17–1Chapter 17NETWORK MANAGEMENT CAPABILITYWhen there are several modems installed at different places forming a modem net-work, it is desirable to mo

17–2NMS Capable ModelsAll ZyXEL rack models except the RE and RE+ models are NMS capable, but only the model with the N suffix has the secondary channe

18–1Chapter 18DIAGNOSTICSThe 2864 series modems provide several diagnostic capabilities:• Power-on Self-Test• Analog Loopback Test• Analog Loopback wi

18–2A reset command from the panel will restart the power-on self-test. If an error mes-sage is displayed on the screen, turn off the modem, wait for

18–3ing the test. This test can only be initiated while the modem is off-line. If the parallel port DTE interface is used, this test will test the par

1–5• Non-volatile memory for parameter/setting storage.• Remote configuration.• Security call back.• Caller ID detection.• Distinctive ring detection.•

18–4Level field of the LCD screen will indicate LDL. The Elite model’s TST LED indicator will be ON. This test can be initiated by the local modem when

18–5cal modem both provide V.54 Remote Digital Loopback capability. The Control Level field of the LCD screen of the initiating modem will indicate RLB

18–6Received Signal Power Level (RX)This reading is expressed in 0.1 dBm resolution. The modem-measured receiving signal power is generally within 1-2

18–7ON-LINE SCREEN 4 also has four counters recording the modem's actions and reac-tions.FRN (Fast Rate Negotitation) Granted (FG)The count of th

18–8This Link Status Report is very helpful in finding out the link condition and what is wrong with the link, if anything. Following are the explanati

18–9Retrains RequestedNumber of times the local modem has requested a retrain. Each request is an indi-cator of bad receiving conditions.Retrains Gran

18–10Throughput DisplayIf the modem is operated in asynchronous operation, we can tell the line quality from the Throughput Display. If the speed disp

19–1Chapter 19GENERAL HINTS AND TIPSActivating Saved Settings upon Turning-onUse the command ATWn to save a set of parameters into one of the availabl

19–2ING message with the RING message which the modems return when they detect an incoming call. These programs usually interrupt the connection and t

20–1Chapter 20THE FIRST CONNECTIONTelecommunication using computers and modems is a simple task. You need only observe a few - important - parameters.

1–6Additional specific featuresISDN Ready or UpgradeableThe 2864I model has an ISDN module to connect to an ISDN line. On the other 2864 models the pho

20–24) From the menu Settings, choose Modem Commands and in the dialog, choose the parameter set Hayes.5) Go to the dialog Settings - Terminal Emulati

21–1Chapter 21ZyXEL MODEMS AND A PCAll of the modems of the 2864 series may be used with a PC. If you install the in-ternal PC card model, you don&apo

21–2For high speed serial connections at 230.4Kbps or 460.8Kbps, use a low-capaci-tance cable. Also, keep the cable as short as possible.Parallel Cabl

21–3WINDOWS folder during the installation of Windows. Increasing the serial port priority in Windows may degrade the performance of other programs.Wh

21–4

22–1Chapter 22ZyXEL MODEMS AND UNIXHints for Unix SetupsCablePlease consult the documentation that came with your workstation to find the part number o

22–2Your /etc/gettydefs should contain a number of definitions appropriate for your purpose. Choose or create one for a multi-speed modem with hardware

23–1Chapter 23ZyXEL MODEMS AND APPLE MACINTOSHThe external models of the 2864 series modems may be connected to an Apple Macintosh computer. You may u

23–2state of bit 3 (vsync) of the V1A1 chip's data register A determines which transfer method is used. If the bit is low, the serial port is use

23–3Software for the Apple MacintoshAll terminal programs which make use of the hardware handshaking feature can be used on the Apple Macintosh. Such

1–7also control the switching between the phone line connecting to the modem and the telephone set connecting to the modem. Both the modem and the tel

23–4

24–1Chapter 24ZyXEL MODEMS AND ATARIS All external models of the ZyXEL 2864 series may be connected to Atari comput-ers. The factory settings should w

24–2Hardware TipsWhile the 25-pin connector of the ST is 100% compatible with a PC connector and standard cables may be used, the maximum data rate on

24–3Using RufusSome very old versions are irritated by the RINGING message during a dial-up if the RUFUS dial directory is used to initiate a call. Di

24–4

25–1Chapter 25ZyXEL MODEMS AND AMIGAYou may connect any of the external models of the ZyXEL 2864 series to an Amiga computer. The default modem settin

25–2Software TipsA number of PD and shareware telecomunication packages, fax and voice software are available in BBSs and from the major online servic

Glossary-1GLOSSARYAnalog: Not digital. Analog quantities may have any value.Analog loopback test: Testing method in which the modem's analog outp

Glossary-2Bit rate: Count of data bits transmitted per time unit. The framing bits needed for asynchronous transfer are also counted in the calculatio

Glossary-3Data packet: Block of data which is framed by error control groups. A block consists of up to 256 8-bit groups. Data packets are used in syn

1–8• one (1) 2864 series universal modem• one (1) power adapter (external model)• one (1) RJ11 telephone cable• one (1) JM8 leased-line cable (2864L m

Glossary-4EEPROM: An Electronically Erasable and Programmable Read Only Memory. Such a device is used in ZyXEL modems to store settings and profiles.

Glossary-5each point to some short program sequence. An interrupt stops the currently run-ning program and the segment to which the vector points is e

Glossary-6Packed data: Data from which redundant information has been removed. Some file extensions denote packed files. Standard extensions are .ZIP,

Glossary-7RS: Abbreviation of recommended standard.RTS/CTS: See CTS/RTS.RXD: Line for the received data on a serial port following RS-232C.Security fu

Glossary-8ter: Old French word for three.Terminal Equipment: A computer running terminal software is used as terminal equipment in modem connections.T

A–1Appendix AEIA-232D INTERFACESignal pinITU-TSSSignal nameEIASignal nameDescription DirectionDTE -DCE1 101 AA Protective Ground (GND).2 103 BA Transm

A–2

B–1Appendix BPHONE JACK PIN ASSIGNMENTSMost models of the ZyXEL 2864 modem series feature two RJ11 phone jacks, one for the dial-up line connection (L

B–2

C–1Appendix CZyXEL PARALLEL PORT INTERFACESignal pinSignal name Description DirectionAdapter - Printer1 -STROBE Strobe pulse →2 DATA 0 Data signal: bi

1–9ZyXEL modems support the extended AT command set and are compatible with most communication software packages. However, there are some unique featu

C–2Note: "Direction" column refers to the direction of the signal flow. When the 2864 ISDN or modem's parallel port is connected to a PC

D–1Appendix DV.25bis COMMAND SETSyntaxCommand with Parameters1DescriptionCRN CRN <dialstring>2Call request with number provided.CRS CRS n Call

D–2

E–1Appendix ESTANDARDSASCII Control CharactersOctDec. Hex Character Key Description000 0 0x00 NUL CTRL-@ NUL character001 1 0x01 SOH CTRL-A Header sta

E–2Selection of ITU-T standardsX.1-X.15 Services and features.X.1 International classes for users in public data networks.X.15 Definitions regarding pu

E–3X.400-X.430 Message transmission systems.X.400 Layer model - Service elements of the layers.X.430 Access protocols for terminals.Data transmission

E–4

Index-1INDEX&Bn 8-13&Cn 8-10&Dn 8-10&Gn 8-13&Hn 8-12&Jn 8-13&Kn 8-12&Ln 8-5&Mn 8-5&Pn 8-11&Rn 8-10&Sn

Index-2automatic redial 2-9AUX RS232 cable 3-13averaging throughput 10-4B&Bn 8-13*Bn 8-14Bn 8-13backspace character 8-3backup 8-14band noise 18-5b

Index-3communicationasynchronous 2-2synchronous 2-2communication software 1-8Communication Toolbox 23-2companding 14-2compatibility 1-3compression 2-6

1–10

Index-4<DLE> 16-5*Dn 8-13DOS 4-2double arrow 5-3DRAM 1-7, 15-21driver 4-2, 20-2DSR 6-5, 8-10, 8-20, 9-9DTE 6-5DTE rate 6-4, 8-19, 9-6DTE speed 8

Index-5fax-storing 15-21FCC information v+FCLASS 15-14features 1-4file format 16-20file transfer protocol 2-7firmware 18-10fixed baud rate 8-7flash 19

Index-6L&Ln 8-5*Ln 8-13Ln 8-11LAPM 10-1laser printer 15-20leased line 6-10, 7-3, 7-5, 8-5, 8-14,9-7, 12-1leased-line 2-3, 9-11LED indicator 3-2, 5

Index-7NOT 8-2null-modem 2-2, 20-1Ooctet 18-8Omni 1-2Omni models 3-10on-line state 9-2on-screen button 5-1operation mode 1-3OR 8-2ORG/ANS 3-4originate

Index-8Q1 15-16Qn 8-11quality action 6-8R*R 8-16&Rn 8-10radio link 14-1rate change 18-7RDL 8-5, 9-9RDL request 6-9read S-register 8-1rear panelEli

Index-9serial port 1-7, 2-2, 4-1, 10-4, 21-1,21-2, 23-1, A-1priority 21-3speed 6-4, 6-5service class 15-4setparameter 6-2setting 9-9, 16-8, 20-1settin

Index-10throughput 18-10, 19-1throughput averaging 8-19, 10-4, 19-1TIA 15-2time-limit 13-2timer extension 8-18timing 13-8tone dial 9-3spacing 8-4total

2–1Chapter 2MODEM AND FAX BASICSThis chapter is intended for those readers who want to know the details behind mo-dem and fax operations; what's

2–2RS-232C or EIA-232D/ERS-232C is the Recommended Standard (RS) of the Electronic Industries Associa-tion (EIA), defining the serial communication int

2–3A PC's COM1 and COM2 are asynchronous serial ports. Most PCs' and Unix sys-tems' serial data communications are asynchronous. The se

iiiNotice: ZyXEL COMMUNICATIONS CORPORATION does not assume any liability arising out of the application or use of any products, or software described

2–4nal transmission in both directions. This is the type of phone service most people have in their home or office. Since the same two wires are used f

2–5BRIBRI, Basic Rate Interface, is the ISDN service provided to a normal home or office. It consists of 2B+D data channels. A D channel offers a speed

2–6V.25bis Command SetV.25bis is a set of auto-dialing commands defined by the ITU-T. V.25bis supports both synchronous and asynchronous data interface

2–7V.42bis and V.42V.42bis and V.42 are data compression and error correction standards set by the ITU-T. V.42bis has a better data compression efficie

2–8Modem as a FaxModems can also be designed to include a fax transmitting and receiving function similar to a fax card. Since the modem's interf

2–9Distinctive RingThis is a service available from some phone companies in some areas of the USA and elsewhere. You can have several phone numbers on

2–10Automatic Redial / Call HuntingMost modems will automatically redial a telephone number several times if a con-nection could not be established on

3–1Chapter 3MODEM INSTALLATIONThis chapter describes the panel function of the 2864 series modems and serves as their installation guide.External Mode

3–2LED IndicatorsThe combinations of the V34 and V32b LEDs indicate the following modes:PWR PoWeR on indicator; lights up when the modem‘s power is ON

3–3The following four indicators have different meanings depending on whether the modem is connected to a DTE (computer or terminal) through either of

ivAcknowledgmentsTrademarks mentioned in this manual are used for plain informational purpose. Trademarks are properties of their respective owners.U-

3–4Front Panel SwitchesThere are two toggle switches on the Elite 2864 front panel.D/V (DATA/VOICE)A toggle switch that switches the modem on-line (of

3–5 The following table explains the connectors on the rear panel:Connecting the Elite 2864Power ConnectionConnect the power plug from the adapter to

3–7Elite 2864L Front PanelThe Elite 2864L's front panel is exactly the same as the Elite 2864's except that the Elite 2864L has an LL LED in

3–8Supreme 2864L Front PanelFig. 3.3 shows the front panel of the Supreme 2864L. There are 10 LED indicators, a 20×2 LCD display, and four directional

3–9Connecting the Supreme 2864LPlease refer to the section Connecting the Elite 2864 on page 3–5. The descriptions therein also apply to connecting th

3–10Omni 288P and Omni 288SThe Omni models are V.34 modems with V.34/fax/voice capability, but without the ISDN capability. The Omni 288P includes a p

3–11as on the Omni 288P except that the Omni 288S has two LED indicators labeled RTS and CTS instead of PRP and PCP as found on the Omni 288P.The mean

3–12Omni 288S Rear PanelThe Omni 288S’s rear panel is identical to the Omni 288P’s except that the connec-tor labeled TO DTE is a DB25 female connecto

3–13If the modem’s parallel port is always connected to a laser printer for fax printing, a computer/terminal can connect to the modem’s AUX RS232 ser

vFCC Part 15 InformationThis device complies with Part 15 of FCC rules. Operation is subject to the follow-ing two conditions:1) This device may not c

3–14

4–1Chapter 4MODEM OPERATIONParallel or Serial Port OperationThe 2864 models provide both a parallel port and a serial port for DTE connection, but onl

4–2PC Parallel Port OperationIf the modem's parallel port is connected to a PC's parallel port, the PC can com-municate with the modem throu

4–3ZyXEL Parallel Port AdapterZyXEL is developing a special parallel port adapter that will make parallel port trans-fers much faster between a PC and

4–4Firmware Update/UpgradeThe 2864 series modem uses 4Mbit flash EPROM(s). The firmware in flash EPROM can be updated by uploading a file from the locally

4–5For the Supreme models, pressing the MENU key (the UP arrow key) while turning on the modem will have the modem execute the kernel program.You can

4–6On the internal card model, short the TS2 jumper with a plug, then power up the computer. The modem will be reset and will run a self-test. Printab

5–1Chapter 52864 QUICK STARTThis chapter explains how to dial and answer using a modem. If you use this modem with a PC, you probably don't need

5–2The cursor is blinking above one of these on-screen buttons - a dark rectangle which may be moved using the keys next to the display. The modem als

5–3LED status screen has five status indicators - DCD, DSR, CTS, RTS, and SQ. These status indicators are identical to the LED indicators of the non-LC

vicontact your local telephone company to determine the maximum REN for your calling area.If your equipment causes harm to the telephone network, the

5–4Dial MemoryThe first menu of the dialing directory is DIAL MEMORY. Pressing the ENTER key will cause the following screen to appear:The first stored

5–5ENTER. The blinking cursor will change into an underscore and will move to the next position on the right side of the colon(:). SELECT MEMORY will

5–6When you want to switch from modem to voice communication, simply lift up the handsets of both sides and press the ENTER key while the blinking cur

5–7Dialing MessagesDialing will cause the following screen to be displayed on the LCD:The dialed phone number will be displayed on the second line of

5–8If a connection has been made, the LCD will display the actual connected status. These are data state screens:On-line Status Screen 1On-line Status

5–9On-line Status Screen 4Pressing the left or right arrow key in any one of the ON-LINE STATUS screens will cause the LCD to scroll through the four

5–10

6–1Chapter 6MODEM PARAMETER SETTINGSThis chapter explains how to view and set various major modem parameters using the Supreme 2864L CONFIGURATION men

6–2Parameter SelectionPress the left or right arrow key to view and scroll the available parameters. Only the parameters currently in effect have the

6–3TERMINAL OPTIONSDATA FORMAT DATA FORMAT defines the methods your modem employs to exchange data with the local DTE and the remote DCE.CHARACTER LENG

viiInformation for Canadian UsersThe Industry Canada (IC, formerly DOC) label identifies certified equipment. This certification means that the equipment

6–4DTE RATEDTR OPTIONSDCD OPTIONS+ FIXED AT&B1 Modem serial port speed is always fixed, no matter what link rate (modem speed) is con-nected. If S4

6–5RTS OPTIONSDSR OPTIONSCOMMAND ECHORESULT CODEDTE ASYNC SPEED+ IGNORED AT&R1 The modem assumes that RTS is always ON and ignores the serial port

6–6MODEM OPTIONSLINK OPTIONS12000 6240009600 1248007200 624004800 416002400 312001200 24960460800 20800300 921600+ MULTI-AUTO AT&N0 Auto handshaki

6–7V.22b 2400 AT&N14 V.22bis 2400/1200V.22 1200 AT&N15 V.22 1200V.21 300 AT&N16 V.21 300V.32b 14400 AT&N17 V.32bis 14400/12000/9600/72

6–8QUALITY ACTIONDEFAULT DIALDIAL BACKUPGUARD TONE(For V.22 and V.22bis answer mode operation).AUTO RE-TRAINAT*Q1 Retrains automatically when poor sig

6–9RDL REQUESTLLINE TX POWER (Leased LINE)PHONE JACKMAKE/BREAK RATIOSECONDARY CHANNEL (Optional feature)GRANT AT&T4 Accepts remote digital loopbac

6–10PANEL LOCKSYNC CLOCKAUTO HANDSHAKELINE TYPE+ UNLOCK AT*L0 Panel key operation is normal. (Default)LOCK AT*L1 Panel key is ocked.Note: When the pan

6–11ERROR CONTROLCONTROL LEVELFLOW CONTROLNEGOTIA(TION) FALLBACKBREAK HANDLINGLevel Error Control CompressionNONE AT&K0 disabled disabledMNP4 (MNP

6–12AUDIO OPTIONSSPEAKER CONTROLSPEAKER VOLUMERING VOLUMENote: Only the expedited break is implemented in transmission, but all types of break are acc

7–1Chapter 7PROFILESThe 2864 series modems let you save up to 4 sets of configurations which are called profiles. You can save each entire modem configur

viii

7–2…S115=000 S116=000 S117=000 S118=000 S119=000S120=000 S121=000 S122=000 S123=000 S124=000S125=000 S126=000 S127=000OKCurrent se

7–3DCD Tracks CarrierDSR Always OnError Control V.42bis + MN5Flow Control CTS/RTSQuality Action Adaptive RateLine Type Dial-upAT&V2Profile 1 Setti

7–4Error Control V.42bis + MNP5Flow Control CTS / RTSQuality Action Adaptive RateLine Type 2W Leased LineTerminal Keyboard Aborting DisabledAuto Hands

7–5Sync Clock InternalLine Type Dial-upAT&V4Profile 3 Settings...B0 E1 L4 M1 N5 Q0 V1 X5&B1 &C1 &D0 &G0 &H0 &J0

7–6AT&V5Factory Settings...B0 E1 L4 M1 N5 Q0 V1 X5&B1 &C1 &D2 &G0 &H3 &J0 &K4 &L0

7–7Selecting profile n will reset the modem and load user profile n. Profile n is also set as the power-on profile.Saving to ProfileYou can save your curre

7–8Note that only profile 0 can be protected.Setting S35 bit 6 in profile 0 will also protect the supervisor password. If this bit is set, the superviso

8–1Chapter 8STATUS REGISTERSS-registers (status registers) contain values that determine and reflect how your modem operates and executes commands. You

8–2For example, if you want to set S38 bit 3 to 1 for a specific application, you may either use ATS38.3=1 (simple) or use the following method (difficu

8–3S-Register DescriptionsThe descriptions for each S-register follow. In most bit-mapped S-registers, the default bit value is 0 (which is the normal

TOC-1TABLE OF CONTENTSFCC Part 15 Information . . . . . . . . . . . . . . . . . . . . . . . . . . vFCC REQUIREMENTS. . . .

8–4S7 60 0 255 Sets the number of seconds the modem will wait for a carrier. If the modem does not detect a carrier within this time limit, it hangs u

8–5ZyXEL-specific RegistersS12 Reserved.S13 Bit-mapped register; default: 0:S14 Bit-mapped register; default: 2:S15 Bit-mapped register; default: 130:C

8–6S16 Test status register; default: 0:Z1 001 32 Profile 1 as active settings; also active after the next power turn-on.Z2 010 64 Profile 2 as active

8–7S17 Bit-mapped register; default: 18:S18 Set DTE speed for auto answer;Default: 0: Same value format as S20 (exception: set to 32 for 230400 bps).

8–8&N6 6 V.29 9600&N7 7 V.29 7200&N8 8 V.29 4800&N9 9 V.27bis 4800&N10 10 V.27bis 2400&N11 11 V.26bis 2400&N12 12 V.23 120

8–9S20 DTE speed (auto-detected from AT command); default: 1:&N65 65 V.34 21600&N66 66 V.34 19200&N67 67 V.34 16800&N68 68 V.34 14400&

8–10S21 Bit-mapped register; default: 178:S22 Reserved.Code Bits Bin. Dec. Description&D0 (7, 6) 00 0 The modem ignores the DTR signal, DTR is alw

8–11S23 Bit-mapped register; default: 105:S24 Bit-mapped register; default: 138:Code Bits Bin. Dec. DescriptionQ0 (7) 0 0 The modem returns result cod

8–12S25 DTR detection delay;Default: 0: Specifies in units of 10ms the minimum time that the DTR signal must be OFF in order to be detected. If S25=0,

8–13S28 Bit-mapped register; default: 68:S29 Default dial phone number pointer; default: 0:Use AT&Zn=<number> to store a phone number at add