Zyxel 2864 - Manual

vii Information for Canadian Users The Industry Canada (IC, formerly DOC) label identifies certified equipment. This certification means that the equipment meets certain telecommunications net-work protective, operational, and safety requirements. IC does not guarantee that the equipment will operat...

TOC-1 TABLE OF CONTENTS FCC Part 15 Information . . . . . . . . . . . . . . . . . . . . . . . . . . vFCC REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . vTELEPHONE COMPANY REQUIREMENTS . . . . . . . . . . . . . . . . . . . viInformation for Canadian Users . . . . . . . . . . . ....

TOC-2 MNP  Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 V.42bis and V.42 . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6Xmodem, Ymodem, and Zmodem . . . . . . . . . . . . . . . . . . . . 2-7Fax and Facsimile . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-...

TOC-3 MODEM OPERATION MODEM OPERATION 4-1 Parallel or Serial Port Operation . . . . . . . . . . . . . . . . . . . . . . 4-1PC Parallel Port Operation . . . . . . . . . . . . . . . . . . . . . . . . 4-2Parallel Port under Windows . . . . . . . . . . . . . . . . . . . . . . . 4-2Parallel Port under DO...

TOC-4 SETTINGS AND COMMANDS PROFILES 7-1 Resetting from Profile . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6Saving to Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7Profile Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7Resetting Profiles . . . ....

TOC-7 HINTS AND TIPS GENERAL HINTS AND TIPS 19-1 Activating Saved Settings upon Turning-on. . . . . . . . . . . . . . . . 19-1Avoiding Low Throughput and Loss of Data . . . . . . . . . . . . . . . 19-1Disabling Compression May Yield Faster Transfers . . . . . . . . . . . . 19-1Avoiding Disconnection...

TOC-8 APPENDICES GLOSSARY GLO-1 EIA-232D INTERFACE A-1 PHONE JACK PIN ASSIGNMENTS B-1 ZyXEL PARALLEL PORT INTERFACE C-1 V.25bis COMMAND SET D-1 STANDARDS E-1 ASCII Control Characters . . . . . . . . . . . . . . . . . . . . . . . . E-1Selection of ITU-T standards . . . . . . . . . . . . . . . . . . ....

1–1 Chapter 1 INTRODUCTION The 2864 series of V.34 modems includes three sub-series of models, namely the Su-preme, Elite and Omni series. The Supreme and Elite series models have ISDN ca-pability or can be upgraded to have ISDN capability. The Omni series does not have ISDN capability. The Supreme ...

1–2 number. When the model is changed, the approval number is also changed. Find the new approval number and check whether it is appropriate for the user to do the model transformation before you start the transformation process. Like the Elite series, the Supreme series includes different models wh...

1–3 lar mode, fax sending and receiving, voice mail, network management, and diagnostic features. Hints and Tips - Section five is the trouble-shooting and special advice section. Here you will find additional information on how to use a 2864 series modem with your computer, and some hints and tips ...

1–4 The 2864 Series Standard Features • Synchronous/Asynchronous operations for external stand alone models and rack mount models. (Parallel port interface is for asynchronous transmission only) • Asynchronous operations for PC internal card model. • MNP class 4/5 error correction/data compression. ...

1–6 Additional specific features ISDN Ready or Upgradeable The 2864I model has an ISDN module to connect to an ISDN line. On the other 2864 models the phone line interface module may be removed and replaced instead by an ISDN module to become an ISDN modem. The ISDN modem has both ISDN capability an...

1–7 also control the switching between the phone line connecting to the modem and the telephone set connecting to the modem. Both the modem and the telephone set may also be connected to the line at the same time. A telephony software program can utilize these capabilities to support various telepho...

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 model only)one (1) RJ45 ISDN telephone cable (2864I model only) • one (1) 2864 series user’s manual • one (1) ZFAX 3.5" floppy disk and floppy ...

1–9 ZyXEL modems support the extended AT command set and are compatible with most communication software packages. However, there are some unique features in the ZyXEL modem and there are a few unique commands to control them. Some communication packages need a file with information about the comman...

2–1 Chapter 2 MODEM AND FAX BASICS This chapter is intended for those readers who want to know the details behind mo-dem and fax operations; what's going on behind the scenes. In addition to introduc-ing basic modem and fax terminology, this chapter helps users to understand and be able to utilize t...

2–5 BRI BRI, 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 of 16Kbps for signal-ing information transmission. Each B channel is for user data transmission at 64Kbps. Each B channel can be used independentl...

2–6 V.25bis Command Set V.25bis is a set of auto-dialing commands defined by the ITU-T. V.25bis supports both synchronous and asynchronous data interfaces and is mainly used in Europe and in IBM mainframe or mini-environments which use synchronous communica-tion. Error Correction In synchronous data...

3–1 Chapter 3 MODEM INSTALLATION This chapter describes the panel function of the 2864 series modems and serves as their installation guide. External Modems A shielded RS-232 cable is required to ensure compliance with FCC Part 15, and it is the responsibility of the user to provide and use a shield...

3–4 Front Panel Switches There are two toggle switches on the Elite 2864 front panel. D/V (DATA/VOICE) A toggle switch that switches the modem on-line (off-hook DATA mode) or off-line (on-hook, Voice or Talk mode, the telephone set is connected to the line). The OH LED indicator will be turned on an...

3–10 Omni 288P and Omni 288S The Omni models are V.34 modems with V.34/fax/voice capability, but without the ISDN capability. The Omni 288P includes a parallel port as DTE interface, the Omni 288S includes a serial port as DTE interface. Omni 288P Front Panel Fig. 3.3 shows the front panel of the Om...

3–12 Omni 288S Rear Panel The Omni 288S’s rear panel is identical to the Omni 288P’s except that the connec-tor labeled TO DTE is a DB25 female connector which connects to a DTE’s serial port and there is no AUX RS232 connector. Connecting the Omni 288P Turn off the power on the computer (if possibl...

3–13 If 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 serial port for issuing AT commands and reception of responses. This is good for configuration and mon-itoring operation without disconnecting the laser...

4–1 Chapter 4 MODEM OPERATION Parallel or Serial Port Operation The 2864 models provide both a parallel port and a serial port for DTE connection, but only one out of three connection modes may be active at any time. The available modes are: • SP: Serial port mode; • PRP: Printer parallel port mode;...

4–3 ZyXEL Parallel Port Adapter ZyXEL is developing a special parallel port adapter that will make parallel port trans-fers much faster between a PC and the Elite 2864. The speed limitation in this case will be determined by how fast and how efficient the PC software program can han-dle the data. Th...

4–4 Firmware Update/Upgrade The 2864 series modem uses 4Mbit flash EPROM(s). The firmware in flash EPROM can be updated by uploading a file from the locally connected DTE. There is no need to open the modem case or use a programming device. The firmware is distributed in a file with the following na...

4–5 For 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 also use the ATUPA command to upload the firmware file. In this case you can simply dump the firmware file to modem after typing the ATUPA command. ...

5–1 Chapter 5 2864 QUICK START This chapter explains how to dial and answer using a modem. If you use this modem with a PC, you probably don't need to worry about modem settings. The factory de-fault should be just right for you. Connect the modem according to the instructions in chapter 3, install ...

5–2 The 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 also displays the cur-rent status and settings in the idle screen: Panel Operation Use the four arrow keys to manipulate the menu tree. Menu Tree Fig. 5...

5–3 LED status screen has five status indicators - DCD , DSR , CTS , RTS , and SQ . These status indicators are identical to the LED indicators of the non-LCD modems. Val-ues in one of the other screen displays may give much more detailed information than some of these status indicators; e.g., a dat...

5–4 Dial Memory The first menu of the dialing directory is DIAL MEMORY . Pressing the ENTER key will cause the following screen to appear: The first stored number shown on the menu is the default dial number which can be selected from the DEFAULT DIAL menu. By pressing the left or right arrow key, y...

5–6 When 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 cursor is on the H or Hang Up. The LCD display will show DISCONNECTING ? to ask for a confir- mation. Press ENTER again and the modem will change from d...

5–7 Dialing Messages Dialing will cause the following screen to be displayed on the LCD: The dialed phone number will be displayed on the second line of the 20 × 2 LCD screen. If the number exceeds 20 digits, only the first 20 digits/characters will be dis-played. If the modem's DIAL-UP LINE jack is...

5–8 If a connection has been made, the LCD will display the actual connected status. These are data state screens: On-line Status Screen 1 On-line Status Screen 2 On-line Status Screen 3 Status Display Unit/Meaning Link Option V34 V.34 Line Speed 28800 bps Error control V42b V.42bis Line Type DL D i...

5–9 On-line Status Screen 4 Pressing the left or right arrow key in any one of the ON-LINE STATUS screens will cause the LCD to scroll through the four screens. We will discuss the ON-LINE STATUS screens 2, 3, and 4 in more detail in chapter 18. Pressing the ENTER key while in any ON-LINE STATUS scr...

6–1 Chapter 6 MODEM PARAMETER SETTINGS This chapter explains how to view and set various major modem parameters using the Supreme 2864L CONFIGURATION menu tree. The non-LCD model users can also consult this menu tree for available parameter options, but must use the equiv-alent AT command to set the...

6–2 Parameter Selection Press the left or right arrow key to view and scroll the available parameters. Only the parameters currently in effect have the equal sign ( = ) before their respective selec- tions, otherwise a colon ( : ) appears, meaning that this parameter choice is a selecta- ble option....

6–3 TERMINAL OPTIONS DATA FORMAT DATA FORMAT defines the methods your modem employs to exchange data with the local DTE and the remote DCE. CHARACTER LENGTH COMMAND SET + ASYNC AT&M0 Operates as an asynchronous modem with data buffering, may work with data compres-sion and/or error control. Fixe...

6–6 MODEM OPTIONS LINK OPTIONS 12000 624000 9600 124800 7200 62400 4800 41600 2400 31200 1200 24960 460800 20800 300 921600 + MULTI-AUTO AT&N0 Auto handshaking withV.34 28800 to 2400 ZyX19200 19200 (Disabled wth S43.1=1 ) ZyX16800 16800 (Disabled with S43.0=1 ) V.32bis 14400/12000/7200 V.32 9600...

6–10 PANEL LOCK SYNC CLOCK AUTO HANDSHAKE LINE TYPE + UNLOCK AT*L0 Panel key operation is normal. (Default) LOCK AT*L1 Panel key is ocked. Note: When the panel key is locked, it can only be used to view menu items but not to make changes. You can use the PANEL LOCK menu to lock the key, but you cann...

6–11 ERROR CONTROL CONTROL LEVEL FLOW CONTROL NEGOTIA(TION) FALLBACK BREAK HANDLING Level Error Control Compression NONE AT&K0 disabled disabled MNP4 (MNP3) AT&K1 MNP4 disabled MNP4 + MNP5 AT&K2 MNP4 MNP5 V.42 (MNP4) AT&K3 V.42 or MNP4 disabled + V.42(b) + MNP4(5) AT&K4 V.42 or M...

6–12 AUDIO OPTIONS SPEAKER CONTROL SPEAKER VOLUME RING VOLUME Note: Only the expedited break is implemented in transmission, but all types of break are accepted in reception. ALWAYS OFF ATM0 The speaker is always OFF. The ring is inde-pendently controlled by RING VOLUME . + ON UNTIL CONNECT ATM1 The...

7–1 Chapter 7 PROFILES The 2864 series modems let you save up to 4 sets of configurations which are called profiles. You can save each entire modem configuration in the non-volatile EEP-ROM memory for later use as default settings, or you can use it as the power-on de-fault. Use the SAVE TO configur...

7–6 AT&V5 Factory Settings............. B0 E1 L4 M1 N5 Q0 V1 X5 &B1 &C1 &D2 &G0 &H3 &J0 &K4 &L0 &M0 &N0 &P0 &R1 &S0 &X0 &Y1 *B0 *C0 *D0 *E0 *F0 *G0 *I0 *L0 *M0 *P9 *Q2 *S0 s000=000 s001=000 s002=043 s003=013 s004=010 s005=008 s006=003 s...

7–7 Selecting profile n will reset the modem and load user profile n. Profile n is also set as the power-on profile. Saving to Profile You can save your current settings to one of the four user profiles. If you want to modify one of the profiles, recall it as the active settings, then use the panel ...

7–8 Note 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 supervisor password cannot be reset to the default ZyXEL by a modem hard-ware reset (see chapter 18). Memorize your password well before setting this bit. ...

8–1 Chapter 8 STATUS REGISTERS S-registers (status registers) contain values that determine and reflect how your modem operates and executes commands. You can read their values and change them, either using terminal commands or the modem's panel controls with the same results. Every user profile cor...

8–3 S-Register Descriptions The descriptions for each S-register follow. In most bit-mapped S-registers, the default bit value is 0 (which is the normal situation) and only the non-default situa-tion is described. Some reserved bits are for factory use and the user should not change them. The Standa...

8–5 ZyXEL-specific Registers S12 Reserved. S13 Bit-mapped register; default: 0: S14 Bit-mapped register; default: 2: S15 Bit-mapped register; default: 130: Code Bits Bin. Dec. Description (1) 0 0 Doesn't capture modem manufacturer info. (Default) 1 2 Captures modem manufacturer information during V....

8–11 S23 Bit-mapped register; default: 105: S24 Bit-mapped register; default: 138: Code Bits Bin. Dec. Description Q0 (7) 0 0 The modem returns result codes. (Default) Q1 1 128 The modem does not return result codes. (See also S40b1 ) V0 (6) 0 0 Displays result code in numeric format. (See also S35b...

9–1 Chapter 9 AT COMMAND SET SUMMARY An AT command is a command issued by the computer/terminal to the modem through the asynchronous computer-modem interface in asynchronous data for-mat. AT commands control the modem's behavior and actions. To send an AT command from a computer to the modem, you m...

9–2 R 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 . ; Return to command state after dialing. @ Wait for a 5-second silence before proceeding, otherwise return NO ANSWER . DL Dials the last-dialed ...

9–5 Examples: X5: CONNECT 38400/V.32 9600T/MNP5 CONNECT 115200/V.34 28800/V.42b Error control level is from NONE to V.42b . X6: CONNECT 9600/ARQ CONNECT 28800/ARQ Error control level is either ARQ or not given at all. X7: CONNECT 9600/ARQ/MNP5 CONNECT 28800/ARQ/V.42b Use S35.7=1 to enable the follow...

9–6 +++ Escape sequence code, entered in data state, wait for modem to return to command state. $ Basic command summary help. &$ Extended AT& command summary help. *$ Extended AT* command summary help. Extended AT& Command Set &B0 DTE/DCE rate follows link rate. (If the communication...

9–10 &X1 The terminal provides synchronous transmit clock signal. (External clock from pin 24 of EIA-232D.) &X2 The receiving carrier provides synchronous transmit clock signal. (Remote or Slave clock to pin 15 of EIA-232D.) &Y0 Destructive break, expedited. (Destructive break clears the...

10–1 Chapter 10 ERROR CONTROL AND DATA COMPRESSION Error Control Error control keeps the modem data link error-free by detecting and retransmitting erroneous data. ZyXEL modems support both MNP and V.42 error control proto-cols. The MNP protocol was an industry de facto standard developed and licens...

10–4 Bidirectional Compression Processing data compression consumes a lot of the modem controller CPU's com-putation power. Though data compression protocols of V.42bis and MNP5 are bidirectional, most modems slow down when doing bidirectional file transfers because of limited processing power. ZyXE...

10–5 Hints for High-speed Operation The communication software tends to lose incoming serial data when it is doing block disk data transfers, because the hard disk interrupt priority level is usually higher than that of the serial port interrupt in the computer. The communication software can do a h...

11–1 Chapter 11 SYNCHRONOUS OPERATION This chapter introduces you to the use of the 2864 series modem for synchronous oper-ation. Use the modem as a synchronous modem when it is connected to a synchronous computer or terminal. Be sure that the remote modem and system are also set to syn-chronous. Sy...

11–2 Half-Duplex Operation For a half-duplex modem, the carrier only exists in one direction at any specific time. The carrier, the local CTS signal, and the remote CD signal will follow the RTS signal in a certain manner. Some communication software packages written for half-duplex modems rely on t...

11–3 4) 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 NUMBER to dial out the number you want. After the modem is connected, the modem will enter syn-chronous operation. 5) Manual dial. Set the modem to ...

11–4 Setting up a ZyXEL Modem with the AS-400 This is a typical application where the user will use both the synchronous feature of the modem and the V.25bis option. Although we are using the IBM AS-400 com-puter as an example, other mid-range systems and mainframes should be able to use the same st...

12–1 Chapter 12 LEASED-LINE OPERATION A leased line is a permanent telephone line connection between two fixed points. It can be dedicated copper wires or a leased telephone circuit from the telephone com-pany. The 2864L model supports 4-wire and 2-wire leased lines. 4-wire leased lines use one pair...

12–3 Auto-handshake If you want handshaking to occur automatically upon power-up, you have to save the leased-line configuration to the power-on profile. How to designate a profile to be a power-on profile is described in chapter 7. Please remember to set the hand-shake mode before you save the conf...

12–4 It will try these two alternatives indefinitely. If the dial backup attempt succeeds, the value of S-register S34 determines the interval of the dial backup connection before going back to check the leased line. A semi-auto dial backup is selected if S44.2=1 . In this mode, when making dial bac...

13–1 Chapter 13 SPECIAL FUNCTIONS This chapter describes the special features of the 2864 series modems including their functions and uses. Security Function The 2864 series provides a security function, that (when enabled) prevents an un-authorized user from making a connection. Two types of securi...

13–2 Password: (Enter supervisor password) ******** Password: (Enter new supervisor password) ******** Verify: (Enter the new supervisor password again) ******** OK The command AT*Hn will modify the nth user password. You will be prompted to enter the supervisor password first and then be prompted t...

13–5 CALLER NUMBER: 7135551414 or CALLER NAME: Jack Smith RING In the multiple message format, if the caller's number and name are available, the ring message will be: RING TIME: MM-DD hh:mm CALLER NUMBER: <Caller_ID> CALLER NAME: <Caller_Name> RING Following is an example: RING TIME: 04...

13–6 A 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, respectively. You can then have your fax machine answer only the ring corresponding to the fax number and have your modem answer only the ring correspond...

13–7 telephone 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 application answer calls, voice calls will be missed; on the other hand, if a human being or an answering machine answers calls, fax or data calls may eith...

13–9 Application Example In the previous example, an answering machine was installed with a ZyXEL mo-dem. If we use ZFAX as our fax receiving application and we don't want it to an-swer the call unless it is a fax call, the way to set it up would be: 1) Set ZFAX to answer on 2 rings.2) Set S51.0=1 t...

14–1 Chapter 14 CELLULAR MODE OPERATION The ZyXEL 2864 series models are equipped with a special communication mode - cellular mode - which enables the modem to perform reliable high speed data trans-missions over cellular phone links. Although most ZyXEL modems can provide the cellular mode, the U-...

14–2 A cellular phone may be instructed to change its transmission power depending on its distance from the cell site station. The radio link will be interrupted for about 0.2 second. An effect similar to cell hand-off will occur. A particularly difficult cellular impairment for data communication i...

14–3 ZyXEL ZyCellular Modes In addition to normal modem, fax, and voice operation modes, the following cellu-lar modes are offered in 2864 series modems: CELL 14400 will connect with another modem using cellular mode at a speed of up to 14400 bps. It will also connect with another V.32bis/V.32 modem...

14–4 S49b7 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 means the mo- dem is a mobile unit connected to a cellular phone. When a ZyCellular modem calls or answers another modem, it will indicate its cell...

15–1 Chapter 15 FAX OPERATION The 2864 series universal modems support the Group 3 sending and receiving fac-simile function. For normal fax operation you must connect the modem to a com-puter, usually a PC. The computer is the input/output device for the fax function. The interface between the mode...

15–2 Fax Command Sets The 2864 series universal modems support four command sets for the fax function, the Class 1 command set, the TIA PN-2388 Class 2 command set, the TIA 592 Class 2.0 command set, and the ZyXEL Extended Fax AT command set. The Class 1 protocol uses the modem to transmit the fax d...

15–3 Modulation values * w/st means with V.17 short training Class 2 Command Set The following Class 2 commands are supported and implemented per TIA PN2388 (8/20/90). Supported Commands (per TIA PN2388 8/20/90) Value Modulation Speed Requirements 3 V.21 ch. 2 300 required for FTH & FRH +FTH and...

15–13 Extended Fax AT Commands These commands are unique to the ZyXEL modems. The computer controls the modem through a set of extended fax AT commands and the modem responds with a set of status report result codes. During the data state, compressed fax image data is flowing between the modem and t...

15–18 2) 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 your BBS batch file, if the error level matches the external mail, execute rcvfax 2 /p:comport [/w:workpath]. This setting will enable the BBS to rec...

15–21 Stand-alone FAX Reception and Storing With the DRAM option installed, you can have the modem receive faxes and store them in the DRAM. To work in this mode, you need to use the AT+FCLASS=Z command to set the modem to work in the Class Z mode. Also, you need to use the +FZF=n command to set the...

16–1 Chapter 16 ADVANCED VOICE CAPABILITY Voice capability stands for the modem's ability to digitize incoming voice messages, which the computer stores and forwards. It also means that the modem can play-back the recorded digitized voice either off-line for local message listening or on-line for a ...

16–2 of data. It is the recommended 3-bit ADPCM scheme. It will automatically recover from data errors when playing without producing a noisy voice signal. The modem also supports simultaneous DTMF (Dual Tone Multiple Frequency) tone detection, thus enabling the use of the keypad of a tone-dialing p...

16–3 In ZyXEL voice mode, three states exist that roughly correspond to the flow direction of the digitized voice data; the Voice Command State (no data transfer other than event re-ports), the Voice Transmission State (digitized voice data transfer from the DTE to the DCE), and the Voice Receival S...

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 more local devices. The ZyXEL 2864 series modems provide three ways to leave the Voice Receival State: (1) A <DLE><!> shielded code is rec...

16–7 Action Commands in Voice Data State The DTE may initiate actions by inserting a <DLE> shielded code into the data to the DCE. The form of the action is <DLE><code>, whereby <code> can be one of the possible character values listed in the following table : L (0x4C) Loop c...

16–8 Voice AT Commands The following is a summary of the supported voice AT commands: AT Command Syntax AT is the command line prefix. Voice commands take one of the following forms: <ETX> (0x3) Ends Transmission Data State: The DTE sends this code to signify the end of the voice data from the...

16–9 whereby < CM > represents a two-letter command syntax. A value string consists of values separated by commas or semicolons. The first two command forms are for read actions, the last two are for write actions. A command line may have both ac-tion types or be just a read or write type only...

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. The response is : 0,1,2 OK Action Voice Commands for Voice Mode Operation • AT+V IP The DCE will initialize all voice parameters to the def...

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 state, the DCE will append a <DLE><ETX> character pair, followed by the OK result code. The DCE then returns to the Voice Command State. Th...

16–14 • AT+V TX This command causes the DCE to start the voice transmission process. The DCE begins the Voice Transmission Mode by returning the CONNECT result code to the DTE. After this report, the DCE accepts <DLE> shielded voice data from the DTE. The DTE shall send the data in the format ...

16–20 The 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 range. • AT+V SY ? The DCE returns the current resync timer value, followed by the OK result code. • AT+V SY =? The DCE returns the permitted interva...

16–27 Connecting a Telephone Set to the Modem's PHONE Jack A normal telephone set can be connected to the 2864 modem's PHONE jack and be used for recording and playback. A telephone set needs DC voltage and a current supply to work. This DC voltage is normally supplied through the phone line from th...

17–1 Chapter 17 NETWORK MANAGEMENT CAPABILITY When there are several modems installed at different places forming a modem net-work, it is desirable to monitor and control all of the modems and modem links from a central location. When there are hundreds of modems installed at one cen-tral location, ...

17–2 NMS Capable Models All ZyXEL rack models except the RE and RE+ models are NMS capable, but only the model with the N suffix has the secondary channel capability. A secondary channel is necessary for remote control and hierarchical control. For a large central site local control, the secondary c...

18–1 Chapter 18 DIAGNOSTICS The 2864 series modems provide several diagnostic capabilities: • Power-on Self-Test • Analog Loopback Test • Analog Loopback with Self-Test • Local Digital Loopback Test • Remote Digital Loopback Test • Remote Digital Loopback with Self-Test • Line Condition Status Displ...

18–5 cal modem both provide V.54 Remote Digital Loopback capability. The Control Level field of the LCD screen of the initiating modem will indicate RLBST , and that of the accepting modem will indicate LDL . This test can be initiated by either modem when the modems are on-line. Line Condition Stat...

18–10 Throughput Display If the modem is operated in asynchronous operation, we can tell the line quality from the Throughput Display. If the speed displayed is slower than usual or what you expected, check the S/N reading. If it is good, check the configuration of the modem and the computer's seria...

19–1 Chapter 19 GENERAL HINTS AND TIPS Activating Saved Settings upon Turning-on Use the command ATWn to save a set of parameters into one of the available pro- files. Make these settings your current settings by resetting the modem from the profile using the command ATZn . The active profile will b...

19–2 ING message with the RING message which the modems return when they detect an incoming call. These programs usually interrupt the connection and try to re-ceive the non-existing call. Disable the RINGING message with ATS42.6=1 . Calling from an Extension / Blind Dial If your modem is connected ...

20–1 Chapter 20 THE FIRST CONNECTION Telecommunication using computers and modems is a simple task. You need only observe a few - important - parameters. This example shows you how to log into a BBS using the terminal program which is included with Microsoft Windows 3.x. As a Windows component, this...

21–1 Chapter 21 ZyXEL MODEMS AND A PC All of the modems of the 2864 series may be used with a PC. If you install the in-ternal PC card model, you don't need a serial cable. The modem's standard profiles should be just fine with most applications. If you are connecting to the modem’s parallel port, m...

22–1 Chapter 22 ZyXEL MODEMS AND UNIX Hints for Unix Setups Cable Please consult the documentation that came with your workstation to find the part number of or information on how to make a serial cable for your workstation. The cable should be a hardware-handshaking cable. Please refer to Appendix ...

22–2 Your /etc/gettydefs should contain a number of definitions appropriate for your purpose. Choose or create one for a multi-speed modem with hardware-hand-shaking (if your cable supports this). Remember that the name tag must be the same as in /etc/initttab . A possible entry in /etc/gettydefs mi...

23–1 Chapter 23 ZyXEL MODEMS AND APPLE MACINTOSH The external models of the 2864 series modems may be connected to an Apple Macintosh computer. You may use the standard modem settings, with one excep-tion: use AT&D0 . Connector When you connect a ZyXEL modem to a Macintosh computer, make sure th...

23–2 state 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 used in asynchronous mode. If it is high, synchronous transfers are possible. You need special software which handles this bit. The standard drivers of the C...

23–3 Software for the Apple Macintosh All terminal programs which make use of the hardware handshaking feature can be used on the Apple Macintosh. Such programs are readily avilable as PD, shareware or commercial software. One of the most powerful shareware programs available is ZTerm. Fewer program...

24–1 Chapter 24 ZyXEL MODEMS AND ATARIS All external models of the ZyXEL 2864 series may be connected to Atari comput-ers. The factory settings should work just fine with your Atari computer. Cable The standard Atari ST, Mega ST and Falcon 030 models provide just a single serial port, while the Mega...

24–2 Hardware Tips While 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 this port is restricted to 19200 bps. Kits are available which allow speeds of up to 57600 bps. If you want to use your Atari ST as an answering ma...

25–1 Chapter 25 ZyXEL MODEMS AND AMIGA You may connect any of the external models of the ZyXEL 2864 series to an Amiga computer. The default modem settings should work fine in most instances. Cable Among the Amiga computers, two versions of the serial port exist. The Amiga 1000 has a female 25-pin c...

A–1 Appendix A EIA-232D INTERFACE Signal pin ITU-TSSSignal name EIASignal name Description DirectionDTE -DCE 1 101 AA Protective Ground (GND). 2 103 BA Transmitted Data(TXD). → 3 104 BB Received Data(RXD). ← 4 105 CA Request To Send (RTS). → 5 106 CB Clear To Send (CTS). ← 6 107 CC Data Set Ready (D...

B–1 Appendix B PHONE JACK PIN ASSIGNMENTS Most models of the ZyXEL 2864 modem series feature two RJ11 phone jacks, one for the dial-up line connection (LINE) and one for an optional connection to a telephone set (PHONE). The signals on these pins are: The signals A and A1 are used with the KTS (Key ...

C–1 Appendix C ZyXEL PARALLEL PORT INTERFACE Signal pin Signal name Description Direction Adapter - Printer 1 -STROBE Strobe pulse → 2 DATA 0 Data signal: bit 0. ↔ 3 DATA 1 Data signal: bit 1. ↔ 4 DATA 2 Data signal: bit 2. ↔ 5 DATA 3 Data signal: bit 3. ↔ 6 DATA 4 Data signal: bit 4. ↔ 7 DATA 5 Dat...

D–1 Appendix D V.25bis COMMAND SET Syntax Command with Parameters 1 Description CRN CRN <dialstring> 2 Call request with number provided. CRS CRS n Call request with number frommemory, 0 ≤ n ≤ 49; n is the memory location. PRN PRN n; <number> Saves <number> to address n(0 ≤ n ≤ 49)...

E–1 Appendix E STANDARDS ASCII Control Characters Oct Dec. Hex Character Key Description 000 0 0x00 NUL CTRL-@ NUL character 001 1 0x01 SOH CTRL-A Header start 002 2 0x02 STX CTRL-B Text start 003 3 0x03 ETX CTRL-C Text end 004 4 0x04 EOT CTRL-D End of transmission 005 5 0x05 ENQ CTRL-E Enquiry 006 ...

E–2 Selection of ITU-T standards X.1-X.15 Services and features. X.1 International classes for users in public data networks. X.15 Definitions regarding public data networks. X.20-X.32 Interfaces. X.25 DTE/DCE interface for terminal equipment used in public networks working in packet mode. X.31 Supp...

Index-1 INDEX &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 8-10 &Tn 8-5 , 8-6 &Vn 7-1 &Wn 7-1 &Xn 8-5 &Yn 8-13 *Bn 8-14 *Cn 8-6 *Dn 8-13 *En 8-10 *Fn 8-16 *Gn 8-15 *HS 13-1 *In...