Raymar Alliance V.34M Instruction Manual Download

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0049-2702-XXX Alliance Series Modems – USER MANUAL

08/05/2010

Rev. A

Alliance Series Modems

Instruction Manual

Alliance V.34M

Alliance V.34

Alliance V.32/19.2M

Alliance V.32/19.2

Alliance V.32/14.4M

Alliance V.32/14.4

Alliance V.32M

Alliance V.32

Summary of Contents for Alliance V.34M

Page 1: ...Series Modems USER MANUAL 08 05 2010 Rev A Alliance Series Modems Instruction Manual Alliance V 34M Alliance V 34 Alliance V 32 19 2M Alliance V 32 19 2 Alliance V 32 14 4M Alliance V 32 14 4 Allianc...

Page 2: ...0049 2702 XXX Alliance Series Modems USER MANUAL 08 05 2010 Rev A Page i Raymar Information Technology Inc 7325 Roseville Road Sacramento CA 95842 800 695 1951 Fax 916 783 1952...

Page 3: ...perly in all environments and applications and makes no warranty and representation either implied or expressed with respect to the quality performance merchantability or fitness for a particular purp...

Page 4: ...LATION MODE Page 108 5 V 25bis AUTODIALER Page 135 6 DIAGNOSTICS Page 141 7 APPENDIX A TECHNICAL DATA Page 157 8 APPENDIX B QUICK SETUP CONFIGURATION Page 162 9 APPENDIX C QUICK CHANGE CONFIGURATION S...

Page 5: ...ndicates that the modem is network manageable it can be managed using Raymar Telenetics network management software Other differences are explained later in this manual For simplicity all models are r...

Page 6: ...l equipment usually a computer use a TIA EIA RS 232 interface cable not supplied Connections Figure 1 1 shows how the modem is connected to the computer or terminal power phone lines and handset optio...

Page 7: ...on requires an 8 pin connector use the alternate leased line connector shown in Figure 1 1 instead of the 6 pin LEASED LINE connector To use the alternate connector you will need to provide your own c...

Page 8: ...section explains how to use the liquid crystal display LCD and pushbuttons on the modem s front panel Figure 1 2 You will need to use the LCD and pushbuttons to select a Quick Setup configuration as e...

Page 9: ...nly one screen Additional menu screens where present show additional option selections Numbered Pushbuttons Pushbuttons 1 2 and 3 correspond to segments 1 2 and 3 of the LCD screen These segments left...

Page 10: ...he bottom line of the LCD display with option settings shown on the top line usually to the right On most DEC INC screens you can cycle through the available option settings by pressing pushbutton 1 D...

Page 11: ...ity handshake S appears in same position as D S and D may flash alternately TR Data Terminal Ready MR Data Set Ready RS Request to Send CS Clear to Send TD Transmit Data 28 8 19 2 14 4 9600 4800 etc T...

Page 12: ...lect a Quick Setup To select activate a Quick Setup configuration follow the steps below While doing so it may be helpful to refer to the LCD flow chart in the back of this manual 1 Press the ENT ente...

Page 13: ...wice As you do this you will see SETUP screen 1 then after you press the ENT button a second time the modem will reset It is at this point that the selected Quick Setup actually takes effect The modem...

Page 14: ...ARACTER ORIENTED Same as Quick Setup 2 except for data protocol Use Quick Setup 3 if the DTE is synchronous character oriented bisynchronous 2 WIRE DIAL V 25bis MODE SYNCHRONOUS BIT ORIENTED Same as Q...

Page 15: ...gures the ALX for V 33 operation 2 WIRE DIAL BELL 208 OPERATION This Quick Setup configures the ALX for 2 wire dial operation compatible with Bell standard 208B 2 WIRE DIAL V 3x 208 AUTO DETECT MODE T...

Page 16: ...2 V 32M V 32 14 4 V 32 14 4M V 32 19 2 V 32 19 2M V 34 V 34M Hayes 01 V 25bis 02 04 Dumb 05 Leased 06 09 Y Y V 33 10 N Y Bell 208 11 12 N Y V 29 13 15 N Opt V 27 16 N Opt Y Yes supported N No not supp...

Page 17: ...he ALX will ignore them A carriage return CR or period is required at the end of each command line On most keyboards the carriage return CR key is labeled Enter or Return In response to the command li...

Page 18: ...d then waits for an answer tone from a distant modem If no carrier is detected within a given time 45 seconds by default the modem automatically releases the line and sends a CFI NT result code When a...

Page 19: ...ration leased line operation is restricted to data rates of 4800 bps or higher Lines can be conditioned or unconditioned Leased line modes default to synchronous data type but may be changed to asynch...

Page 20: ...of Bell 208 Operation Two Bell 208 Quick Setups are available as shown in Table 1 1 One configures the ALX for Bell 208 operation exclusively the other configures the ALX for V 3x 208 auto detect mode...

Page 21: ...e leased line V 29 operation The modem must be configured for use with a 4 wire line If you have selected the 4 Wire Leased Line V 29 Quick Setup the line type will be set automatically to the correct...

Page 22: ...p on both the local and remote modem 2 One modem must be set to originate mode and the other to answer mode To make this selection use the ANS ORG DEFAULT screen on the front panel LCD 3 Configure the...

Page 23: ...remote modems come on line they automatically synchronize to the incoming carrier and train on the data stream from the master modem Slave to master transmission is always switched carrier operation u...

Page 24: ...e ON received from DTE or DTR from EIA option set to TRUE if you want to use the modem s autodial or auto answer features If DTR is ON the TR indicator will be present on the TIA EIA status screen All...

Page 25: ...r experienced users Summary Setup is explained in Appendix C SELECTING OPTIONS FROM THE FRONT PANEL This section explains how to select change option settings using the front panel LCD It applies to a...

Page 26: ...configuration with undesirable results To prevent this press the ENT pushbutton to exit the SETUP menu prior to issuing any AT or V 25bis commands Example of How to Select an Option The example that f...

Page 27: ...ed although the new selection will not become active until you exit the SETUP menu To return to the first screen of the MAIN MENU press the ENT button several times How to Return to the TIA EIA Status...

Page 28: ...options available from the ALX front panel The options are presented in the order in which they appear in the LCD chart in the back of this manual For each option all possible choices available selec...

Page 29: ...that the total modem configuration is suitable for the selected operating mode The Communication Standard option is not present on the ALX V 32 and V 32M These two models use V 32bis modulation or au...

Page 30: ...ble for 4 wire leased line synchronous operation only The available data rates are 14 4 and 12 0 Kbps Either of these rates may be set as the maximum or minimum by using the Speed Limit MAX DCE RATE a...

Page 31: ...option to select 9600 7200 or 4800 bps only as the minimum and or maximum data rate DCE RATE In V 29 mode the ALX does not support automatic rate adjustment fallback or error correction Effect on Spee...

Page 32: ...ection ENABLE If channel probing is enabled the modem will use periodic signals to examine the characteristics of the channel before making a connection and adjust its symbol rate carrier frequency an...

Page 33: ...s V 25bis dumb leased line modes V 34 operation only Three symbol rate options are available through the OPTIONAL SYMBOL screen These options allow you to specify whether or not optional symbol rates...

Page 34: ...ates for amplitude distortion The pre emphasis filter option determines which type of pre emphasis filter will be used by the remote modem transmitter during V 34 operation 0 through 10 These selectio...

Page 35: ...always on OFF Shaping is forced off always off Nonlinear Encoding NONLIN ENCOD Hayes V 25bis dumb leased line modes V 34 operation only Nonlinear encoding is a method for reducing signal distortion NE...

Page 36: ...electing SPEED from SETUP screen 1 allows you to set a minimum and maximum data rate For V 34 operation ALX V 34 and ALX V 34M only you can also use this option to set a minimum and maximum symbol rat...

Page 37: ...eed Limit screens Use pushbutton 1 on the front panel to decrease DEC a displayed value use pushbutton 3 to increase INC a value Then use pushbutton 2 to select the displayed value Speed Limit Screens...

Page 38: ...nt TX DCE and RX DCE rates are effective only if the Asymmetric Data Rates option is enabled If this option is disabled TX and RX rates are both determined by the TX DCE limits The RX DCE setting s is...

Page 39: ...n through an automatic repeat transmission request algorithm Both types of error correction enable the ALX to detect data transmission errors and automatically request retransmission of adversely affe...

Page 40: ...ased line modes except V 33 and V 29 The V 42 Mode settings described below apply to the type of error correction selected via the V42 SELECTION screen For example if LAPM ONLY has been selected as th...

Page 41: ...the channel NON DESTRUCTIVE EXPEDITED NDT EXP The break packet or signal is passed through immediately but data in the buffer is not deleted NON DESTRUCTIVE NON EXPEDITED NDT NEXP The break packet or...

Page 42: ...y select a dictionary size of 2K 4K 8K or 16K Buffer Mode Speed Conversion Hayes V 25bis dumb leased line modes except V 33 and V 29 This option enables or disables speed conversion for asynchronous o...

Page 43: ...ntrol can be set independently for the terminal to the modem DTE DCE and for the modem to the terminal DCE DTE The flow control options include DTE DCE DCE DTE and Pass through Flow Control Two additi...

Page 44: ...he communication channel RTS RTS on off The Request to Send signal controls data flow from the modem to the DTE RTS flow control is also called hardware physical or out band flow control This selectio...

Page 45: ...ontrol characters are passed to the remote end of the communication connection after the modem acts upon them DISABLE Flow control characters are not passed ADDRESS ASSIGNMENT OPTION Address All modes...

Page 46: ...s operation select a V 25bis data protocol V25 Async V25 Syn_c or V25 Syn_b that is appropriate for the DTE the ALX is connected to A V 25bis Quick Setup is recommended For detailed V 25bis informatio...

Page 47: ...32 14 4 and V 32 14 4M 14 4 and 12 0 Kbps 9600 7200 4800 2400 1200 and 600 bps ALX V 32 19 2 and V 32 19 2M 19 2 16 8 14 4 and 12 0 Kbps 9600 7200 4800 2400 1200 and 600 bps ALX V 34 and V 34M 28 8 26...

Page 48: ...on code During data transfer the receiving modem converts parity to the parity of the remote DTE DISCONNECT OPTIONS When the modem is operating in V 25bis or dumb mode it is necessary to disconnect th...

Page 49: ...termined by the value of S register S10 A value of 255 in register S10 disables Carrier Disconnect and Line Current Disconnect Line Current Disconnect V 25bis dumb modes If Line Current Disconnect is...

Page 50: ...LX will ignore test initiation signals from a remote modem Note that there are two REMOTE TEST screens One is for the option just described the other is used for selecting remote digital loopback test...

Page 51: ...p and then make a selection from the CTS to EIA screen the selection from the CTS to EIA screen will cancel the Summary Setup CTS ON selection CD to EIA Hayes V 25bis dumb leased line modes except V 3...

Page 52: ...oltage results in normal operation Disabling this option keeps the modem from responding to pin 21 Test Mode TM to EIA All modes This option controls pin 25 the test mode TM indicator on the RS 232 in...

Page 53: ...or leased lines the transmit level can be set between 0 and 15 dBm in 1 dBm steps The standard setting is 0 dBm Dialup Applications The transmit level for dial lines can be set as either programmable...

Page 54: ...at speeds of 7200 bps and above but at 9600 bps or higher may be negotiated off by a modem that is not equipped with a trellis coder The trellis code option allows the user to enable or disable the t...

Page 55: ...he receiver requires it ENABLE The modem can request a retrain sequence DISABLE The modem cannot request a retrain sequence Answer Originate Default All leased line modes except V 33 also manual origi...

Page 56: ...hat do not affect the modem configuration such as AUTO DIAL and test modes will function SPEAKER Two speaker options are available Speaker Control and Speaker Volume Speaker Control All modes OFF The...

Page 57: ...13 signals from the remote modem TX AND RX Status of RTS will be sent to remote modem and CD is controlled by V 13 signals from the remote modem To select one of the four V 13 options press pushbutton...

Page 58: ...RT The training length will be short as specified by ITU T Recommendation V 27bis TER This setting selects V 27ter training The first train is long to establish the connection and subsequent ones are...

Page 59: ...ON The only available delay choices for 208A B operation are 50 and 150 ms If 0 or 15 ms is selected the actual delay in 208A B mode will be 50 ms V 29 V 27 and V 26 MODES For RTS CTS delay times for...

Page 60: ...changed through the Summary Setup screen For most applications it is not necessary to change these options they are intended primarily for specialized applications For an explanation of how to change...

Page 61: ...or CD and DSR Delay enabled and the other is not the delay will be applied only for the modem configured for the delay If the V 13 Operation option is set for RX only the modem will ignore the CD and...

Page 62: ...d hold data in its buffer until it receives a DC1 resume transmission control character If Link Flow Control is enabled with DTE DCE flow control set to RTS and DCE DTE flow control set to CTS on both...

Page 63: ...ayes mode X command If desired the Alternate V 42 MNP CONNECT Codes option may be used to display additional information with the CONNECT result code as follows Alternate CONNECT Code Meaning CONNECT...

Page 64: ...n Chapter 3 the modems use an auxiliary channel If desired this channel may be disabled Phase Reversals in Answer Tone All modes When enabled the Phase Reversals in Answer Tone option signals the tele...

Page 65: ...hase Detection 208 V 3x 208 modes NORMAL Conditions the modem s 208 receiver for normal modulation detection COMPENSATED Conditions the 208 receiver for compensated modulation detection for improved p...

Page 66: ...top sending answer tone and connect in Bell 103 mode without the usual multimode handshake When this option is disabled the ALX will handshake normally and will therefore take longer to complete a Bel...

Page 67: ...dden if you subsequently enable auto detect mode using the Standard option or V 3x 208 Quick Setup V 27bis 2400 bps Alternatives Not applicable to any Quick Setup mode This option is for V 27bis lease...

Page 68: ...ion is useful for V 26 operation only When enabled the V 26 Scrambler option provides a V 26 scrambler in the data path Miscellaneous Options Operating Mode Fallback is explained on page 73 The Operat...

Page 69: ...ronous only dumb modes If speed conversion is not desired enable Speed Matching When Speed Matching is enabled the DTE interface rate follows the rate at which the modem connected i e DTE rate DCE rat...

Page 70: ...ing T1 TIMER If the T1 timer setting is selected the ALX will attempt to handshake with a calling V 32 V 32bis modem for the time specified by the T1 Timer option V 32bis ANNEX A If the V 32bis Annex...

Page 71: ...ns should not be set to RTS on off ON The state of RTS input TIA EIA pin 4 will be signaled to the remote modem s CD output and the CD pin 8 on the local modem will follow the state of the remote mode...

Page 72: ...t V 25bis mode In V 25bis mode the originate modem sends a CFI AB result code when a call is aborted because the user has selected HANGUP from the front panel or because of DTR loss If the CFI AB Resp...

Page 73: ...f the modem are discussed in Chapter 6 Instructions for using the pushbutton controls and LCD are included in Chapter 2 QUICK RESET For a quick rest of the ALX modem use the front panel LCD to select...

Page 74: ...age cell number or you may change edit a previously stored number A symbol next to a cell number indicates that a number is stored in the cell 3 Select PROG program from the PHONE CELL screen The LCD...

Page 75: ...0 cells with 40 characters each If the available memory becomes full you will get an ERROR message and any entry stored in the phone cell where you tried to store a number will be deleted A possible s...

Page 76: ...rent LINE OCCUPIED The data line is already in use DIAL NOT ALLOWED Modem is configured for leased line operation Note The phone number stored in the phone cell identified in the upper right corner of...

Page 77: ...V 32terbo V 32bis or V 32 modulation the ALX modem supports two fallback alternatives V 22bis Bell 212A Bell 103 fallback operation the default setting and V 22bis V 22 V 21 V 23 fallback operation Fo...

Page 78: ...ng to 1 This is the only way the Operating Mode Fallback setting can be changed Changing the Operating Mode Fallback setting to 1 has the following effects The modem will be configured for V 22bis 240...

Page 79: ...oprietary operation When Speed Fallback is enabled the default setting the ALX modem will automatically select the highest possible connect rate data rate depending on the signal quality during handsh...

Page 80: ...answer operation configure the remote modem for automatic or manual answer Use the dumb mode Bell 208 or V 3x 208 Quick Setup to configure the modem The dumb mode Quick Setup defaults to asynchronous...

Page 81: ...ait until he or she hears an answer tone and then switch to data mode select DATA When both modems are in data mode data communication begins The LCD displays the status of the connection Terminating...

Page 82: ...point or multidrop applications For configuration details for these applications see V 13 Operation in Chapter 2 The ALX normally operates in full duplex however some applications such as certain netw...

Page 83: ...age 8 to select Quick Setup 13 4 WLL V 29 4 wire leased line V 29 mode 2 Use the front panel LCD to change the Communication Standard option to V 26 3 Use the LCD to change the Carrier Type option to...

Page 84: ...lication so it will automatically redial to restore a broken connection if the modem goes on hook In this way the Dial Line Auto Recovery feature emulates the reliability of a leased line connection S...

Page 85: ...one number for auto recovery is stored To disable Dial Line Auto Recovery select RESET from MAIN MENU screen 3 Recovery Procedure If Dial Line Auto Recovery is enabled and the modem goes on hook it wi...

Page 86: ...TO DIAL screen or change the phone cell currently selected for auto recovery and front panel autodialing see page 71 Auto answer must be enabled on the answer modem Autodial Backup The ALX will automa...

Page 87: ...options allow you to specify the criteria the ALX will use in determining when to enter and exit the Leased Line Auto Recovery mode Leased Line Auto Recovery Select SELECT This option determines the...

Page 88: ...ble based on the criteria selected for return from Auto Recovery The ALX can be set to test every 10 20 40 or 60 minutes Note The Test option setting must be the same on both units In asynchronous mod...

Page 89: ...MPP is available on all ALX models in Hayes mode only APP and MPP may be programmed to include or not include security callback Automatic Password Protection APP APP which uses the ALX security hands...

Page 90: ...se trellis coding After a connection has been established using the security handshake and automatic password and callback phone number if used a flashing S will be displayed in the top left corner of...

Page 91: ...em s memory for APP or MPP APP with callback will not function if the master password is removed Use the Hayes AT Z command to store the user password and callback phone number in the answer modem s m...

Page 92: ...for APP with callback Valid password characters are A through Z upper case or lower case 0 through 9 and the following symbols Spaces function as valid password characters therefore a password that i...

Page 93: ...RAPE The callback number phone number of the originating modem in this example is 555 1212 with T used to specify tone dialing The user password is GRAPE When the user password is entered on the front...

Page 94: ...MNP or buffer mode The ALX can be configured for two types of MPP MPP without callback The ALX will pass a connection on to the DTE interface only after it receives a valid password MPP with callback...

Page 95: ...ands listed in Table 3 1 To implement a security command use the Hayes AT Z command to store the command in a specific phone cell The password commands are listed in Table 3 1 and explained in detail...

Page 96: ...the specified text string only in cell 0 Do not include spaces or dialing modifiers in the text string How to Use Password Commands To Establish or Change the Administrative Password An administrative...

Page 97: ...for MPP without callback operation For example the following command string programs phone cell 5 for MPP without callback AT Z5 PYELLOW The password is YELLOW After the modems connect the remote user...

Page 98: ...ot be informed that a password is required however a password will nonetheless be required if an MPP password has been implemented The only difference will be the absence of the PASSWORD query message...

Page 99: ...re equipped with an intelligent rack controller can control Another modem in the same rack or A remote modem connected to any modem in the rack For both types of remote control the controlling modem a...

Page 100: ...reen by selecting TEST These test options remote digital loopback and remote digital loopback self test are described in Chapter 6 Exiting from Remote Control Mode To exit from remote control mode pre...

Page 101: ...ntrol If you want to specify the modem by its address select ADDR C address control on the bottom line of REMOTE screen 2 Note Each modem must have a unique address If you want to specify the modem by...

Page 102: ...ade When the connection is made all characters on the LCD of the controlling modem will be in lowercase instead of capitals this indicates that the screens displayed are for the controlled modem Butto...

Page 103: ...from the DTE to the ALX diagnostic port Pin assignments for the diagnostic port are listed in Appendix D Enter a command to switch the modem s DB 25 DTE connector to function as a diagnostic port For...

Page 104: ...ever if you add an X to the JMP command JMPX the diagnostic port data rate selected via the P command will remain effective until the modem is powered down or reset Method 3 Modem in a Rack Enclosure...

Page 105: ...RESET command because RESET does not break the control link Table 3 2 Control Commands Command Function CONNECT g u Connect to diagnostic port of modem at group address g unit address u An address mus...

Page 106: ...n be entered in upper or lower case Responses to Control Commands In response to the control commands Table 3 2 the ALX may display the responses listed in Table 3 3 on the DTE monitor Table 3 3 Respo...

Page 107: ...ed Display of Selected Options Flashing Characters On the ALX front panel LCD a selected option choice flashes on and off so it can be easily identified as the current selection When an LCD display is...

Page 108: ...ADING Raymar Telenetics continually updates its modem software to provide new features and the highest possible level of performance By using the ALX modem s software downloading capability you can up...

Page 109: ...tware program to send the modem software file s from the DTE to the ALX A DTE speed of 115 2 Kbps or higher is recommended At lower DTE speeds downloading will be very slow Downloading Procedure You c...

Page 110: ...command the download process is automatic The ALX checks the file for compatibility with the modem s hardware It also makes sure the file type controller pump or both corresponds to the command you ha...

Page 111: ...f for any reason downloading cannot proceed the DTE will display a Download aborted message that will include the reason for the failure and the modem will resume normal operation If you encounter thi...

Page 112: ...es emulation mode is enabled the ALX modem emulates a Hayes autodialer and functions much like a Hayes modem Commands are issued from the computer keyboard or other DTE and the ALX modem is compatible...

Page 113: ...ommand or after the dial command if it is terminated with a semicolon for example AT M2 V1 D 555 1212 S2 1O This instructs the ALX to Keep speaker on M2 send word result codes V1 dial D 555 1212 end d...

Page 114: ...ss Result code options are selected using the V and X commands Result codes may be words V1 command or digits V0 Result codes 0 4 comprise the basic result code set OK CONNECT RING NO CARRIER and ERRO...

Page 115: ...or Hayes commands that control modem options additional information on options may be found in Chapter 2 Commands are listed in alphabetical order in this section and in Table 4 1 For most commands th...

Page 116: ...n where the number to be dialed will be stored Up to 50 numbers may be stored in phone cells 0 49 S c may be placed anywhere in the dial string for example AT D2345S 27 will dial 2345 and the number s...

Page 117: ...numbers will be dialed in a loop until a connection is established or until 10 calls have been attempted The L modifier can be used 9 times in succession meaning that up to 10 linked calls can be att...

Page 118: ...e Z command recalls a profile of the modem configuration settings previously saved using the W command resets the modem and makes the recalled profile profile 0 or 1 active A user profile is designate...

Page 119: ...V View active configuration etc This command displays the active modem configuration user profiles stored using the W command and phone numbers stored using the Z command When V0 is invoked the DTE di...

Page 120: ...S command displays the active V 42 error correction configuration stored V 42 profiles and certain other data not displayed by the V command S REGISTERS The ALX modem includes S registers that can be...

Page 121: ...ter AT the modem displays the current value in the S7 register Similarly if you enter AT 8 the modem will change the value in the S7 register to 8 S Register Functions This section describes the funct...

Page 122: ...will wait for dial tone if the W modifier is included in a dial string or the wait time for silence if the modifier is used Note For V 32bis connections register S7 should not be set to less than 20...

Page 123: ...initiates a call using asynchronous methods but once the connection is fully established automatically switches to synchronous operation A delay occurs after a connection has been made before the mode...

Page 124: ...values that may be stored have the same definitions i e they correspond to the same data rates as listed in the table below However the values in each register are applied differently as indicated in...

Page 125: ...transmit level for leased line operation Enter a value of 0 to 15 to select a transmit level of 0 to 15 dBm Any value higher than 15 will result in a transmit level of 15 dBm To select the transmit l...

Page 126: ...ns in Hayes mode are to use the AT commands listed in Table 4 1 or the ALX front panel If an option is changed using an AT command the change will be effective for Hayes mode only unless option change...

Page 127: ...nt panel including Summary Setup the changes for options for which there are associated Hayes commands will be saved to the default profile when you exit the SETUP menu If you change the active profil...

Page 128: ...be required to choose the interface mode fax class to be used by the software and the ALX You must select a fax class 1 or 2 that is supported by both the software program and the modem If the softwa...

Page 129: ...is command D DIAL ORIGINATE MODE FOR DIALING Instructs modem to dial the number that follows the D command and attempt to go on line For example AT D3331234 tells the ALX to dial the number 333 1234 D...

Page 130: ...olume Medium volume High volume M0 M1 M2 M3 SPEAKER CONTROL Speaker always off Speaker on until carrier is detected Speaker always on Speaker off during dialing otherwise on until carrier is detected...

Page 131: ...space disconnect Enables RX space connect and TX space disconnect Enables TX space disconnect disables RX space disconnect Enables RX space disconnect disables TX space disconnect Z0 Z1 RECALL STORED...

Page 132: ...ally dial the phone numbers stored in the phone cell displayed in the front panel AUTO DIAL screen See also S25 in the S Registers section of this chapter R0 R1 R2 R3 RTS AND CTS OPTIONS CTS follows R...

Page 133: ...2 TRANSMITTER CLOCKING Selects internal clocking Selects external clocking Selects receive mode slaved clocking Y0 Y1 DEFAULT USER PROFILE Stored user profile 0 will be recalled on powerup Stored user...

Page 134: ...correction Enables mandatory mode for error correction Enables V 42 error correction only Enables automatic mode for error correction P0 P1 P2 V 42 PROTOCOL 1 Selects LAPM protocol only Selects MNP p...

Page 135: ...o V 25bis mode asynchronous Switches to V 25bis mode sync bit oriented HDLC Switches to V 25bis mode synchronous character oriented L0 L1 TRANSMIT LEVEL DIAL Selects permissive transmit level Selects...

Page 136: ...oard R Configures modem for Dial Line Auto Recovery See Dial Line Auto Recovery section in Chapter 3 comma or Pause for 2 seconds or other period specified in register S8 semicolon Return to command s...

Page 137: ...ng modifier 21 CONNECT 16 8 Carrier detected at 16 8 Kbps 22 CONNECT 19 2 Carrier detected at 19 2 Kbps 72 DIALING ALX is dialing 73 CONNECT 21 6 Carrier detected at 21 6 Kbps 74 CONNECT 24 0 Carrier...

Page 138: ...2 S7 Wait time for carrier or dial tone 1 255 sec 30 S8 Pause time for comma 0 255 sec 2 S9 Carrier detect response time 1 255 1 10 sec 6 S10 Delay time between loss of carrier and hang up 1 255 1 10...

Page 139: ...essage format ENABLING THE V 25bis AUTODIALER The V 25bis autodialer can be enabled in either of two ways by using the Quick Setup feature or by selecting one of the Dialer Mode options Quick Setup Th...

Page 140: ...ix C to change the parameter for V25bis DTR dialing to 1 Do not select DTR dialing via the front panel DIALER screen this will not enable DTR dialing for V25bis mode V 25bis DTR dialing will function...

Page 141: ...n the event of a reset the modem will answer if auto answer is enabled from the front panel PRN Program normal store phone number Syntax PRN 17 5551212 The PRN command is used to store a telephone num...

Page 142: ...ler Commands Command Functions CIC Connect next incoming call CRN n Call request dial number n entered on DTE keyboard CRS c Call request dial number stored in specified phone cell c DIC Disregard inc...

Page 143: ...stored number ORG CFI NT Call failure no answer tone Remote unit answered but did not issue answer tone ORG CFI RT Call failure ring tone Ringback detected but no answer ORG 1 Column 3 indicates whic...

Page 144: ...he 8 bit data units are formed by a 7 bit IA5 character and an even parity bit Synchronous Character Oriented SYN SYN STX MESSAGE ETX This format uses consecutive 8 bit data units formed by a 7 bit IA...

Page 145: ...d be to specifically isolate the defective component in your communications system This typically involves three steps 1 Assess the problem Carefully consider each of the following questions When did...

Page 146: ...identify the symptoms and conduct a physical inspection of the sites in question you can conduct diagnostic monitoring and testing to further isolate the problem The ALX modem has diagnostic capabili...

Page 147: ...T commands Prerequisite Steps For valid results from any of the digital loopback tests DLB RDL and RDLST or external analog loopback tests ALBX and ALXST error correction must be disabled before diagn...

Page 148: ...lly made during the test Figure 6 1 Analog loopback test Before initiating the test make sure the modem is idle that the data rate is the same as that of the DTE and that the DTR circuit is on If TR i...

Page 149: ...Pin 18 Control The ALB test can also be activated by positive voltage on TIA EIA pin 18 if the ALB DTE Ctrl ed option is enabled Analog Loopback Self Test ALBST In the analog loopback self test the m...

Page 150: ...eiver therefore no DTE or external BERT is necessary This test differs from the ALBST in that errors are injected into the data flow every few seconds The data flow is the same as that shown in Figure...

Page 151: ...that the leased line circuit is complete The test is not meant to assess the suitability of the leased line To run this test follow these steps Make sure the local modem is not in communication with t...

Page 152: ...sent and received by an internal 511 bit pattern generator and receiver therefore no DTE or external BERT is necessary As shown in Figure 6 4 the test circuit includes the leased lines the external l...

Page 153: ...to the ANALOG ST EXT screen and then select OFF Digital Loopback Test DLB Digital loopback testing determines the operational performance of the local modem the remote modem and the telephone line as...

Page 154: ...peration of the modems and phone lines by transmitting test data and comparing it at the remote site with the received test data Front Panel Control From screen 2 of the LCD MAIN MENU select TEST Go t...

Page 155: ...nnot be initiated unless the Remote Test option is enabled on the remote modem This option also REMOTE TEST on the LCD is accessed via SETUP screen 4 Remote Digital Loopback RDL Test The RDL test Figu...

Page 156: ...test press the ENT pushbutton to return to the REMOT DIGIT LOOP screen and then select OFF Pin 21 Control The RDL test can also be activated by positive voltage on TIA EIA pin 21 if the RDL DTE Ctrl e...

Page 157: ...s detecting errors If numerous errors are detected steps should be taken to try to identify their source STATUS SCREEN Numerous status screens are available for monitoring modem activity TIA EIA Statu...

Page 158: ...t possible signal quality is indicated when the bar graph extends all the way to the right edge of the LCD Line Levels Screen This screen shows the selected configured transmit signal level TX and the...

Page 159: ...cally when a dial call disconnects but in leased line modes including dial backup auto recovery they reset only if you press pushbutton 2 with the packet screen displayed or reset the modem by selecti...

Page 160: ...TIA EIA status screen so you can see the result of the rate change request i e the current data rate which is displayed in the lower left corner of the TIA EIA status screen However if the local ALX h...

Page 161: ...tures include Hayes compatible or V 25bis automatic call origination V 42 V 42bis and MNP error correction automatic dial backup for leased line applications internal storage of up to 50 telephone num...

Page 162: ...0 bps 2 9600 and 4800 bps 9600 7200 and 4800 bps 4 9600 7200 bps 4 4800 and 2400 bps 4 4800 2400 bps 4 2400 and 1200 bps 4 2400 bps 1200 and 600 bps 300 bps 14 4 and 12 0 Kbps 9600 and 7200 bps 4 4800...

Page 163: ...32 QAM at 14 4 12 0 Kbps 9600 7200 and 4800 bps full duplex over 2 wire line Trellis coded at 7200 bps and higher coded or non coded at 9600 bps V 29 QAM at 9600 7200 and 4800 bps V 27 8 phase DPSK a...

Page 164: ...electable Dial line 26 33 or 43 dBm selectable RTS CTS delays resulting from training Mode V 33 V 29 V 29 V 27 V 27 V 27 V 27 V 26 V 26 Rate bps All rates All rates All rates 4800 4800 2400 2400 2400...

Page 165: ...cific model Rack mount Compatible with 117 or 220 VAC rack enclosure depends on specific model Power consumption 8 Watts Environment Ambient temp 0 to 50 C 32 to 122 F Storage temp 20 to 70 C 4 to 158...

Page 166: ...which they appear on the LCD flow chart Instructions for selecting Quick Setups are included in Chapter 1 Note Some options do not apply to all Quick Setup modes that is in some Quick Setup modes som...

Page 167: ...e Enable ASYMM DATA RATES Enable Enable Enable Enable Enable Enable TRELLIS CODING TYPE NEG NEG NEG NEG NEG NEG PRE EMPH FILTER NEG NEG NEG NEG NEG NEG MANDAT CARRIER Low Low Low Low Low Low PRECODING...

Page 168: ...K MAX TX SYM 3429 3429 3429 3429 3429 3429 MIN TX SYM 2400 2400 2400 2400 2400 2400 MAX RX SYM 3429 3429 3429 3429 3429 3429 MIN RX SYM 2400 2400 2400 2400 2400 2400 Speed Limit Option ALX V 32 V 32M...

Page 169: ...isable Miscellaneous ADDRESS 6 999 999 999 999 999 999 999 999 999 999 999 999 DIALER MODE Hayes V25bis Asyn 1 OFF OFF OFF OFF AUTO ANSWER Enable Enable Enable Disable Disable Disable Data format opti...

Page 170: ...al Normal Normal True True True ALB DTE CTRL ED Disable Disable Disable Disable Disable Disable RDL DTE CTRL ED Disable Disable Disable Disable Disable Disable TM TO EIA Normal Normal True True True T...

Page 171: ...L Medium Medium Medium Medium Medium Medium GUARD TONES OFF OFF OFF OFF OFF OFF V 8 PROC Enable Enable Enable Enable Enable Enable V 13 OPERATION OFF OFF OFF OFF OFF OFF TRAINING LENGTH Long Long Long...

Page 172: ...Enable Enable Enable ASYMM SYMBOL RATES Disable Disable Disable Disable Disable OPTIONAL SYMBOL RATES all 3 rates Enable Enable Enable Enable Enable ASYMM DATA RATES Enable Enable Enable Enable Enabl...

Page 173: ...0 2400 MAX RX DCE 28 8 K 28 8 K 28 8 K 28 8 K 28 8 K MIN RX DCE 300 300 300 2400 2400 MAX TX SYM 3429 3429 3429 3429 3429 MIN TX SYM 2400 2400 2400 2400 2400 MAX RX SYM 3429 3429 3429 3429 3429 MIN RX...

Page 174: ...Disable Disable Disable Disable Miscellaneous ADDRESS 2 999 999 999 999 999 999 999 999 999 999 DIALER MODE OFF OFF OFF OFF OFF AUTO ANSWER Enable Enable Disable Disable Enable Data format options DA...

Page 175: ...EIA Normal True True True Normal ALBT DTE CTRL ED Disable Disable Disable Disable Disable RDL DTE CTRL ED Disable Disable Disable Disable Disable TM TO EIA True True True True True Modem setup option...

Page 176: ...l CD Til CD Til CD SPKR VOL Medium Medium Medium Medium Medium GUARD TONES OFF OFF OFF OFF OFF V 8 PROC Enable Enable Enable Enable Enable V 13 OPERATION OFF OFF OFF OFF OFF TRAINING LENGTH Long Long...

Page 177: ...is very little guidance on the LCD screen to indicate which option is being changed The Quick Change configuration screens are the Summary Setup screen AT PROFILES screen and S REG screen These scree...

Page 178: ...stored phone numbers or Hayes mode autobaud settings Note Changes made through the Quick Change configuration screens modify the active modem configuration and are saved to memory when you exit the S...

Page 179: ...l scroll one character at a time Pushbutton 2 changes the flashing value i e the current option setting When you press pushbutton 2 the LCD cycles through the possible values settings The right arrow...

Page 180: ...s for each ALX model can only be set within the range shown in the table in Chapter 2 The default maximum rate MAX TX DCE RATE and MAX RX DCE for each model is the highest rate shown in the table in C...

Page 181: ...dems USER MANUAL 08 05 2010 Rev A Page 177 of 197 Options shown in bold type are accessible only via Summary Setup screens Options in normal type can also be accessed through additional individual LCD...

Page 182: ...0049 2702 XXX Alliance Series Modems USER MANUAL 08 05 2010 Rev A Page 178 of 197...

Page 183: ...0049 2702 XXX Alliance Series Modems USER MANUAL 08 05 2010 Rev A Page 179 of 197 NOTE ALX V 32 V 32 14 4 V 32 19 2 and V 34 only Default auxiliary channel setting 1...

Page 184: ...XXX Alliance Series Modems USER MANUAL 08 05 2010 Rev A Page 180 of 197 Note 2 Settings for Speed Limit screens are in sym s 0 2400 1 2743 2 2800 3 3000 4 3200 5 3429 Speed Limit Data rates See PRIMAR...

Page 185: ...0049 2702 XXX Alliance Series Modems USER MANUAL 08 05 2010 Rev A Page 181 of 197...

Page 186: ...The selected profile is used as the active configuration and is also designated as the default user profile Use pushbutton 3 to change the default configuration profile Press pushbutton 3 to toggle s...

Page 187: ...nction Doing so is likely to adversely affect the modem configuration How to Change S Register Values The S REG screen displays an S register number and the value currently stored in the displayed S r...

Page 188: ...L RJ 45 modular jack for connection to a dial line RX DIAL Ignore RX DIAL label RJ 45 modular jack for alternate leased line connection when an 8 pin connector is required LEASED LINE RJ 11 modular ja...

Page 189: ...0049 2702 XXX Alliance Series Modems USER MANUAL 08 05 2010 Rev A Page 185 of 197 Figure D 1 Connector pin assignments...

Page 190: ...8 Carrier detect CD CF 109 CD Modem 9 Testing voltage 10V P Modem 10 Testing voltage 10V P Modem 15 Transmit clock TC DB 114 Modem 17 Receive clock RC DD 115 Modem 18 Analog loopback ALB control 1 CN...

Page 191: ...8 05 2010 Rev A Page 187 of 197 RJ 45 to DB 25 Cable Adapters Three types of cable adapters are available to convert the RJ 45 pinout to a DB 25 pinout if necessary These adapters are illustrated in F...

Page 192: ...1 control to MI MIC control Strap the modem for use in a DC rack enclosure or Change the function of TIA EIA interface pin 25 If you need to reset a jumper switch refer to the following page to determ...

Page 193: ...ame and signal ground connected Frame and signal ground not connected JP2 JP3 JP4 Set to same position AC power DC power for Telco 48 VDC battery JP5 JP6 Set to same position A A1 control MI MIC contr...

Page 194: ...are identical to the software and circuitry in their stand alone counterparts which are described in the main body of this instruction manual Except for the absence of the plastic outer shell and inte...

Page 195: ...t indicate the operational status of the modem DIAG diagnostic port The DIAG indicator is on when the modem s diagnostic port is actively connected For example the DIAG indicator will be on when the m...

Page 196: ...ofile version supports special commands that make it possible to control the modem from a dumb terminal or computer DTE These commands are described in Chapter 3 See the section titled Diagnostic Port...

Page 197: ...rk Standardized jacks are used for these connections This equipment should not be used on party lines or lines that require coin payment Change or modifications to this device not expressly approved b...

Page 198: ...th one or more of the following measures Re orient the receiving antenna Relocate this device away from the radio or television receiver Plug this device into a different power outlet so that it and t...

Page 199: ...may give the telecommunications company cause to request the user to disconnect the equipment Users should ensure for their protection that the electrical ground connections of the power utility tele...

Page 200: ...HASE PRICE OF THE PRODUCT FOR ANY LOSS OF USE LOSS OF TIME INCONVENIENCE COMMERCIAL LOSS LOST PROFITS OR SAVINGS OR OTHER INCIDENTAL SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILIT...

Page 201: ...el number the serial number a description of the problem being encountered and the cause of the problem if known Please note that prior to authorizing a return a product support specialist may call to...

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