Black Box MD1640A - Manual

7 CHAPTER 1: Introduction and Description 1. Introduction and Description 1.1 Introduction Welcome to the world of data communications. You have acquired oneof the finest intelligent desktop data/fax modems available today, aSeries II Modem from Black Box. Your Series II Modem provides datacommunica...

8 SERIES II INTELLIGENT DATA/FAX MODEMS Chapter 2 - Installation and Connection Chapter 2 covers the procedure for connecting the Series II Modem toyour computer and to the phone line. Details are given, supported byillustrations on the Modem's back panel connections as a guide toinstall your Modem ...

9 CHAPTER 1: Introduction and Description Chapter 7 - Callback and Remote Configuration Chapter 7 documents instructions on how to operate the Series IIModem's Callback and Remote Configuration features; and the usage ofLOGIN Passwords, Set-Up Passwords and Remote Escape Characters asnetwork managem...

10 SERIES II INTELLIGENT DATA/FAX MODEMS 1.3 What is in Your Modem Package? Your Series II Modem is made up of many components. Make sure youhave them all before trying to operate your modem. Your packageshould include: • The Series II Modem itself • AC Power Transformer • (2) RJ-11 to RJ-11 telepho...

13 CHAPTER 1: Introduction and Description Mode of Operation Full duplex over both dial-up lines and2-wire or (336+ [MD1640A] only) 4-wireleased lines; automatic or manual dialing,automatic or manual answer; and (336+[MD1640A] only) automatic dial backup onseparate lines in leased line operation Int...

14 SERIES II INTELLIGENT DATA/FAX MODEMS Fax Carrier V.21CH2 (Half Duplex) Frequencies 1650Hz Mark, 1850Hz Space for TransmitOriginate1650Hz Mark, 1850Hz Space for TransmitAnswerV.27 ter 1800Hz Originate/Answer V.29 QAM 1700Hz Originate/AnswerV.17 TCM 1800Hz Originate/Answer Lease Line Restoral 336+...

15 CHAPTER 1: Introduction and Description Receiver Sensitivity -43 dBm under worst case conditions AGC Dynamic Range 43 dB Interface EIA RS-232C/ITU V.24 Connectors Both models: (1) DB25 female for RS232C, (1) RJ-11 female for phone hadset, (1)Power inlet; 336+ (MD1640A) model only: (1) RJ-11 femal...

16 SERIES II INTELLIGENT DATA/FAX MODEMS 1.7 Power Power is supplied through an AC power transformer terminated with astandard two-prong plug. The transformer supplies low voltage AC tothe modem, and plugs into any conventional 115 volt AC, 60 Hz, two-prong power outlet. The power transformer suppli...

17 CHAPTER 1: Introduction and Description 4) 28,800 bps (28.8). This LED behaves differently depending on your connection:• When the modem is connected at 33,600 bps , it blinks 5 times/sec.; • When the modem is connected at 31,200 bps , it blinks once/sec.; • When the modem is connected at 28,800 ...

18 SERIES II INTELLIGENT DATA/FAX MODEMS 13) FAX (FX). This LED is lit when the modem is connected in FAX mode. 14) 336+ (MD1640A) only: ERROR (ERR). When this LED is lit, either the leased line is down and the modem is in dial backup mode, or elsethe self-test has failed. 1.9 Controls on PC Board T...

19 CHAPTER 2: Installation and Connection 2. Installation and Connection 2.1 Safety Warnings 1. Never install telephone wiring during a lightning storm. 2. Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations. 3. Never touch uninsulated telephone ...

20 SERIES II INTELLIGENT DATA/FAX MODEMS 2.2 Installation The installation of the Series II Modem consists of making the physicalconnections necessary to render the modem functional with yourcomputer. This includes making the proper serial, phone line, andpower connections. Refer to Figure 2-1 below...

21 CHAPTER 2: Installation and Connection wall jack or the leased-line wall jack or terminal (refer to Figure 2-1 below). For the 336+ (MD1640A) model, run a cord from thePSTN jack to the dialup wall jack if you’re connecting to a dialupline; run a cord from the LEASE jack to the 2- or 4-wire leased...

22 SERIES II INTELLIGENT DATA/FAX MODEMS 2. Attach your Modem to your PC or terminal with an RS-232 (or V.24) cable. 3. Connect telephone set to phone jack (if desired). 4. Attach your Modem to the AC Power transformer and plug the AC connector into a live AC outlet. 5. Turn on power by flipping the...

23 CHAPTER 2: Installation and Connection Note: Appendix A lists some basic and specific troubleshootingactions to take if your Modem is not operational. 2.3 Is Your Series II Modem Ready for Use? As soon as you connected power to the modem, it performed adiagnostic self-test. The speed indicators f...

24 SERIES II INTELLIGENT DATA/FAX MODEMS 2.4 Operating Your Series II Modem You control your Series II Modem by issuing AT commands, setting S-Registers, and setting DIP-Switches. You can easily change the settingsof your DIP-Switches, as they are located on the right side of yourModem’s chassis. Ri...

25 CHAPTER 2: Installation and Connection 2.4.1 Simple Operations You can dial a number by using the ATD command and the phone number of the modem with which you wish to connect, e.g., ATD6127853500 . Your modem will dial the number, and hear a “scrambling” noise as the modem negotiates the kind of ...

26 SERIES II INTELLIGENT DATA/FAX MODEMS 3. Software Configuration 3.1 Introduction Since your communications software configuration is affected by the capabilities of your computer, this chapter begins with a discussion ofthe limitations of some serial ports and how to identify them. It then discus...

27 CHAPTER 3: Software Configuration Macintosh ® computers do not use UARTs. The Macintosh SE through IIfx models use a Zilog ® Z8530 chip called a Serial Communications Controller, or SCC, that has a maximum speed of 57,600 bps. Thisspeed can be compromised by other serial communications, including...

29 CHAPTER 3: Software Configuration 3.3 Configuring Your Software Communications software must be configured to work with your mo-dem, your computer, and the remote system it is calling. Fortunately,most communications programs make the process easy by providing adefault initialization string for y...

30 SERIES II INTELLIGENT DATA/FAX MODEMS 3.4 PC Initialization Strings We recommend the following initialization string for a Series II Modemconnected to a PC-compatible computer when sharing a line with a telephone: AT &F X4 S0=0 ^M This string resets the Modem to the factory default settings, ...

31 CHAPTER 3: Software Configuration This string selects the factory default parameters, then turns auto-answer off and stores that setting, along with all other current para-meters, in nonvolatile memory. The &F9 command causes the modem to load the values from nonvolatile memory the next time ...

32 SERIES II INTELLIGENT DATA/FAX MODEMS Chapter 3: Software Configuration You can store the initialization string in nonvolatile memory. With yourcommunications software open and connected to the modem’s COMport, type the initialization string in the terminal window, substituting acarriage return f...

33 CHAPTER1: Specifications User Guide for Series II Modems 3.6.2 Terminal Emulation If you are accessing the remote computer as if from an on-site terminal,the keyboard codes used by your computer may not match the onesused by the remote computer. To be compatible with the remote com-puter, your so...

34 SERIES II INTELLIGENT DATA/FAX MODEMS The command to disable compression is AT &E14 <CR> . If you have an older UART or if you use your modem mostly for downloading long,compressed files from BBSs, you may want to include the &E14 command in your initialization string as follows: AT...

35 CHAPTER 4: Manual Dial and Automatic Answer 4. Manual Dial and Automatic Answer 4.1 Introduction We’ll assume that yours is the very common application, where you areusing a Series II Modem to dial up a remote computer. The Series IIModem has been factory preset for originating a call to a compat...

36 SERIES II INTELLIGENT DATA/FAX MODEMS Entering AT automatically sets the modem’s speed to match the speed of the computer or terminal, and also sets the modem’s parity. The AT characters alert the modem that a command follows. The ATCommand can also be used to clear the command buffer, by simplyt...

37 CHAPTER 4: Manual Dial and Automatic Answer 4.3 Automatic Leased Line Restoral Operation (336+ Only) When the Series II Modem 336+ (MD1640A) is in Dial Backup mode, itperiodically checks the leased line to see if it's operational and tries torestore the leased line if possible. S-Register S18 det...

38 SERIES II INTELLIGENT DATA/FAX MODEMS After a preset period of time (determined by S-Register S18), themodem automatically tries to restore the leased line. The parameters used to determine if a leased line is down (so automaticdial back can occur), is based on the Series II Modem doing a “retrai...

39 CHAPTER 4: Manual Dial and Automatic Answer 4.6 Dial-Up Operation (336+ Only) When your Series II Modem 336+ (MD1640A) is used as a dial-upmodem (DIP-Switch #10 in the UP position), it can both originate andanswer calls. To originate calls, you use the automatic dialing capabilityof the Modem's C...

40 SERIES II INTELLIGENT DATA/FAX MODEMS Once you press the switch, the tone you hear should change to anotherpitch, or change into a rough-sounding scrambled noise. You thenreplace the telephone handset in its cradle, and your datacommunications begins. Note that the Series II Modem may call manual...

42 SERIES II INTELLIGENT DATA/FAX MODEMS When a call is dialed from the originating modem, the called modemresponds to the ringing by switching into Answer mode and by turningon its RI (Ring Indicator, RS-232C/V.24 Pin 22) signal as the rings aredetected. (The Modem-MAC does not use DTR.) Note that ...

43 CHAPTER 4: Manual Dial and Automatic Answer 4) Abort Timer. Answer Mode: When OH ( Off Hook ) comes on, the called modem starts a forty-five-second timer and waits for a carrier signal fromthe originating modem. If carrier is not detected within this period,the modem disconnects (hangs up) and is...

44 SERIES II INTELLIGENT DATA/FAX MODEMS 5. Command Mode 5.1 Introduction AT commands are the means by which you, and your communicationssoftware, are able to communicate with and configure your modem.They enable you to establish, read, and modify parameters in additionto dialing. The following prov...

45 CHAPTER 5: Command Mode 5.1.2 Functional Modes The Series II Modem can be in one of two functional states (see Figure 5-1 ). These are "Command mode" and "On-line mode" . (There is also an in- between state, "Wait-for-Carrier" , where the modem is out of Command mode but n...

46 SERIES II INTELLIGENT DATA/FAX MODEMS Figure 5-1. Functional Modes 5.2 Summary of AT Commands A wide variety of autodial operations and modem options can be con-trolled when the Series II Modem is in Command Mode. Remember,nearly all commands begin with AT . These commands are organized into seve...

47 CHAPTER 5: Command Mode ; Return to Command Mode After Dial Command R Reverse Mode of Operation ! Flash On Hook $ AT&T "Calling Card" Tones @ Quiet Answer MEMORIZE PHONENUMBERS D...N Store Phone Numbers NN Number Linking L List Numbers Stored in Memory STORE MODEM &F Load Factory ...

48 SERIES II INTELLIGENT DATA/FAX MODEMS CONTROL RS232C &C Carrier Detect Control INTERFACE &D Data Terminal Ready Control &R Clear To Send Control &S Data Set Ready Control &RF CTS/RTS Control &SF DSR/CD Control CONFIGURE &E0 Normal Mode ERROR &E1 Auto-Reliable Mode ...

49 CHAPTER 5: Command Mode $EB 336 (MD1641A) only: 10/11-Bit Asynchronous Format #P Parity Selection CONFIGURE DATA &E14 Data Compression Disabled COMPRESSION &E15 Data Compression Enabled CONFIGURE SPEED $BA0 Speed Conversion On CONVERSION $BA1 Speed Conversion Off $MB Set modem speed (e.g....

50 SERIES II INTELLIGENT DATA/FAX MODEMS READ AND Sr? Read Current S-Register Value ASSIGN Sr= Assign S-Register Value S-REGISTERVALUES REMOTE #CBN Passwords for Callback Phone #s CONFIGURATION #DB Callback Security Enable/Disable & CALLBACK #I Change LOGIN Password SECURITY #RCBNxx Erase Passwo...

51 CHAPTER 5: Command Mode The following tables define the result codes generated by the &Q command (refer to Appendix G for Result Code Summary). Table 5-1 &Q0 "Series II" Result Codes TERSE VERBOSE TERSE VERBOSE 0 OK 11* CONNECT 4800 1 CONNECT 12* CONNECT 9600 2 RING 13* CONNECT 14...

52 SERIES II INTELLIGENT DATA/FAX MODEMS 5.4 Dialing Commands 5.4.1 Dialing Action Commands Dial Command D The letter D in a command causes the Series II Modem to dial the telephone number immediately following it. For example, if you enter ATD5551212 and hit RETURN, the Modem dials the number 555-1...

53 CHAPTER 5: Command Mode This command would be used only if you had already reached a busynumber after executing a normal dial command. You simply enter A: (you need not enter AT, nor do you need to hit RETURN), and themodem will redial the number for you. If you again reach a busy signal,it re-di...

54 SERIES II INTELLIGENT DATA/FAX MODEMS Voice/Data Dialing $VD Another alternate method of causing the Series II Modem toautomatically dial is Voice/Data Dialing. With Voice/Data Dialing, themodem automatically dials the phone number stored in the N1 positionof memory whenever the Voice/Data switch...

55 CHAPTER 5: Command Mode Nearly all telephone systems in the U.S. are now compatible with tonedialing. Since that is the faster method, you will probably choose thetone method for your dialing. An example of combining pulse and tone dialing could involve a PBXsystem where 9 had to be pulse-dialed ...

56 SERIES II INTELLIGENT DATA/FAX MODEMS Wait for New Dial-Tone W A W inserted in the dialing command causes the Series II Modem to wait for another dial tone, and not resume dialing until another dialtone is detected. It is not necessary to enter a W at the beginning of the dialing command to wait ...

57 CHAPTER 5: Command Mode Flash On Hook ! Some switchboard systems react to a momentary On Hook. Anexclamation mark inserted in the command causes the modem to “flash” on hook for a half of a second, as if you had held the switch hook button on a telephone down for a half second. For example, to fl...

58 SERIES II INTELLIGENT DATA/FAX MODEMS for at least one ringback and 5 seconds of silence. If a busy signal isdetected, the Series II Modem hangs up and generates a BUSY result code. If it does not detect 5 seconds of silence, a NO ANSWER result code is generated after hanging up. If 5 seconds of ...

59 CHAPTER 5: Command Mode To link the number in N1 to the number N2, simply enter ATN1N2 and hit RETURN. Several numbers can be linked in the same command.For example, you could link N1 to N2 to N3 to N4 by entering ATN1N2N3N4 and RETURN or you could link N1 to N2 and back to N1 and then back to N2...

60 SERIES II INTELLIGENT DATA/FAX MODEMS 5.4.4 Configuration and Default Storage Commands Store Configuration & S-Register Parameters in Non-Volatile Memory &W The Series II Modem can store configuration parameters and S-Registervalues in its nonvolatile read/write Random Access Memory (RAM)...

61 CHAPTER 5: Command Mode Many datacomm program issue the &F command automatically—the &F9 command allows the user to select their own factory defaults. Note that the &F8/&F9 commands should be used with &W0 . Following is a summary of how the &F and Z reset commands interac...

62 SERIES II INTELLIGENT DATA/FAX MODEMS User Guide for Series II Modems The #V command gives the user the option of including V.32 terbo as part of the handshaking process in both Orignate and Answer modes.Entering AT#V0&W0<CR> includes the V.32 terbo mode in handshaking. Entering AT#V1&a...

63 CHAPTER1: Specifications Chap 5: Command Modeter 5.4.5 Command Response (Result Code) Commands Echo Command Mode Characters E If the Series II Modem is connected to a full-duplex computer, it may be necessary for the modem to be configured to echo back charactersentered while in the Command Mode ...

64 SERIES II INTELLIGENT DATA/FAX MODEMS Result Codes (Verbose/Terse) V The V command controls whether the Series II Modem’s result codes are displayed as word ( “verbose” ) or single digit ( “terse” ) messages. For example, if after dialing, no carrier signal is detected, the resultingmessage can b...

65 CHAPTER 5: Command Mode Regarding the Series II Modem’s method of dialing, the Modem candetect standard dial tones and busy signals. This capability ( “smart dialing” ) allows the modem to wait for a dial tone, and when one is detected, to begin dialing immediately. The Modem also can detect a di...

66 SERIES II INTELLIGENT DATA/FAX MODEMS 5.4.6 Phone Line Conditioning Commands Guard Tones &G The &G command is used to control the presence or absence of guard tones from the transmitter when in Answer mode, at either 1200 or2400 bps. Guard tones are used in Europe and other areas for them...

67 CHAPTER 5: Command Mode codings except under an unusual line condition called impulse noise. AT#T0 turns Trellis coding off and AT#T1 turns Trellis coding on (factory default). Fallback Modes When On-Line #F If line conditions deteriorate, the Series II Modem automatically dropsits transmission s...

68 SERIES II INTELLIGENT DATA/FAX MODEMS Auto Speed Detect #A The function of the #A command is to detect and select the operational data rates (the “starting” speeds) with which the Series II Modem uses for initial handshake and speed selection. Remember, this command does not control the originati...

69 CHAPTER 5: Command Mode Data Terminal Ready Control &D Data Terminal Ready (DTR) on Pin 20 of the RS232C interface isrequired in order for the Series II Modem to operate. A high DTRsignal tells the modem that the device to which it is connected is active,or "ready" to communicate thro...

70 SERIES II INTELLIGENT DATA/FAX MODEMS Data Set Ready Control &S The &S command allows you to control the status of the Data Set Ready signal (DSR, Pin 6) on the RS232C interface. You have three choices.You can force the signal high, allow it to act normally, or set it to stayhigh until th...

71 CHAPTER 5: Command Mode Normal Mode &E0 In Normal mode of operation, the Series II Modem’s V.42 error correc-tion capabilities are disabled, and the modem functions as a non-error-correcting modem. Auto-Reliable Mode &E1 In Auto-Reliable mode during the handshaking procedures at the start...

72 SERIES II INTELLIGENT DATA/FAX MODEMS Reliable Mode &E2 In Reliable mode, the Series II Modem uses its V.42 error correctioncapabilities during all transmissions, and must be connected to anothermodem with a similar protocol activated (MNP or LAP-M). V.42 Mode Select #L The V.42 standard impl...

73 CHAPTER 5: Command Mode This command is for Originate mode only.Answer mode still accepts MNP or LAP-M. #L3 Command In the prior commands, the modems use atwo phase process to establish a V.42connection (detection to establish whetherthe remote modem is also error correcting,and then protocol est...

74 SERIES II INTELLIGENT DATA/FAX MODEMS The $F command can be used to disable this fallback-to-Normal-due-to- CARRIAGE-RETURN feature. The Auto-Reliable fallback character ( $F ) and Auto Reliable buffering ( $A ) commands can be used together to cause the modem to buffer all data received up until...

75 CHAPTER 5: Command Mode V.42 Error Correction/300bps $E At 300 bps, error correction is not typically used. $E1 lets the Series II Modem function at 300 bps in either Normal ( &E0 ), Auto-Reliable ( &E1 ) or Reliable ( &E2 ) mode. $E0 , which is the Modem’s default, disables 300 bps/V...

76 SERIES II INTELLIGENT DATA/FAX MODEMS Figure 5-2. Flow Control and Pacing Hardware Flow Control &E4 With Hardware Flow Control, the modem uses its RS232C interface tocontrol the flow of data from the computer or terminal to which it isattached. The CTS (Clear to Send) signal on Pin 5 of the R...

77 CHAPTER 5: Command Mode Xon/Xoff Flow Control &E5 Xon/Xoff is the most commonly used method of flow control. Underthis method, control characters known as “Xon” and “Xoff” are inserted by the modem into the data to start and stop the flow of data from thecomputer or terminal to which the mode...

78 SERIES II INTELLIGENT DATA/FAX MODEMS When two Series II Modems are connected in Normal mode (not usingerror correction), Xon/Xoff can be used to control the flow of databetween the modems. Flow Control can be turned on or off with theNormal Mode Modem Flow Control commands. When the modems are c...

79 CHAPTER 5: Command Mode connected in Reliable mode, a different method of modem flow controlis used, and the commands for Normal Mode Modem Flow Control areignored. When you are using Speed Conversion in Normal Mode, you mustactivate the modem’s Normal Mode Modem Flow Control. (SpeedConversion is...

81 CHAPTER 5: Command Mode 5.4.10 Compression, Error Correction, Flow Control, Pass-Through and PacingCommands The Series II Modem has a variety of commands to control its errorcorrection and data compression options. These additional commandsare listed below. (Remember to precede each command with ...

82 SERIES II INTELLIGENT DATA/FAX MODEMS Enq/Ack Pacing Commands: &E8 = Enq/Ack method of pacing off* &E9 = Enq/Ack method of pacing on Normal Mode Modem Flow Control Commands: &E10 = Normal Mode Modem Flow Control off* &E11 = Normal Mode Modem Flow Control (Xon/Xoff) on Computer-or ...

83 CHAPTER 5: Command Mode computer must be set at a fixed baud rate, regardless of whether themodem is communicating over the phone line at 300, 1200, 2400, 9600,14,400,19,200, 24,000, 28,800 or 33,600 bps. In this application, speedconversion allows the modem to match its speed to that of the call...

84 SERIES II INTELLIGENT DATA/FAX MODEMS The command to set the Modem Baud Rate is AT$MBn , where n can be 300, 1200, 2400, 4800, 9600, 14,400,19,200, 28,800 or 33,600 bps aslisted below: AT$MB300 = 300 bps AT$MB1200 = 1200 bps AT$MB2400 = 2400 bps AT$MB4800 = 4800 bps AT$MB9600 = 9600 bps AT$MB1440...

85 CHAPTER 5: Command Mode same. This provides you with a convenient way to switch the serial portspeed, and still make it easy to go back to the original speed automati-cally the next time the modem is powered up or reset with an ATZ command. The command to set the Serial Port Baud Rate is AT$SBn ,...

86 SERIES II INTELLIGENT DATA/FAX MODEMS At the time of this writing, we have three screens of Help information(Screen #1, #2 and #3), and more screens may be added in the future.The Help commands are structured so that you can call up one of threeHelp screens, as follows: AT$H1 = Help Screen #1 AT$...

87 CHAPTER 5: Command Mode Listing Current Operating Parameters L5 L7 The L5 and L7 commands list the current operating parameters of your modem. This information can be very useful when you are changingcommunications software or when you are changing modem default settings. The command to list the ...

88 SERIES II INTELLIGENT DATA/FAX MODEMS Figure 5-2. On-line diagnostics information. On or Off Hook H You can make the Series II Modem hang up (go On Hook). Entering ATH1<CR> brings the line Off Hook, just as if you picked up the telephone set. You can hang up by entering ATH0 or ATH (the def...

89 CHAPTER 5: Command Mode When this is done, the modem escapes to Command Mode, executesthe command (if any), and then remain in Command mode. Forexample, to hang up the modem at the end of a call, enter +++ATH and hit RETURN. There is no need to incorporate pauses before and afterthe plus signs, a...

90 SERIES II INTELLIGENT DATA/FAX MODEMS Force Answer Mode A You can force the Series II Modem into Answer mode with the modem’s A command. Entering ATA when in Command mode immediately brings your mo- dem off-hook, out of Command mode and into On-Line Answer mode,and causes it to transmit its carri...

91 CHAPTER1: Specifications These commands are listed below. Enable/Disable Reading of Line Probe Information Commands: %DP0 Do not read Line Probe information from DSP during handshake(Default). %DP1 Read Line Probe information from DSP during handshake. Format of Line Probe (Graph or Table) Comman...

92 SERIES II INTELLIGENT DATA/FAX MODEMS 6. S-Registers 6.1 Introduction Certain Command Mode configurations are stored in memory registerscalled, S-Registers. The S command is used to assign a value to, and to read the current value of an S-Register. To assign a value to an S-Register, enter the le...

94 SERIES II INTELLIGENT DATA/FAX MODEMS S5Backspace Character Unit: Decimal equivalents of ASCII characters Range: 0-127 Default: 8 (^H) Description: S5 defines the character recognized asBACKSPACE. S5 may be set for any ASCIIcharacter. S6Wait Time for Dial Tone Unit: Seconds Range: 2-255 Default: ...

96 SERIES II INTELLIGENT DATA/FAX MODEMS S11Tone Dialing: Tone Spacing and Duration Unit: Milliseconds (mSec) Range: 1-255 Default: 70 Description: S11 sets the speed of tone dialing (spacing andtone duration times). The default value is70 mSec, meaning that each tone is on for70 mSec with a 70 mSec...

100 SERIES II INTELLIGENT DATA/FAX MODEMS S30Inactivity Timer Unit: Minutes Range: 0-255 Default: 0 Description: S30 causes the modem to disconnect if no data istransmitted or received for a specified time. Thistimer runs during both Reliable and Normalerror correction connections. The timer restart...

102 SERIES II INTELLIGENT DATA/FAX MODEMS 6.2 Reading and Assigning S-Register Values The S command is used to assign a value to, and to read the current value of, an S-Register. To read an S-Register value, enter the letter S followed by the S-register number and a question mark ( ? ), then hit RET...

104 SERIES II INTELLIGENT DATA/FAX MODEMS 7. Callback Security and Remote Configuration 7.1 Introduction This chapter describes how the Series II Modem Callback and RemoteConfiguration features operate. These features use a multilevel securitysystem, which involves the use of LOGIN Passwords, Setup ...

105 CHAPTER 7: Callback Security and Remote Configuration long). You use the modem's LOGIN Password and the Set-Up Passwordplus special Callback commands to access this memory. The memory isthirty numbers long and replaces your modem's normal phone numbermemory. Each number is 35 characters long and...

106 SERIES II INTELLIGENT DATA/FAX MODEMS Table 7-1. Modem LOGIN, Setup and Remote Escape CodeProcedures To change your modem’s LOGIN Password and Setup Password: Step Procedure Note: Passwords are upper/lower case sensitive. The case you enter here is the case that must be used at Log-In. 1. Type A...

107 CHAPTER 7: Callback Security and Remote Configuration To turn your modem's Callback Security feature on and off: 7. If you want Callback Security with both remote and local passwordsecurity, enter AT#DB1 and hit RETURN. You must turn on Callback Security to be able to enter dial back phone numbe...

108 SERIES II INTELLIGENT DATA/FAX MODEMS Table 7-2. Callback Password and Dial Back Phone Number Entry Procedures Step Procedure 1. Enter your modem's LOGIN Password (as selected in Table 7-1 ) by entering the following: AT#Ixxxxxxxxxx<CR> (xxxxxxxxxx from Table 7-1 ) Enter your modem's Setup...

109 CHAPTER 7: Callback Security and Remote Configuration AT+ - DT...????N1 <CR> (number for location N1)...etc Note: You must indicate within the command string that the modem either Pulse dials ( ATDP ...) or Tone dials ATDT ...). The maximum length of the number is 35 characters. The number...

110 SERIES II INTELLIGENT DATA/FAX MODEMS Table 7-3. Callback Operational Sequence Procedures Perform the following steps when dialing into a dialback modem: Step Procedure 1. When called, the modem answers and after a slight delay, respondswith: Password> 2. Enter your modem's LOGIN Password ( T...

111 CHAPTER 7: Callback Security and Remote Configuration 7.3.2 Remote Configuration Procedures The procedures for using the Remote Configuration features are thesame whether or not a call originates from the remote modem. Oncethe modem is on-line, perform the procedures in Table 7-4 . Table 7-4 Rem...

112 SERIES II INTELLIGENT DATA/FAX MODEMS 7.4 Remote Configuration and Callback Security AT Commands The following AT commands are used with Remote Configuration and Callback Security features. Assign Passwords for Callback Phone Numbers #CBN When you have callback security enabled for the Series II...

113 CHAPTER 7: Callback Security and Remote Configuration Change LOGIN Password #I The default LOGIN password for your Series II Modem is "BLACK BOX" . If you choose to activate callback security, you should change the LOGIN password using this command in the following format: AT#Ixxxxxxxxxx...

115 CHAPTER 7: Callback Security and Remote Configuration Failed Password Attempts (S26) S26 counts the number of times there has been a failed passwordattempt. For example, if you entered ATS26? and the message 003 were displayed, that would mean someone had failed three times togain access to your...

116 SERIES II INTELLIGENT DATA/FAX MODEMS 8. Modem Testing 8.1 Introduction Each time you power up the Series II Modem, it performs an automaticself- test to ensure proper operation. The Modem also has four diag-nostic test features: Local Analog Loopback, Digital Loopback(remote/automatic), Digital...

117 CHAPTER 8: Modem Testing 8.2 Local Analog Loopback Test/V.54 Loop 3 In this test, data from your computer or terminal is sent to yourmodem's transmitter, converted into analog form, looped back to thereceiver, converted into digital form and then received back at yourmonitor for verification. No...

123 CHAPTER 8: Modem Testing 9. Entered characters should echo back to the sending modem. Figure 8-4B. Back-to-Back Testing 8.6 Synchronous Mode Testing The following tests must be run with your modem in Synchronousmode (DIP Switch #12 in the Up (OPEN) position), DIP Switch #9controls the modem’s Sy...

124 SERIES II INTELLIGENT DATA/FAX MODEMS To initiate the Local Analog Loopback Test, with the modem inSynchronous mode: 1. Enter AT&M1U . This first switches your modem form asynchro- nous to synchronous mode, and places it into the Analog Loop-back/Originate mode. The modem is now out of the C...

125 CHAPTER 8: Modem Testing data passed from the remote modem’s transmit circuit are looped backfrom the local modem and are received at the remote modem’s receivecircuit (multiple upper case “U” characters in Figure 8-6 ). First make certain that you are set up for Synchronous operation byplacing ...

126 SERIES II INTELLIGENT DATA/FAX MODEMS in Figure 8-6 ), the Local Analog Loopback Test should be performed on both the remote and local modems. If that test is successful, theproblem may be the phone lines. First make certain that you are set up for Synchronous operation byplacing DIP-Switch #12 ...

127 CHAPTER 9: DIP-Switch Settings 9. DIP-Switch Settings 9.1 Introduction There are several DIP-Switch options on the Series II Modem’s printedcircuit (PC) board. The DIP-Switches are accessible through a cut-outon the side of the modem. This chapter explains the Modem printed-circuit board options...

128 SERIES II INTELLIGENT DATA/FAX MODEMS Figure 9-2. Series II Modem 336+ (MD1640A) PC Board 9.2 DIP-Switch Option Settings Switch #1Forced DTR -- "DTR"(Asynchronous/Synchronous Mode/Leased Line/Dial-Up) The Series II Modem must have a high DTR signal in order to operate.DTR is provided to ...

130 SERIES II INTELLIGENT DATA/FAX MODEMS Switch #3Enable/Suppress Responses -- "Q"(Asynchronous Mode/Dial-Up) In some Asynchronous mode applications, you may want to suppress allresponses from the modem. Place DIP-Switch #3 in the DOWN positionto enable Result Code responses ( Q0 ). Place D...

137 CHAPTER 9: DIP-Switch Settings 9.4 Recording Option Configurations This section lets you record any changes you may have made to the DIP-Switch settings. Circle the appropriate setting and record the effect forfuture reference. DIP-Switches Sw. Function Position Effect #1 Force DTR/DTR from Inte...

138 SERIES II INTELLIGENT DATA/FAX MODEMS Sw. Function Position Effect #8 Command Mode Enabled* UP (Sync/Async/Dial/Leased) DOWN* #9 Local/Remote* LoopBack UP (Async/Sync/Dial/Leased) DOWN* #10 Dial-Up*/Leased-Line UP*DOWN #11 “AT" vs. “Series II" Result Codes* UP (Asynchronous) DOWN* #11 In...

139 APPENDIX A: Troubleshooting Appendixes Appendix A - Troubleshooting Your Series II Modem was thoroughly tested at the factory before it wasshipped. If you are unable to make a successful connection or if youexperience data loss or garbled characters during your connection, it ispossible that the...

140 SERIES II INTELLIGENT DATA/FAX MODEMS • If the power strip is on and the modem switch is on, try moving themodem power supply to another outlet on the power strip. • Test that the outlet is live by plugging a lamp into it. • The modem or power supply may be defective. If you have anotherSeries I...

142 SERIES II INTELLIGENT DATA/FAX MODEMS it will appear in the Conflicting Device List. Uncheck UseAutomatic Settings to change the port’s settings so they do notconflict with the other device, or select the port the conflictingdevice is on and change it instead. If you need to open yourcomputer to...

143 APPENDIX A: Troubleshooting internal dial tone that sounds different from the normal dial tone.In that case, the modem may not recognize the dial tone and maytreat it as an error. Check your PBX manual to see if you canchange the internal dial tone; if you can’t, change your modem’sinitializatio...

144 SERIES II INTELLIGENT DATA/FAX MODEMS The Modem Disconnects While On-line • If you have call waiting on the same phone line as your modem, itmay interrupt your connection when someone tries to call you. Ifyou have call waiting, disable it before each call. In most telephoneareas, you can disable...

145 APPENDIX A: Troubleshooting File Transfer Is Slower Than It Should Be • You may have an older UART. For best throughput, install a16550AFN UART. See the “Quick Start” chapter for information onhow to identify your UART. • If you are running under Windows 3.1 and have a 16550AFNUART, you must rep...

146 SERIES II INTELLIGENT DATA/FAX MODEMS • Try entering the L8 (List Online Diagnostics) command in on-line mode, making a screen print of the diagnostics listing, andchecking for parameters that may be unacceptable (number of re-trains, round trip delay, etc.). I Am Getting Garbage Characters on t...

147 APPENDIX A: Troubleshooting A.2 Contacting Black Box A.2.1 Recording Modem Information Please fill in the following information on your Series II Modem on aphotocopy of this page. This will help tech support in answering yourquestions. Modem Model No.: Modem Serial No.:Modem Firmware Version:COM...

148 SERIES II INTELLIGENT DATA/FAX MODEMS A.2.2 Making the Call If you determine that your Series II Modem is malfunctioning, do not attempt to alter or repair the unit . It contains no user-serviceable parts. Call Black Box Technical Support at 724-746-5500. Before you do, make a record of the hist...

150 SERIES II INTELLIGENT DATA/FAX MODEMS Appendix B - Dial Pulse and Tone-Dial Frequencies Dial Pulses In the example above, the digit 2 is pulse dialed, followed by the digit 1.Each pulse consists of an A mSec open and a B mSec closed, where Awill be either 60 or 67 mSec and B will be either 40 or...

152 SERIES II INTELLIGENT DATA/FAX MODEMS Command Values Description &B n n = 0 or 1 *&B0 means normal transmit buffer size.&B1 means reduced transmit buffer size. &BS n n = 0 or 1 &BS0 means maximum transmit block sizeof 64 characters.*&BS1 means maximum transmit block sizeo...

153 APPENDIX C: Command Summary %DF n n = 0 or 1 *%DF0 Line Probe Data in Graph Format.%DF1 Line Probe Data in Table Format. %DP n n = 0 or 1 *%DP0 do not read Line ProbeInformation from DSP during handshaking.%DP1 read Line Probe Information fromDSP during handshaking. $D n n = 0 or 1 *$D0 disables...

155 APPENDIX C: Command Summary &G n n = 0, 1 or 2 *&G0 turns off CCITT guard tones.&G1 turns on CCITT 550 Hz guard tone.&G2 turns on CCITT 1800 Hz guard tone. H n n = 0 or 1 H0 means Hang Up (go on hook).H1 means Go Off Hook. $H n n = 1 thru 3 $H1 brings up Help Screen #1.$H2 brings...

156 SERIES II INTELLIGENT DATA/FAX MODEMS #L n n = 0 thru 3 *#L0 means modems negotiate V.42 Mode.#L1 means MNP on and LAP-M off.#L2 means LAP-M on and MNP off.#L3 means no detection phase but godirectly to LAP-M. * Factory Default Setting Command Values Description M n n = 0 thru 3 M0 means Monitor...

157 APPENDIX C: Command Summary P In Dial Comd. *Modem will pulse-dial numbers followingthe P. &P n n = 0 or 1 *&P0 means 60-40 pulse ratio.&P1 means 67-33 pulse ratio. #P n n = 0, 1, or 2 *#P0 selects no parity.#P1 selects odd parity.#P2 selects even parity. * Factory Default Setting Co...

158 SERIES II INTELLIGENT DATA/FAX MODEMS Command Values Description Sr =n r = 0-11, 13, Sets value of Register “r” to value of “n”, 15-19, 24-26, where “n” is entered in Decimal format. 29, 30, 32, 34... S r? r = 0-11, 13, Reads value of Register “r” and displays 15-19, 24-26, value in 3-digit Deci...

161 APPENDIX C: Command Summary Command Values Description +++AT<CR> In-band Escape Sequence. Places modem inCommand Mode while still remaining On-Line. Enter +++ followed by the letters Aand T, up to ten command characters, anda RETURN. BREAK AT<CR> Out-of-band Escape Sequence. Placesmo...

162 SERIES II INTELLIGENT DATA/FAX MODEMS location. The (-) preceding the phone numberenables direct entry when the caller uses thecorrect password without the callback modemhaving to return the call. The ??? entry at the endof the phone number represents an extensionadded to the main phone number. ...

163 APPENDIX C: Command Summary V.25bis Commands Command Description $Vn $V0 returns modem to AT command mode when in V.25bis mode. $V1 enables V.25bis mode of operation. $V2 allows modem to receive one V.25bis command while in AT command mode withoutleaving AT command mode. $V5 DSR follows DTR in V...

164 SERIES II INTELLIGENT DATA/FAX MODEMS Appendix D - DIP-Switch Summary Asynchronous Mode DIP-Switch Condition Effect #1 UP* DTR dependent on interface Down DTR forced On at all times #2 UP* Hardware Flow Control Down Xon/Xoff Flow Control #3 UP -15 dB Transmission (leased line) Down* -9 dB Transm...

165 APPENDIX D: DIP-Switch Summary Synchronous Mode DIP-Switch Condition Effect #1 UP* DTR Dependent On interface Down DTR forced On at all times #2 UP* SDLC Mode On Down BSC Mode On #3 UP Command Mode Response Off Down* Command Mode Response On #4 UP* AS/400 Mode Off Down AS/400 Mode On #5 UP* Answ...

168 SERIES II INTELLIGENT DATA/FAX MODEMS S-REG. UNIT RANGE DEFAULT DESCRIPTION S 10 100 mSec 1-255 7 Sets delay time betweenwhen carrier is lost andwhen modemdisconnects. S 11 1 mSec 1-255 70 Sets time duration ofand spacing betweentones in tone-dialing. S 13 ASCII 0-127 37 Defines RemoteConfigurat...

169 APPENDIX E: S-Register Summary S-REG. UNIT RANGE DEFAULT DESCRIPTION S 24 50 mSec 0-255 20 Sets DSR/CTS/CDdropout time. Default(20) equals one second. S 25 100 mSec 0-255 0 Sets DTR dropout time.0 default equals50 mSec. S 26 Failed 0-255 0 Specifies number Attempts of failed passwordattempts all...

170 SERIES II INTELLIGENT DATA/FAX MODEMS S-REG. UNIT RANGE DEFLT. DESCRIPTION S 36 Seconds 0-255 0 S36 sets the timebetween DTR inactiveand the modem goingoff-hook ( busy-out ). S 37 Seconds 0-255 5 S37 sets the time allowedDTR active and themodem responding on-hook (not busy) . S 48 N/A 33, 31, 0 ...

171 APPENDIX F: Result Code Summary Appendix F - Result Code Summary TERSE VERBOSE Effect (Digit) (Words) 0 OK Command was executed withouterror; ready for next command. 1 CONNECT Modem has detected carrier andgone on-line. 2 RING Modem has detected ring causedby incoming call. 3 NO CARRIER No carri...

172 SERIES II INTELLIGENT DATA/FAX MODEMS TERSE VERBOSE Effect (Digit) (Words) 19 CONNECT 19200 Modem has detected carrier at19200 bps and gone on-line. 21 CONNECT 21600 Modem has detected carrier at21600 bps and gone on-line. 24 CONNECT 24000 Modem has detected carrier at24000 bps and gone on-line....

173 APPENDIX F: Result Code Summary Note: If Series II Modem is used in LAP-M reliable mode, the following responses change: 1L CONNECT LAPM 5L CONNECT 1200 LAPM 9L CONNECT 2400 LAPM 10L CONNECT 4800 LAPM 12L CONNECT 9600 LAPM 13L CONNECT 14400 LAPM 19L CONNECT 19200 LAPM 21L CONNECT 21600 LAPM 24L ...

174 SERIES II INTELLIGENT DATA/FAX MODEMS Appendix G - V.25bis Operation Chapter 5 described a set of commands which let the Series II Modemdial, hang-up, and be configured for various applications. However,these commands, the AT command set, are only functional when theDTE transmits data asynchrono...

176 SERIES II INTELLIGENT DATA/FAX MODEMS If the $VD1 command is entered when in Auto-Answer mode, the modem answers immediately upon receiving the first ring. There is no disconnect message ( NO CARRIER ) if a normal connection is made. V.25bis Set-Up and Initialization Before you operate your mode...

177 APPENDIX G: V.25bis Operation V.25bis Mode AT Commands The following commands will either alter standard V.25 bis behavior (so you must be careful in their use) or they are not allowed, as indicated.All other commands can be used in V.25 bis operation. A Not Allowed A/ Not Allowed A: Not Allowed...

180 SERIES II INTELLIGENT DATA/FAX MODEMS Dial Phone Number Provided (CRN) Command The CRN command permits the dialing of the phone number immedi-ately following it (from the command line). It is similar to the D com- mand of the AT command set, except that the number is first checkedagainst the Del...

181 APPENDIX G: V.25bis Operation Listing Delayed Phone Numbers (RLD) Command When a phone number is dialed by a CRN command and a connectionis not made, the number is entered in the modem's V.25 bis Delayed Number list along with the number of retry attempts. Any furtherdialing attempts will be del...

182 SERIES II INTELLIGENT DATA/FAX MODEMS command or simply have your modem answer the call immediatelywithout waiting the regulation time before answering). DTR Dialing ($D) Command DTR Dialing is an alternate method of causing the Series II Modem toautomatically dial a number. Data Terminal Ready ...

183 APPENDIX G: V.25bis Operation ITU V.25bis Country Specific Information Due to the flexibility of the V.25bis standard, each country may establishspecific regulations governing the way operations are handled. Hereare details about how each country's specific regulations can affect theoperation of...

184 SERIES II INTELLIGENT DATA/FAX MODEMS 2. Switzerland a) Command/Indication modification 1. Modem must remain on-hook for 5 seconds after disconnect 2. Modem must remain on-hook for 5 minutes after 4 consecutive failed calls 3. If modem must remain on-hook, then it is “paused” 4. If the modem is ...

185 APPENDIX G: V.25bis Operation dialing in AT mode. If dialing is not possible then NO CARRIER is the response. c) Auto-Answer behavior 1. Auto-Answer in 5 seconds if no DIC 4. France a) Command/Indication modification (none) b)Delay and Forbidden list behavior 1. 2 min. delay after 1st call, 4 af...

186 SERIES II INTELLIGENT DATA/FAX MODEMS 6. Singapore a) Command/indication modifications 1. Dialing digit ‘=’ means wait for dialtone (acts the same as ‘:’ in dialing string) b)Delay and Forbidden list behavior 1. 5 retries without delay 2. 2 minute delay between next 4 retries 3. After 9 retries ...

188 SERIES II INTELLIGENT DATA/FAX MODEMS The following cables are for 2-wire and 4-wire leased line connections usingscrew connectors. Figure I-3. Two Wire Leased Line Connection Figure I-4. Four Wire Leased Line Connection (336+ [MD1640A] Only) 3425 Red Green Yellow Black Transmit Pair Receive Pai...

189 APPENDIX I: RS232C Interface Specifications Appendix I - RS232C Interface Specifications The Series II Modem's RS232C interface circuits have been designed tomeet the electrical specifications given in EIA (Electronic Industries Association) RS232C standards. All signals generated by the modem a...

190 SERIES II INTELLIGENT DATA/FAX MODEMS 22 RI CE 125 DCE Ring Indicator 24 XTC DA 113 DTE External Transmit Clock 25 OOS CN 142 DTE Terminal Busy ** Pin 9 need not be present in your RS232C cable *** Pins 15 and 17 are necessary only for synchronous operation **** Also known as DTR (Data Terminal ...

191 APPENDIX I: RS232C Interface Specifications Clear To Send - Pin 5, CTS (CB) Direction: from modem The CTS line indicates to the terminal that the Series II Modem willtransmit any data present on the Transmit Data line (pin 2). Data Set Ready - Pin 6, DSR (CC) Direction: from modem DSR On indicat...

193 APPENDIX I: RS232C Interface Specifications turned off at the conclusion of the log off procedure, which forces themodem to disconnect, enabling it to receive another call. In non autoanswer applications it is advisable to leave DTR on using the modem'sDIP-switch option. This is the standard fac...

194 SERIES II INTELLIGENT DATA/FAX MODEMS Appendix J - Regulatory Information FCC and IC EMI/RFI Statements When correctly installed and maintained, the modem will present nohazard to the user. When correctly installed the modem will beconnected to the PSTN or a PW and to a Data Terminal Equipment(D...

195 APPENDIX J: Regulatory Information FCC Part 68 Regulations for Telephone-LineInterconnection 1. This equipment complies with Part 68 of the Federal Communica-tions Commission (FCC) rules. On the outside surface of thisequipment is a label that contains, among other information, theFCC registrati...

196 SERIES II INTELLIGENT DATA/FAX MODEMS 6. If trouble is experienced with this equipment (the model of whichis indicated below) please contact Black Box at the address shownbelow for details of how to have repairs made. If the trouble iscausing harm to the telephone network, the telephone companym...

197 APPENDIX J: Regulatory Information Canadian Limitations Notice Notice: The ringer equivalence number (REN) assigned to each terminal device provides an indication of the maximum number ofterminals allowed to be connected to a telephone interface. Thetermination of a interface may consist of any ...

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