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BayTech PRINT MASTER 706A Owner's Manual

Print master 700 series
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OWNER'S MANUAL
__________________
PRINT MASTER
700 SERIES
PRINTER CONTROLLERS
706A
706C
708C
710C
706D
708D
706E
708E
710E
708F
710F
BayTech publication #U140E045-05

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Summary of Contents for BayTech PRINT MASTER 706A

  • Page 1 OWNER'S MANUAL __________________ PRINT MASTER 700 SERIES PRINTER CONTROLLERS 706A 706C 708C 710C 706D 708D 706E 708E 710E 708F 710F BayTech publication #U140E045-05...
  • Page 2 Dear Customer, Thank you for selecting a BayTech Print Master printer controller. The data provided in this Owner's Manual explains the various ways you can operate your unit and configure it to your own computer system. We suggest that you read this manual carefully before attempting to install Print Master and that you place special emphasis on correct cabling and configuration.
  • Page 3 The information contained in this document is subject to change without notice. Copyright 1993 by Bay Technical Associates, Inc. IBM PC, IBM PC/AT, IBM PC/XT and IBM PS/2 are products of International Business Machines Corporation. Hewlett-Packard LaserJet is a product of the Hewlett-Packard Company.

  • Page 4: Table Of Contents

    6.1.1 THE PORT LOGICAL NAME ... 20 6.1.2 THE NUMBER OF PRINTERS/THE PORT ASSIGNMENT... 21 6.1.3 THE PRINTER SELECT CODE ... 22 6.1.4 THE PRINTER SELECT MODE... 22 6.1.5 THE SERIAL PORT CONFIGURATION ... 23 6.1.6 THE INPUT INACTIVITY TIMEOUT... 23 6.1.7 THE FORM FEED MODE ...
  • Page 5 MODELS 706A AND 708A - CONFIGURATION PROCEDURE ... 38 7.1.1 MODELS 706A AND 708A - MAIN CONFIGURATION MENU... 40 7.1.2 MODELS 706A AND 708A - STATUS... 41 7.1.3 MODELS 706A AND 708A - CHANGE LOGICAL NAME... 42 7.1.4 MODELS 706A AND 708A - SET INPUT INACTIVITY TIMEOUT...
  • Page 6 PRINTER SELECT CODE ... 45 7.1.7 MODELS 706A AND 708A - SET PRINTER SELECT MODE ... 46 7.1.8 MODELS 706A AND 708A - SET FORM FEED MODE ... 46 7.1.9 MODELS 706A AND 708A - PROGRAM HEADER PAGE MESSAGE... 47 7.1.10 MODELS 706A AND 708A - EXIT...
  • Page 7 7.3.6 ALL 700D, 700E, 700F MODELS -SET INPUT INACTIVITY TIMEOUT... 70 7.3.7 ALL 700D, 700E, 700F MODELS -PROGRAM PRINTER SELECT CODE... 71 7.3.8 ALL 700D, 700E, 700F MODELS - SET PRINTER SELECT MODE ... 72 7.3.9 ALL 700D, 700E, 700F MODELS - SET FORM FEED MODE...
  • Page 8 (DE-9)... 80 BETWEEN PRINT MASTER AND HEWLETT PACKARD LASERJET ... 82 BETWEEN PRINT MASTER AND ANY CENTRONICS PRINTER ... 83 700C MODELS - MODULAR CABLING... 84 APPENDIX B OPTION 19 - CASCADE FEATURE FOR MODELS 710C, 710E, 710F ... 86 OPTION 19 - CONFIGURATION ...
  • Page 9 Print Master comes standard with a 1 MB buffer which is optionally available up to 2 MB. The built-in buffer saves valuable computer time by spooling data until the printer or plotter can receive it, keeping the computers working full time instead of waiting.
  • Page 10 (e.g., PCs, main frames, mini computers, etc.) to share printers and/or plotters. For example, Figure 1 below shows seven PCs sharing a single HP LaserJet IIISi printer. This application would allow all the PCs to send print jobs to the printer simultaneously.
  • Page 11 Parallel ports: Centronics protocol. TRANSMISSION: Serial ports - asynchronous; full duplex communication; Parallel ports - maximum 30,000 characters per second on the 706A and 708A. Up to 5000 characters per second on all other models. STANDARD FACTORY-SET POWER-UP DEFAULT CONFIGURATION: Serial ports: Baud rate: 9600.
  • Page 12 Header Page Message: 80 characters. MINIMUM SIZE PRINT JOB: 3 characters. INTERNAL BUFFER: 1 MB standard. All models available with 1.5 MB or 2 MB except the 706A and 708A. 706A and 708A models are available with 2 MB, 3 MB, or 4...
  • Page 13 POWER: 115 VAC, 50/60 Hz., .3A. Optional 230 VAC, 50/60 Hz., .2A. ENVIRONMENT: 0 degrees to 55 degrees C temperature; 5% to 95% humidity. DIMENSIONS: 10 1/8w x 8d x 3h inches. WEIGHT: 6 pounds. INDICATORS: 1 green power LED; 6, 8 or 10 red, port-activity LEDs.

  • Page 14: Installation

    Typical devices include computers, printers, and plotters. PORT DESIGNATION Determine which serial or parallel ports on Print Master will be assigned as computer or printer. Computers connect to ports assigned as computer. Printers and plotters Instructions Print Master 708A...

  • Page 15: Cabling

    * Ports are fixed as computer or printer (i.e., cannot be changed). SERIAL PORT CONFIGURATION NOTE: This step does not apply to the 706A and 708A models. The serial port configuration of your serial devices and Print Master must all match.

  • Page 16: Parallel Ports

    NOTE: The easiest way to access configuration mode is to use the supplied utility created by running the INSTALL program as described in Section 4.2 . This utility is TERM.EXE for all models other than the 706A and 708A. The utility for the 706A and 708A models is PARSEND.EXE.
  • Page 17 Step To print from a serial port of your PC, you must first redirect the parallel output to the serial port via the DOS command C:>MODE LPTx:=COMy:, where x and y are the port designation (e.g., LPT1:=COM1:). You must also configure your PC's serial port to communicate at parameters that match Print Master.
  • Page 18      After opening the box, check the packing list that comes with Print Master to ensure that you have received all components. Also check the unit to make certain that it did not receive damage during shipping.       BayTech provides utility software to assist you in configuring the Print Master.
  • Page 19 Highlight "700 Series" with the arrow keys or mouse followed by "OK". A menu titled "Printer Selection Programs" will appear on your screen. You are given three selections: RAMEXEC, RAMTSR, and WNDEXEC. Choose RAMEXEC if your PC runs non- Windows programs that do not operate in graphics mode.
  • Page 20 The highest numbered port is the master configuration port. Other factory-default settings are: Input inactivity timeout is set to 20 seconds. The Port Select Code is $PRINTER. The Port Select Mode is Mode 2 (selection anytime while sending). The Form Feed Mode and the Header Page Message are disabled.
  • Page 21 LPTx to print to the local printer or COMy to send print jobs to Print Master. NOTE: If you have a local parallel printer connected to your PC and you wish to use RAMEXEC (or RAMTSR), set up the local printer to use LPT1 and RAMEXEC (or RAMTSR) to use LPT2.
  • Page 22 You will also need to change the serial port configuration of your PC's com port to match that of the Print Master. If using the Print Master's factory default serial configuration, this is accomplished via the DOS command C:>MODE COMy: 9600, N, 8,1,P where y is the number of the appropriate com port.
  • Page 23 DB-25 male-to-male cable is required between each IBM PC computer (or compatible) and a parallel port on Print Master. A DB- 25 male-to-Centronics cable is required between each printer having a Centronics connector and Print Master (i.e., IBM PC to Centronics cable).
  • Page 24     IMPORTANT: Before you proceed with cabling, you must know whether the devices that you will connect to Print Master are DTE (Data Terminal Equipment) or DCE (Data Communication Equipment). The following devices are generally DTE: terminals, printers, and computers like the IBM PC. The following devices are DCE: modems and some computers.
  • Page 25 DTE ports use the following signals for communication: DTE PORT PIN/SIGNAL DEFINITION Signal Direction (EIA-232) PGND Output Input Output Input Input SGND Input Output If you are interfacing a DTE device to Print Master (DCE), you must use a one-to-one or straight cable as in Figure 2 on the following page.
  • Page 26 PRINT MASTER - DCE MALE DB-25 PGND < < SGND < PRINT MASTER - DCE MALE DB-25 PGND < < SGND < NOTE: Please refer to Appendix A for recommended cabling between Print Master and various computers and peripheral devices. PGND >...
  • Page 27       !"  #$    The EIA-232 serial ports of the Print Master Models 706C, 708C, or 710C may have RJ-45 modular connectors. This section will address the cabling and modular adapter information required for 700C models with RJ-45 modular connectors. BayTech has a complete line of RJ-45 adapters and cables that will make your installation quick and trouble free.

  • Page 28: User-Programmable Configurations

      This section discusses the various user-programmable configurations ( Section 6.1 ), printer sharing operation ( Section 6.2 ), the LED indicators ( Section 6.3 ), and data flow control ( Section 6.4 ).       User-programmable configurations include the Port Logical Name, the...
  • Page 29 For example, if the Number of Printers is 1, Port 1 is the printer port and the remaining ports are computer ports. If the Number of Printers is 3, Ports 1, 2, and 3 are printer ports and the remaining ports are computer ports.
  • Page 30 Printer Select Code. NOTE: In Printer Select Mode 1 (beginning of printing only) the Model 706A and 708A will recognize the printer select code only if the very first characters of the print job contain the printer select code.
  • Page 31  #       NOTE: This section is not applicable to the 706A or 708A models. Print Master will translate for serial devices using different configurations. You may set the baud rate, word size, stop bits, parity and XON/XOFF for each individual serial port. The available values for these parameters are listed in Section 2 (Specifications).

  • Page 32: Assignment

    Print data is stored in the unit's buffer and sent to the printer as it can receive the information. From the factory, Print Master is preset to allow multiple computers to share one printer.

  • Page 33: Quick Reference

    Data is automatically sent to the printer. Print Master can receive print jobs simultaneously from all computers and will send the data to the printer in the same order it was received in the buffer.
  • Page 34 All subsequent print jobs sent without a printer select sequence will be sent to this printer port by default. If you desire to send print jobs to the same printer, there is no need to resend the Printer Select Code and the printer port number.
  • Page 35 NOTE: In Print Select Mode 1, the Model 706A and 708A will recognize the printer select code only if the very first characters of the print job contain the printer select code.
  • Page 36 The characters must be sent in a time period shorter than the designated timeout. In Printer Select Mode 2, a print job is ended when one of the following occurs: No characters are received by Print Master from the computer for the specified input inactivity timeout period.

  • Page 37: The Input Inactivity Timeout

    Printer Select Code followed by a printer port number or the clear buffer command. In Printer Select Mode 1, a print job is ended when no characters are received by Print Master from the computer for the specified input inactivity timeout period.
  • Page 38 The clear buffer sequence may be sent by creating a clear buffer file or program (see Section 6.2.8 ). NOTE: In Print Select Mode 1, the Model 706A and 708A will recognize the printer select code only if the very first characters of the print job contain the printer select code.
  • Page 39 These characters will be trapped by Print Master and not sent to the printer. This method will work only if the text of the print file is sent in an ASCII format.
  • Page 40 ( )    All serial ports on Print Master (except Models 706A and 708A) feature full duplex communication. The timeout interval is based on computer port input inactivity only. Full duplex allows the printer device to transmit a limited amount of data to the connected computer during the input inactivity timeout period.
  • Page 41 (e.g., runs out of paper). Whenever configuration mode for the model 706A or 708A is accessed (see Section 7.1 ), all red activity LEDs will illuminate.
  • Page 42 ###  COMPUTER-TO-PRINT MASTER-TO-PRINTER COMMUNICATION When a computer transmits data to a printer through a Print Master computer port, the data is received and stored in the buffer which in turn retransmits it to the printer through a printer port. During...
  • Page 43 NOTE: Print Master will provide full duplex communication between a computer and printer which are connected through the unit. This section is applicable only when a device that is connected to a printer port is sending data back to a device connected to a computer port.
  • Page 44 DTR (Data Terminal Ready) line or receive an XOFF. When the printer can receive more data, Print Master will expect to see a high on the DTR line or receive an XON.
  • Page 45  #   Print Master has a special option to order for the HP 3000 mini computer. When the HP 3000 sends an HP Laserjet inquiry command, Print Master will respond with an ASCII 0 (30 hex).
  • Page 46 706A or 708A and to program all the various features: Connect a computer with a parallel port such as an IBM PC or compatible to Port 6 of the 706A or Port 8 of the 708A. Connect a printer with a parallel port to Port 1 of either unit.
  • Page 47 (LEDs will go out) and re-send Control-T and the ASCII capital C. From this point on, configuration of the Model 706A or 708A will be menu driven. For illustration purposes, we show the configuration menus for the 706A.
  • Page 48   "        Print Master 706A and 708A will respond to the receiving of Control-T and C by sending to the printer on Port 1 the following identification block and a menu of the configuration options available: Bay Technical Associates...

  • Page 49: Printer Select Code

     "   By responding to the Enter Request: message at the end of the main configuration menu with "1" (Status), you may review the current configuration status of the 706A and 708A. Print Master will respond with: Current Printer Port Configuration...
  • Page 50 By responding to the Enter Request: message at the end of the main configuration menu with "2" (Change Logical Name), you may change the identifying name for the device on each port. Print Master 706A and 708A will respond with: Enter Port Number (1 to 6, 0=Exit), CR: Type the number of the desired port followed by <ENTER>.
  • Page 51 Print Master will automatically disconnect the computer if no characters are received from the computer for the specified timeout period. Print Master 706A and 708A will respond with: Input Inactivity Timeout is...20 seconds Enter Timeout (0 to 200), hit return...: Enter the number of timeout seconds that you wish from 0 to 200, followed by <ENTER>.
  • Page 52 NOTE: Print Master 708A will show the Number of Printer from 1 to IMPORTANT: The lowest-numbered ports on Print Master Models 706A and 708A are reserved as printer ports. The Model 706A has a total of six available ports; as many as five of these ports may be printer ports with the remainder reserved as computer ports.
  • Page 53 By responding to the Enter Request: message at the end of the main configuration menu with "5" (Set Printer Select Code), you may change the Printer Select Code to a user-defined code. The Printer Select Code consists of any character string from 1 to 8 ASCII characters.
  • Page 54 By responding to the Enter Request: message at the end of the main configuration menu with "6" (Set Printer Select Mode), you may change the method of selecting printers. Print Master 706A and 708A will respond with: Select Printer - At the Beginning of Printing Only...1 Anytime While Printing...2...

  • Page 55: Configuration Menu

    (  "  #  By responding to the Enter request: message at the end of the main configuration menu with "8" (Program Header Page Message), you may enable or disable this message and program its content. Print Master will respond with the following: Header Page Message is (OFF): This print job is for: Enter Header Page Message...
  • Page 56        All configuration changes must be made through the master configuration port. This master configuration port has access to all options of the configuration mode. Please use the following procedure to configure your Print Master 700C model: Connect a dumb terminal (or a PC running a terminal emulation program) to the master configuration port which is Port 6 on the 706C, Port 8 on the 708C, Port 10 on the 710C.
  • Page 57 If you do not have a dumb terminal or a terminal emulation program, BayTech supplies a utility diskette which includes software to put an IBM PC or compatible into a terminal mode. See Section 4.2 for instructions to obtain the software (TERM.EXE) by running the INSTALL.EXE program if you have not already done so.
  • Page 58 Revision 3.00 Total Memory : 1024K Bytes Status...1 Set Serial Port Configuration...2 Set Input Inactivity Timeout...3 Set Number of Printers...4 Program Printer Select Code...5 Set Printer Select Mode...6 Set Form Feed Mode...7 Program Header Page Message...8 Exit...X Enter Request: NOTE: Menu selection is case sensitive. It is recommended that...
  • Page 59 By responding to the Enter Request: message at the end of the main configuration menu with "1" (Status), you may review the status of the current configuration of Print Master. Print Master will respond with a menu similar to: Current Printer Port Configuration Port Baud Word...
  • Page 60           By responding to the Enter Request: message at the end of the main configuration menu with "2" (Set Serial Port Configuration), you may change the serial configuration of each port (i.e. baud rate, word size, stop bits, parity, and XON/XOFF). Each port may be configured individually.
  • Page 61 You may now reconfigure Port 5 by selecting the appropriate option from the menu. For example, to change the baud rate to 2400 baud, send character "2" (Set baud rate). Print Master will respond with this menu: 1200 2400 4800 9600 19200 Enter request:...
  • Page 62 CAUTION: If Y is sent before changing the configuration device to the new configuration (baud rate or parity), Print Master will not receive the Y response. However, you will be locked out of Print Master. If this occurs, recycle Print Master power. Print Master's configuration will default back to the last saved configuration.
  • Page 63 0 (zero) seconds, disabling the timeout. CAUTION: Do not set the input inactivity timeout to zero seconds when Printer Select Mode 1 has been selected. Mode 1 recognizes the end of a print job by input inactivity timeout only. It does not recognize a manual disconnect.
  • Page 64 If you configure two printer ports on Print Master 706C, these would be ports 1 and 2. If you configure four printer ports, these would be ports 1, 2, 3, and 4. Printer ports may not be configured in any other order.
  • Page 65 By responding to the Enter Request: message at the end of the main configuration menu with "5" (Program Printer Select Code), you may change the Printer Select Code to a user-defined code. The Printer Select Code consists of any character string from 1 to 8 ASCII characters.
  • Page 66 Printer Select Mode is...2 Enter Printer Select Mode...: You should then enter the Printer Select Mode you want. Print Master will save the new mode permanently in non-volatile memory and return to the main configuration menu ( see Section 7.2.1 ).
  • Page 67 (    #   By responding to the Enter request: message at the end of the main configuration menu with "8" (Program Header Page Message), you may enable or disable this message and program its content. Print Master will respond with: Header Page Message is (OFF): This print job is for: Enter Header Page Message...
  • Page 68 !!        All configuration changes must be made through the master configuration port. This master configuration port has access to all options of configuration mode. Please use the following procedure to configure your Print Master 700D, 700E, or 700F model: Connect a dumb terminal (or a PC running a terminal emulation program) to the master configuration port which is Port 6 on the 706D and 706E;...
  • Page 69 If you do not have a dumb terminal or a terminal emulation program, BayTech supplies a utility diskette which includes software to put an IBM PC or compatible into a terminal mode. See Section 4.2 for instructions to obtain the software (TERM.EXE) by running the INSTALL.EXE program if you have not already done so.
  • Page 70 Total Memory : 1024K Bytes Status...1 Set Serial Port Configuration...2 Change Port Logical Name...3 Set Port Assignment...4 Set Input Inactivity Timeout...5 Program Printer Select Code...6 Set Printer Select Mode...7 Set Form Feed Mode...8 Program Header Page Message...9 Exit...X Enter Request:...
  • Page 71 9600 9600 Press any Key to continue Input inactivity timeout is...20 seconds Number of printers is...1 Printer Select Code is...$PRINTER Printer Select Mode is...2 Form Feed Mode is...1 Header Page Message is (OFF): This print job is for : Status...1 Set Serial Port Configuration...2...
  • Page 72  !!           By responding to the Enter Request: message at the end of the main configuration menu with "2" (Set Serial Port Configuration), you may change the configuration of each serial port (i.e. baud rate, word size, stop bits, parity, and XON/XOFF). Each port may be configured individually.
  • Page 73 You may now reconfigure Port 5 by selecting the appropriate option (1-6) from the menu. For example, to change the baud rate to 2400 baud, send character "2" (Set baud rate). Print Master will respond with this menu: 1200 2400 4800 9600 19200...
  • Page 74 CAUTION: If "Y" is sent before changing the configuration device to the new configuration (baud rate or parity), Print Master will not receive the "Y" response. However, you will be locked out of Print Master. If this occurs, recycle Print Master power. Print Master's configuration will default back to the last saved configuration.
  • Page 75 <ENTER> and repeat the above procedure. If no additional changes are desired, type "0" (zero) and <ENTER>. Print Master will save the new logical names permanently in non-volatile memory and return to the main configuration menu (see Section 7.3.1 ). Port Printer Assignt Assignt Computer Port Printer...
  • Page 76 Parall Change to Printer or Computer port? (P/C): Enter capital P if you wish this port to be a printer port. Enter capital C if you wish this port to be a computer port. For example, if you enter "P", Print Master will respond with:...
  • Page 77 NOTE: At least one port must always be designated as a printer port. If the port number you enter is the only assigned printer port, Print Master will prevent you from reassigning that port and will prompt you with a message similar to:...
  • Page 78 CAUTION: Do not set the input inactivity timeout to zero seconds when Printer Select Mode 1 has been selected. Mode 1 recognizes the end of a print job by input inactivity timeout only. It does not recognize a manual disconnect.
  • Page 79 By responding to the Enter Request: message at the end of the main configuration menu with "6" (Program Printer Select Code), you may change the Printer Select Code to a user-defined code. The Printer Select Code consists of any character string from 1 to 8 ASCII characters.
  • Page 80 Anytime While Printing...2 Printer Select Mode is...2 Enter Printer Select Mode...: Enter the Printer Select Mode you want. Print Master will save the new Printer Select Mode permanently in non-volatile memory and return to the main configuration menu (see Section 7.3.1 ).
  • Page 81  !!    #  By responding to the Enter request: message at the end of the main configuration menu with "9" (Program Header Page Message), you may enable or disable this message and program its content. Print Master will respond with: Header Page Message is (OFF): This print job is for: Enter Header Page Message...
  • Page 82 "    Since there are no adjustments and no moving parts in Print Master, preventative maintenance is unnecessary. If you find it necessary to return Print Master to the factory for warranty work or factory-set changes, follow the procedure listed under Section 9 for repacking.
  • Page 83 #   In the event that you have problems with your Print Master, BayTech has a staff of applications engineers on duty to assist you from 7 am to 6 pm (CST or CDT), Monday through Friday. IMPORTANT: Before you call BayTech Technical Support, please check the Troubleshooting section of this manual (see Appendix C ).
  • Page 84 If you have questions that are not answered in this manual, please contact BayTech Technical Support for assistance. Bay Technical Associates, Inc. 200 N. Second Street, P.O. Box 387 Bay Saint Louis, Mississippi 39520 U.S.A. Phone: 228/467-8231 or 800/523-2702 FAX: 228/467-4551 Web Site: www.
  • Page 85                 * This equipment generates, uses, and can radiate radio frequency energy; and, if not installed and used properly (that is, in strict accordance with the manufacturer's instructions) may cause interference to radio and television reception. The equipment has been type tested and found to comply within the limits for a Class A computing device in accordance with the specifications in Subpart J of Part 15 of FCC rules, which are designed to provide reasonable...
  • Page 86  )        !  ) !  %     +, RECOMMENDED CABLING USING HARDWARE OR XON/XOFF HANDSHAKING PC DTE FEMALE DB-25 MINIMUM CABLING USING XON/XOFF HANDSHAKING PC DTE FEMALE DB-25 MODEL 700 DCE MALE DB-25 MODEL 700 DCE MALE DB-25...
  • Page 87 MINIMUM CABLING USING HARDWARE HANDSHAKING PC DTE MODEL 700 DCE FEMALE DB-25 MALE DB-25...
  • Page 88           +(, RECOMMENDED CABLING USING HARDWARE OR XON/XOFF HANDSHAKING PC DTE FEMALE DE-9 MINIMUM CABLING USING XON/XOFF HANDSHAKING PC DTE FEMALE DE-9 MODEL 700 DCE MALE DB-25 MODEL 700 DCE MALE DB-25...
  • Page 89 MINIMUM CABLING USING HARDWARE HANDSHAKING PC DTE MODEL 700 DCE FEMALE DE-9 MALE DB-25...
  • Page 90 MALE DB-25 NOTE: You may eliminate the Pin 20 to Pin 20 connection if you wish to use 3 wires and XON/XOFF handshaking only. You may use the pinouts above for any HP Draft Master plotter. HP LASERJET FEMALE DB-25 PGND >...
  • Page 91              PRINT MASTER MALE DB-25 PRINTER 36-PIN CENTRONICS STROBE DATA 0 DATA 1 DATA 2 DATA 3 DATA 4 DATA 5 DATA 6 DATA 7 ACKNOWLEDGE BUSY PAPER OUT SELECT AUTO FEED/OV ERROR INIT PRINTER SELECT INPUT/OV...
  • Page 92 700C MODELS - MODULAR CABLING COMPUTER INTERFACE To interface your computers or terminals to Print Master refer to the RJ-45 adapter drawings below. Refer to Figure 6 if your computers or terminals have DB-25 male connectors. Refer to Figure 7 if your computers have DE-9 male connectors.
  • Page 93 PRINTER/PLOTTER INTERFACE To interface your EIA-232 serial printers or plotters to Print Master refer to Figure 8 . BLUE ORANGE BLACK GREEN RJ-45 YELLOW BROWN GRAY Figure 8          $ !" IMPORTANT: When modular connectors are used as shown in Figures 6 - 8 above, crossed RJ-45 cables are required.
  • Page 94 ID number is used to direct a print job to a specific 710 model in a cascaded chain of units and is very similar to the printer assignment number described in Section 6.2.2 . Ports 9 and 10 of each unit are reserved as cascading ports.
  • Page 95 9, Port 10 will match this configuration automatically and vice versa. This is not applicable on the 710E or 710F units. Cascaded 710 units must be configured with the same Printer Select Code. Cascaded units should operate in Printer Select Mode 2.
  • Page 96 Total Memory : 0512K Bytes Status...1 Set Serial Port Configuration...2 Change Port Logical Name...3 Set Port Assignment...4 Set Input Inactivity Timeout...5 Program Printer Select Code...6 Set Printer Select Mode...7 Set Form Feed Mode...8 Program Header Page Message...9 Set Unit I.D. Number...A Exit...X Enter Request: All listings in the above menu except Set Unit I.D.
  • Page 97 9600 Strike any Key to Continue, or X to Exit Time Out is...20 Seconds Number of Printers is...1 Printer Select Code is...$PRINTER Printer Select Mode is...2 Form Feed Mode is...1 Header Page Message is ( OFF): This Print Job is for : Unit Identification Number is ...1...
  • Page 98   (     By responding to the Enter request: message at the end of the main configuration menu with "A" for models 710E and 710F or "9" for model 710C (Set Unit I.D. Number), you may set the Unit ID number which is used to determine which unit in the cascaded chain a print job will be sent to.
  • Page 99 Printer Select Code. EXAMPLE 1: If a computer connected to unit number 1 wishes to print to a printer connected to port 5 of unit number 4, the computer would send $PRINTER45. EXAMPLE 2: If a computer connected to Unit number 2 wishes to send data to any printer connected to Unit 3 (contention mode), the computer would send $PRINTER30.
  • Page 100 All subsequent print jobs sent without a printer select sequence will be sent to this unit/printer port by default. If you desire to send print jobs to the same printer, the Printer Select Code, Unit ID Number, and printer port number do not need to be sent again.
  • Page 101  )  #  Please check this troubleshooting guide before calling BayTech Tech Support. NOTE: This troubleshooting guide is geared towards the IBM PC family and compatibles. The term "PC" as used below refers to any IBM PC, AT, XT or compatible. PROBLEM: DATA DOES NOT PRINT SYMPTOM: NO PORT LEDs ILLUMINATE CAUSE: PC serial cable or COM port.
  • Page 102 CTS/DSR lines toggle if you are on a non-designated COM port. CAUSE: PC is connected to Print Master port which is configured as an printer port. SOLUTION: Enter Print Master's configuration mode and in the Status menu, check the port's assignment.
  • Page 103 PROBLEM: DATA DOES NOT PRINT SYMPTOM: PC AND PRINTER PORT LEDs ILLUMINATE CAUSE: Printer cable. SOLUTION: Use the correct parallel or serial cable between Print Master and printer (see Appendix A ). CAUSE: Printer is off-line. SOLUTION: Make sure printer is on-line CAUSE: Serial parameters do not match between Print Master and computer or printer.
  • Page 104 A way to check is to force an error condition at the printer (i.e. remove paper tray from laser printer or turn off-line with power still applied). Send print job to printer. If printer LED goes off, you can conclude no handshaking was done.
  • Page 105 CAUSE: Cable. SOLUTION: Use correct serial cable between PC and Print Master. Check handshaking lines in TERM program. On 706A unit, check parallel cable between Print Master and printer. CAUSE: Serial port configuration. SOLUTION: Match baud rate, word size, stop bits, parity and handshaking lines between Print Master and PC.
  • Page 106 PROBLEM: CANNOT SELECT PRINTER CAUSE: Port selection. SOLUTION: Printer Select Code may be sent out on wrong port (e.g. Printer Select Code is going out COM1 and Print Master is connected to COM2). Also make sure selected port is designated as a printer port and not as a computer port.
  • Page 107 CAUSE: You are in Printer Select Mode 1 with zero (0) timeout. SOLUTION: Switch to Printer Select Mode 2 or increase timeout, both via configuration mode. NOTE: Any select sequence will not be recognized after 16 characters in Printer Select Mode 1.
  • Page 108 PROBLEM: PRINT JOBS ARE LOST WHEN MORE THAN ONE USER IS SENDING PRINT JOBS. CAUSE: Printer port is not connected to a printer or is connected to a powered-down printer. Data sent to a non-connected printer port or a powered-down printer will be lost.
  • Page 109 PROBLEM: HOT KEY SOFTWARE HANGS UP PC WHEN EXECUTED. CAUSE: LPTX not rerouted for serial communication. SOLUTION: Reroute LPTX using this command: MODE LPTX:=COMX. X=1, 2 or 3. CAUSE: Floating condition on DSR or CTS lines. SOLUTION: Use the TERM program to check handshaking lines.
  • Page 110  ) )  Antenna 77 ASCII 4, 22, 31, 37, 39, 45, 48, 57, 60, 71 Asynchronous 3 Autoexec 9, 13, 14  Baud rate 2-4, 8, 12, 23, 48, 49, 52-54, 60, 61, 64, 65, 66, 87, 96, 97 Buffer 1, 4, 16, 24, 25, 27-30, 32, 34-37, 92  Cable 8, 15, 17, 49, 50, 61, 62, 77, 85, 91, 93, 95, 96, 97, 101...
  • Page 111 Control-C 47, 59, 73 Control-T 39, 40, 48, 50, 60, 62, 88, 97 CTS 5, 16, 17, 19, 29, 34, 36, 49, 50, 61, 62, 93, 94, 96, 101  Data Communication Equipment 16 Data flow control 20, 34 Data Terminal Equipment 16 DB-25 5, 8, 15, 16, 78-84 DCD 16, 17, 49, 50, 61, 62, 93, 101 DCE 5, 8, 16, 17, 78-82, 93...

  • Page 112: Inactivity Timeout

     Factory default 7, 9, 14, 20-24, 33, 91 FAX 76 FCC 77 Floating condition 101 Form feed mode 2-4, 12, 20, 23, 40, 41, 46, 50, 51, 58, 62, 63, 72, 88, 89 Full duplex communication 3, 25, 32, 35, 37, 49, 61 !# GND 19 Guarantee 77...
  • Page 113 $!! Jumpers 93 Laserjet 3, 2, 37, 42, 82 LED 5, 12, 20, 33, 39, 48, 60, 93, 96 LEDs 5, 33, 39, 48, 60, 93, 95, 98 Logical name 3, 4, 12, 20, 24, 40-42, 52-54, 62, 63, 67, 88 LPT 94 LPTx 9, 13, 94, 101 ...

  • Page 114: Printers

    Printer contention 27, 44, 56 Printer contention mode 44, 56 Printer port 3, 4, 7, 9, 12, 21, 22, 24, 26, 27, 29, 31, 33-37, 41, 43, 51, 68, 69, 91, 92, 94, 95, 98, 100 Printer port number 22, 26, 27, 29, 31, 43, 91, 92...
  • Page 115 ! Queued 28 Rack-mount 5 RAM 54, 66 Ramexec 9, 11, 13, 14 Readme 9, 11, 13 Recommended cabling 15, 18, 78, 80, 82 Repacking 74 Return authorization 74 Returns 74 RJ-45 5, 15, 19, 84, 85 RTS 16, 17, 19, 49, 50, 61, 62 RX 16, 17, 19  Serial number 75...
  • Page 116  Tech support 93 Technical Support 9, 75, 76, 95 Television 77 Telex 76 Term 8, 48-50, 60-62, 93, 94, 97, 98, 101 Terminal emulation program 48-50, 60-62, 98 Time-out 39, 55 Timeout 2-4, 12, 20, 23, 28-30, 32, 33, 40, 41, 43, 50, 51, 55, 60, 62, 63, 70, 88, 99, 100 Troubleshooting 75, 93 Tx 16, 17, 19...

  • Page 117: Mode

    Models come in six, eight, and ten port sizes. All have a 1 MB, dynamically allocated buffer that may be expanded to 2 MB. The 706A and 708A all parallel port models feature super fast throughput (up to 33,000 characters per second) and an expandable buffer size up to 4 MB.
  • Page 118 LaserShare is an intelligent printer controller that allows up to four or eight computers to send data to a single HP LaserJet Series II, IID, III, IIID, Brother HL8e* and HL8v*, or Wang LDP8 laser printer. LaserShare MIO installs into the HP LaserJet Series IIISi, Series 4, and Series 4SI and will support serial speeds up to 460K bps.
  • Page 119 Tran-x LPT-460 card plugs directly into your PC expansion slot. Tran-x PS-02 connects to your PC's parallel port. Tran-x SP-01 connects to the Centronics connector of a parallel printer. Tran-x PS- 02 connects to the DB-25 parallel port of the BayTech 700 Series Print Master or 800 Series Print Master II peripheral sharing units.

  • Page 120: Full Duplex Communication

    Telplex Model TX104M is an asynchronous statistical multiplexer with built-in modem. Four individual communications channels are multiplexed into a single dial-up or leased telephone line, cutting phone line costs to a minimum. The TX104M features a V.22 bis internal modem which provides reliable communication at speeds up to 4800 bps.
  • Page 121 500 SERIES MULTIPORT CONTROLLERS Included in the 500 Series line of multiport controllers are units intended for the following applications: Port Expansion (A-Series): Allows a single serial port on a computer to individually access up to 17 peripheral devices with full duplex communication.
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