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Model 24SII Main Board
Models:
24SII
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Troubleshooting
DTE Port Signals
Factory default is $SELECT
1 RJ-45 8-WIRE Cabling
Problem Symptom Cause Solution
Model 24SII Unit Assembly
Mode COMx 9600,n,8,1,P
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D.3 MODEL 24SII MAIN BOARD
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Contents
Model 24SII Data Exchange System
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Copyright 1992 by Bay Technical Associates, Inc
Table of Contents
EIA-232 Ports Using Bidirectional Printer Sharing Mode
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Between M24SII-V03 I/O Module
Appendix B Model 24SII Module Installation
Appendix E Troubleshooting
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Single ChannelBus Speed 5.5M bps
Factory POWER-UP Default Configurations
Word size* 7 or 8 bits
Modules Port High Speed Serial EIA-232 DES
Port High Speed Parallel DES
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DES
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Input Inactivity Timeout 20 seconds Port Select Code $SELECT
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Refer to for in-depth instructions on configuration options
XON/XOFF
Print JOB to
This command should be part of your AUTOEXEC.BAT program
Mode COMx 9600,n,8,1,P
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DB-25 Standard Centronics TTL Levels
DTE Port Signals
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DTE Model 24 to DCE Device
DCE Port Signals
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# #$
RJ-45 Receptacle
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DTR/HSO
M24SII-V07 EIA-422 8-wire Connection
RJ-11 PIN-OUT Information
Computer Ports
Printer Ports
M24SII-V07 EIA-422 4-wire Connection
HSO+
HSO+ HSI+ RX+ TX+
TX+ RX+ HSI HSO HSI+ HSO+
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Factory default configuration for Number of Printers is
Factory default is $SELECT
Factory default is 20 seconds
Factory default is no form feed
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Between Computer and Peripheral Through Model 24SII
+!+
Between Computer and Peripheral Through Model 24SII
Echo $PRINTER22LPT1
###
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Set Port Designation
Program Port Logical Name
Enter Request
Strike any Key to Continue, or X to Exit Port Select Code is
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Main IBM
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Enter P for Printer, C for Computer, Enter for no change
Number of Printers is Enter Number of Printers 1 to
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XON/XOFF
For
Model 24SII DES will respond with
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Enter Port Number ENTER=Exit
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Enter Request
Enter Port Number ENTER=Exit
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Message Switch is Enter 1 for on For OFF Enter for no change
Enter Port Number ENTER=Exit
After
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Default Port is Enter New Value To 4, or Enter for no change
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20402
DCD DCD
TXD
20 DTR
Female DB-9
Model 24 DTE HP Laserjet Female DB-25 Male DB-25
Minimum Cabling Using Hardware Handshaking
Between Model 24SII and ANY Centronics Printer
Modular Cabling Using M24SII-V06A I/O Module
PRINTER/PLOTTER Interface
Modem Interface
Protocol Selection and External Power
Modular Cabling Using M24SII-V07 Module
1 RJ-45 8-WIRE Cabling
PC, PS/2 Computer/Terminal Adapter BayTech Part No FRJ11PC-X
Printer/Plotter Adapter BayTech Part No MRJ11PR-X
Computer Interface
PRINTER/PLOTTER Interface
4 RJ-11 4-WIRE Cabling Using EIA-422 Protocol
#00 1+-2&+# %10 #
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Model 24SII Memory Module Installation
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M24SII-M02 Buffer Expansion Simm Installation
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Model 24SII Main Board Eprom Upgrade
Model 24SII Memory Module Eprom Upgrade
Model 24SII I/O Module Eprom Upgrade
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Appendix D Mechanical Layouts Model 24SII Front Panel
Model 24SII Unit Assembly
Model 24SII Main Board
M24SII-M01 Memory Board Assembly
M24SII-M02 Memory Board Assembly
I/O Module M24SII-V02 4 Parallel Ports
High Speed Serial Ports Main Board
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Appendix E Troubleshooting
Problem Symptom Cause Solution
Problem Symptom Cause Solution
IRQ3
Ramexec
Problem Symptom Cause Solution
24SII DES
Appendix F Index
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Other Baytech Products
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Series Multiport Controllers
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