BayTech 24SII User manual

OWNER'S MANUAL
MODEL 24SII
DATA EXCHANGE
SYSTEM
Rev. 2.00
BayTech publication #U140E084-01

Thank you for selecting a BayTech Model 24SII Data Exchange
System.
The data provided in this Owner's Manual explains the various ways
you can operate your unit and configure it to your computer system.
We suggest that you read this manual carefully before attempting to
install the Model 24SII and that you place special emphasis on correct
cabling and configuration. If you have any problems with your
installation, please contact a BayTech applications engineer for
assistance toll-free at 1-800-523-2702.
BayTech also manufactures data communications devices that
provide port sharing and expansion, networking, port contention,
buffered and non-buffered printer sharing; modems and multiplexers.
If you would like information on any of these models, please contact
BayTech Customer Service. A brief description of other BayTech
products is included in the back of this owner's manual.
We welcome any comments you may have about our products and
hope you will continue to look to BayTech for your data
communications needs.

NOTE: The information contained in this document is subject to
change without notice.
Copyright 1992 by Bay Technical Associates, Inc.
LaserShare, Print Master, Telplex, and Tran  x are registered
trademarks of Bay Technical Associates, Inc.
IBM, IBM PC, IBM PC/AT, IBM PC/XT are products and registered
trademarks of International Business Machines Corporation.
Hewlett-Packard LaserJet and Draftmaster I Plotter are products and
registered trademarks of the Hewlett-Packard Company.
WordPerfect is a product of WordPerfect, Inc.
WordStar is a registered trademark of MicroPro International Corp.
Windows is a registered trademark of Microsoft Corp.
All products or company names are trademarks of their respective
holders.

TABLE OF CONTENTS
1 GENERAL INFORMATION.............................................. 1
2 SPECIFICATIONS........................................................... 5
3 QUICK START............................................................... 10
4 INSTALLATION ............................................................. 12
4.1 UNPACKING....................................................... 12
4.2 BAYTECH SOFTWARE UTILITY DISKETTE..... 12
4.3 POWER............................................................... 14
4.4 CABLING PRELIMINARIES................................ 14
4.5 FACTORY DEFAULT CONFIGURATION .......... 15
4.6 CONFIGURATION PROCEDURE ...................... 16
4.7 PC SET-UP......................................................... 23
5 CABLING....................................................................... 25
5.1 PARALLEL PORTS............................................. 25
5.2 I/O MODULES M24SII-V01 AND M24SII-V03:
EIA-232 SERIAL PORTS WITH DB-25 MALE
DTE CONNECTORS........................................... 27
5.3 I/O MODULE M24SII-V04:
EIA-232 SERIAL PORTS WITH DB-25 FEMALE DCE
CONNECTORS................................................... 30
5.4 I/O MODULE M24SII-V06A: EIA-232 SERIAL
PORTS WITH RJ-45 MODULAR CONNECTORS 33

5.5 I/O MODULE M24SII-V07:
EIA-232/EIA-422 SERIAL PORTS WITH
RJ-45/RJ-11 MODULAR CONNECTORS........... 35
5.5.1 8-WIRE CONDUCTOR OPERATION....... 36
5.5.2 4-WIRE CONDUCTOR OPERATION....... 38
5.5.2.1 EIA-232 PORTS USING
BIDIRECTIONAL PRINTER
SHARING MODE................ 38
5.5.2.2 EIA-232 PORTS USING
UNIDIRECTIONAL PRINTER
SHARING MODE................ 39
5.5.2.3 EIA-422 PORTS USING
BIDIRECTIONAL PRINTER
SHARING MODE................ 41
5.5.2.4 EIA-422 PORTS USING
UNIDIRECTIONAL PRINTER
SHARING MODE................ 42
6 USER-PROGRAMMABLE FEATURES......................... 46
6.1 PORT LOGICAL NAME ...................................... 46
6.2 PORT DESIGNATION......................................... 46
6.3 NUMBER OF PRINTERS (M24SII-V02 HIGH
SPEED PARALLEL MODULE ONLY)................. 47
6.4 PORT SELECT CODE........................................ 47
6.5 PORT SELECT MODE........................................ 48
6.6 SERIAL PORT CONFIGURATION...................... 49
6.7 INPUT INACTIVITY TIMEOUT............................ 49
6.8 FORM FEED....................................................... 50
6.9 I.D. PAGE MESSAGE......................................... 50
6.10 DEFAULT PRINTER ASSIGNMENT................... 50

7 OPERATION.................................................................. 51
7.1 COMPUTER-TO-PERIPHERAL OPERATION.... 51
7.1.1 SHARING A SINGLE PERIPHERAL........ 51
7.1.2 CONTENDING FOR MULTIPLE
PERIPHERALS ........................................ 52
7.1.3 SPECIFIED SHARING OF MULTIPLE
PERIPHERALS ........................................ 53
7.1.4 BEGINNING AND ENDING A PRINT JOB 54
7.1.5 BUFFERING OF PRINT DATA................. 55
7.1.6 BUFFER CLEARING................................ 57
7.1.7 MINIMUM SIZE PRINT JOB..................... 57
7.2 COMPUTER-TO-COMPUTER OPERATIONS ... 57
7.2.1 INITIATING A COMPUTER-TO-
COMPUTER CONNECTION.................... 57
7.2.2 FILE TRANSFER...................................... 58
7.2.3 MODEM SHARING................................... 59
7.3 DATA FLOW CONTROL..................................... 61
7.3.1 HARDWARE HANDSHAKING ................. 61
7.3.2 XON/XOFF HANDSHAKING.................... 62
7.4 APPLICATION NOTE.......................................... 64
7.5 HP 3000 OPTION................................................ 65
8 CONFIGURATION......................................................... 66
8.1 MAIN CONFIGURATION MENU......................... 69
8.2 STATUS.............................................................. 71
8.3 PROGRAM PORT LOGICAL NAME................... 73
8.4 SET PORT DESIGNATION................................. 75
8.5 SET NUMBER OF PRINTERS (M24SII-V02
HIGH SPEED PARALLEL MODULE).................. 77
8.6 PROGRAM PORT SELECT CODE..................... 78
8.7 SET PORT SELECT MODE................................ 79
8.8 SET SERIAL PORT CONFIGURATION.............. 80
8.9 SET INPUT INACTIVITY TIMEOUT.................... 85

8.10 ENABLE/DISABLE FORM FEED MODE............ 87
8.11 PROGRAM I.D. PAGE MESSAGE...................... 89
8.12 ENABLE/DISABLE I.D. PAGE MESSAGE.......... 90
8.13 SELECT PRINT SCHEDULE FOR I.D. PAGE.... 92
8.14 PROGRAM DEFAULT PRINTER ASSIGNMENT 94
8.15 PROGRAM MODULE PRINTER SHARING
MODE.................................................................. 96
8.16 EXIT .................................................................... 96
9 MAINTENANCE............................................................. 97
10 REPACKING FOR SHIPPING....................................... 97
11 TECHNICAL SUPPORT ................................................ 98
12 FEDERAL COMMUNICATIONS COMMISSION RADIO
FREQUENCY INTERFACE STATEMENT..................... 99

APPENDIX A
CABLING TO MODEL 24SII................................................... 100
A.1 BETWEEN M24SII-V03 I/O MODULE AND IBM
PC OR PS/2 (DB-25)......................................... 100
A.2 BETWEEN M24SII-V03 I/O MODULE AND
IBM AT (DE-9)................................................... 102
A.3 BETWEEN M24SII-V03 I/O MODULE AND
HEWLETT PACKARD LASERJET ................... 104
A.4 BETWEEN MODEL 24SII AND ANY
CENTRONICS PRINTER.................................. 106
A.5 MODULAR CABLING USING M24SII-V06A I/O
MODULE........................................................... 107
A.6 M24SII-V07 I/O MODULE - EIA-422/EIA-232
PROTOCOL SELECTION................................. 110
A.7 MODULAR CABLING USING M24SII-V07 I/O
MODULE........................................................... 111
A.7.1 RJ-45 (8-WIRE) CABLING..................... 111
A.7.2 RJ-11 (4-WIRE) CABLING USING EIA-232
PROTOCOL AND BIDIRECTIONAL
PRINTER SHARING MODE................... 112
A.7.3 RJ-11 (4-WIRE) CABLING USING EIA-232
PROTOCOL AND UNIDIRECTIONAL
PRINTER SHARING MODE................... 114
A.7.4 RJ-11 (4-WIRE) CABLING USING EIA-422
PROTOCOL ........................................... 116

APPENDIX B
MODEL 24SII MODULE INSTALLATION............................... 117
B.1 MODEL 24SII I/O MODULE INSTALLATION.... 117
B.2 MODEL 24SII MEMORY MODULE
INSTALLATION................................................. 119
APPENDIX C
BUFFER EXPANSION/EPROM UPGRADE........................... 121
C.1 M24SII-M01 BUFFER EXPANSION ZIP
MODULE INSTALLATION ................................ 121
C.2 M24SII-M02 BUFFER EXPANSION SIMM
INSTALLATION................................................. 123
C.3 MODEL 24SII MAIN BOARD EPROM UPGRADE 125
C.4 MODEL 24SII MEMORY MODULE EPROM
UPGRADE......................................................... 126
C.5 MODEL 24SII I/O MODULE EPROM UPGRADE 127
APPENDIX D
MECHANICAL LAYOUTS....................................................... 129
D.1 MODEL 24SII FRONT PANEL.......................... 129
D.2 MODEL 24SII UNIT ASSEMBLY ...................... 130
D.3 MODEL 24SII MAIN BOARD ............................ 131
D.4 M24SII-M01 MEMORY BOARD ASSEMBLY.... 132
D.5 M24SII-M02 MEMORY BOARD ASSEMBLY.... 133
D.6 I/O MODULE: 4 PARALLEL PORTS
(BAYTECH P/N M24SII-V02)............................ 134
D.7 I/O MODULE: 4 HIGH SPEED SERIAL PORTS
(BAYTECH P/N M24SII-V03/V06/V08) ............. 135
D.8 I/O MODULE: 4 HIGH SPEED SERIAL PORTS
(BAYTECH P/N M24SII-V07)............................ 136

APPENDIX E
TROUBLESHOOTING............................................................ 137
APPENDIX F
INDEX..................................................................................... 143