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3Com DUA1800-0AAA04 RS232 Serial Port - Pin Assignments, Status Input Connector

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DUA1800-0AAA04

RS232 Serial Port - Pin Assignments D-5

RS232 Serial Port - Pin AssignmentsStatus Input Connector

Pin Number Signal Function

1Ground Protective Ground

2TxData Transmit Data

3 RxData, Receive Data

4RTS Request To Send

5CTS Clear To Send

6DSR Data Set Ready

7Ground Signal Ground

8DCD Data Carrier Detect

20 DTR Data Terminal Ready

22 RI Ring In

Chassis.bk : APPENDD Page 5 Monday, February 10, 1997 1:11 PM

Contents

Main Chassis.bk : FRONT Page 2 Monday, February 10, 1997 1:11 PM C 1 2 3 Chassis.bk : CHASSIS.TOC Page 4 Monday, February 10, 1997 1:11 PM 4 5 A B C D E F Chassis.bk : CHASSIS.TOC Page 6 Monday, February 10, 1997 1:11 PM I RADIO FREQUENCY INTERFERENCE STATEMENTS LIMITED WARRANTY ABOUT THIS GUIDE Chassis.bk : PREFACE Page ix Monday, February 10, 1997 1:11 PM About This Guide A Word About Safety Special Messages Chassis.bk : PREFACE Page x Monday, February 10, 1997 1:11 PM How to Use This Guide 1 Chassis.bk : CHAPTER1 Page 1 Monday, February 10, 1997 1:11 PM MSH? The LinkBuilder MSH Page Chassis.bk : CHAPTER1 Page 3 Monday, February 10, 1997 1:11 PM The Chassis Chassis.bk : CHAPTER1 Page 4 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER1 Page 5 Monday, February 10, 1997 1:11 PM The Backplane Chassis.bk : CHAPTER1 Page 6 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER1 Page 7 Monday, February 10, 1997 1:11 PM The Modules Chassis.bk : CHAPTER1 Page 8 Monday, February 10, 1997 1:11 PM Power Supply Units (PSU) Chassis.bk : CHAPTER1 Page 9 Monday, February 10, 1997 1:11 PM The Thermal Management Unit (TMU) Chassis.bk : CHAPTER1 Page 10 Monday, February 10, 1997 1:11 PM The Cable Support Tray Management Of The LinkBuilder MSH Chassis.bk : CHAPTER1 Page 11 Monday, February 10, 1997 1:11 PM Page 2 Chassis.bk : CHAPTER2 Page 1 Monday, February 10, 1997 1:11 PM MSH Chassis.bk : CHAPTER2 Page 2 Monday, February 10, 1997 1:11 PM A Suitable Site For Installation Installing The Chassis Chassis.bk : CHAPTER2 Page 3 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER2 Page 4 Monday, February 10, 1997 1:11 PM Installation Into A 19 Inch Rack Chassis.bk : CHAPTER2 Page 5 Monday, February 10, 1997 1:11 PM The Locking Bar Assembling The LinkBuilder MSH Chassis.bk : CHAPTER2 Page 6 Monday, February 10, 1997 1:11 PM Safety Information Chassis.bk : CHAPTER2 Page 7 Monday, February 10, 1997 1:11 PM The Power Supply Unit And Power Inlet Panel Chassis.bk : CHAPTER2 Page 8 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER2 Page 9 Monday, February 10, 1997 1:11 PM Installing The Power Supply Unit Chassis.bk : CHAPTER2 Page 10 Monday, February 10, 1997 1:11 PM Page Chassis.bk : CHAPTER2 Page 12 Monday, February 10, 1997 1:11 PM Removing The Power Supply Unit Chassis.bk : CHAPTER2 Page 13 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER2 Page 14 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER2 Page 15 Monday, February 10, 1997 1:11 PM Removing The Display Panel Chassis.bk : CHAPTER2 Page 16 Monday, February 10, 1997 1:11 PM The Thermal Management Unit Chassis.bk : CHAPTER2 Page 17 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER2 Page 18 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER2 Page 19 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER2 Page 20 Monday, February 10, 1997 1:11 PM The Cable Support Tray Chassis.bk : CHAPTER2 Page 21 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER2 Page 22 Monday, February 10, 1997 1:11 PM Completing The Installation Chassis.bk : CHAPTER2 Page 23 Monday, February 10, 1997 1:11 PM Network Cabling Power-up The LinkBuilder MSH Storing The User Guides Chassis.bk : CHAPTER2 Page 24 Monday, February 10, 1997 1:11 PM Page 3 Chassis.bk : CHAPTER3 Page 1 Monday, February 10, 1997 1:11 PM MSH C Chassis.bk : CHAPTER3 Page 2 Monday, February 10, 1997 1:11 PM Ethernet Modules Chassis.bk : CHAPTER3 Page 3 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER3 Page 4 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER3 Page 5 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER3 Page 6 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER3 Page 7 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER3 Page 8 Monday, February 10, 1997 1:11 PM 3-8 CHAPTER 3: INSTALLING MODULES INTO THE MSH CHASSIS Figure 3-3 Using transceiver modules Chassis.bk : CHAPTER3 Page 9 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER3 Page 10 Monday, February 10, 1997 1:11 PM Token Ring Modules Chassis.bk : CHAPTER3 Page 11 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER3 Page 12 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER3 Page 13 Monday, February 10, 1997 1:11 PM FDDI Modules Chassis.bk : CHAPTER3 Page 14 Monday, February 10, 1997 1:11 PM Handling Modules Chassis.bk : CHAPTER3 Page 15 Monday, February 10, 1997 1:11 PM Before You Begin Chassis.bk : CHAPTER3 Page 16 Monday, February 10, 1997 1:11 PM Blanking Plates Choosing Slots For Modules LinkBuilder MSH Modules Chassis.bk : CHAPTER3 Page 17 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER3 Page 18 Monday, February 10, 1997 1:11 PM Installing/Removing A Module Page Chassis.bk : CHAPTER3 Page 20 Monday, February 10, 1997 1:11 PM Removing A Module LinkBuilder ECS Modules Chassis.bk : CHAPTER3 Page 21 Monday, February 10, 1997 1:11 PM Installing/Removing LinkBuilder ECS Modules Chassis.bk : CHAPTER3 Page 22 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER3 Page 23 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER3 Page 24 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER3 Page 25 Monday, February 10, 1997 1:11 PM Page 4 Chassis.bk : CHAPTER4 Page 1 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER4 Page 2 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER4 Page 3 Monday, February 10, 1997 1:11 PM The LEDs Chassis.bk : CHAPTER4 Page 4 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER4 Page 5 Monday, February 10, 1997 1:11 PM Testing LEDs Resetting The LinkBuilder MSH Chassis.bk : CHAPTER4 Page 6 Monday, February 10, 1997 1:11 PM Management The Four-button Keypad Chassis.bk : CHAPTER4 Page 7 Monday, February 10, 1997 1:11 PM The RS232 Serial Port The Network Manager Page 5 Chassis.bk : CHAPTER5 Page 1 Monday, February 10, 1997 1:11 PM Spares Spot Checks Chassis.bk : CHAPTER5 Page 2 Monday, February 10, 1997 1:11 PM Chassis.bk : CHAPTER5 Page 3 Monday, February 10, 1997 1:11 PM Cleaning Removing And Replacing Equipment Fault Diagnosis Using The LEDs Chassis.bk : CHAPTER5 Page 4 Monday, February 10, 1997 1:11 PM Obtaining Help Chassis.bk : CHAPTER5 Page 5 Monday, February 10, 1997 1:11 PM Page A Chassis.bk : APPENDA Page 1 Monday, February 10, 1997 1:11 PM Standards and Approvals Safety Environmental Chassis.bk : APPENDA Page 2 Monday, February 10, 1997 1:11 PM Functional BABT Approval B Chassis.bk : APPENDB Page 1 Monday, February 10, 1997 1:11 PM MSH Chassis - 3C18000 and 3C18001 Display Panel - 3C18006 Chassis.bk : APPENDB Page 2 Monday, February 10, 1997 1:11 PM 375W Power Supply Unit - 3C18011 525W Power Supply Unit - 3C18012 Chassis.bk : APPENDB Page 3 Monday, February 10, 1997 1:11 PM Thermal Management Unit - 3C18005 ECS - MSH Module Converter - 3C18082 Chassis.bk : APPENDB Page 4 Monday, February 10, 1997 1:11 PM Miscellaneous Weight of blanking panels C Chassis.bk : APPENDC Page 1 Monday, February 10, 1997 1:11 PM L Calculating Power Consumption Chassis.bk : APPENDC Page 2 Monday, February 10, 1997 1:11 PM Chassis.bk : APPENDC Page 3 Monday, February 10, 1997 1:11 PM Chassis.bk : APPENDC Page 4 Monday, February 10, 1997 1:11 PM D D-2 APPENDIX D: PIN AND CIRCUIT ASSIGNMENTS DUA1800-0AAA04 Ethernet Telco - Pin Assignments Chassis.bk : APPENDD Page 2 Monday, February 10, 1997 1:11 PM Port Number Telco Connector Pin Number Telco Signal Name To Chassis.bk : APPENDD Page 3 Monday, February 10, 1997 1:11 PM Ethernet Telco - Pin Assignments D-3 Token Ring RJ45 - Pin Assignments Chassis.bk : APPENDD Page 4 Monday, February 10, 1997 1:11 PM Ring-In and Ring-Out Pin Assignments Front View RS232 Serial Port - Pin Assignments Chassis.bk : APPENDD Page 5 Monday, February 10, 1997 1:11 PM Status Input Connector Page E Chassis.bk : APPENDE Page 1 Monday, February 10, 1997 1:11 PM Product Numbers Chassis Components Chassis.bk : APPENDE Page 2 Monday, February 10, 1997 1:11 PM Ethernet Products Chassis.bk : APPENDE Page 3 Monday, February 10, 1997 1:11 PM Token Ring Products FDDI Products Suppliers Chassis.bk : APPENDE Page 4 Monday, February 10, 1997 1:11 PM F Chassis.bk : TSUPPORT Page 1 Monday, February 10, 1997 1:11 PM On-line Technical Services 3Com Bulletin Board Service (3ComBBS) Chassis.bk : TSUPPORT Page 2 Monday, February 10, 1997 1:11 PM Ask3Com on CompuServe 3ComFacts Automated Fax Service 3Com Documentation on CD-ROM Chassis.bk : TSUPPORT Page 3 Monday, February 10, 1997 1:11 PM Support from Your Network Supplier Chassis.bk : TSUPPORT Page 4 Monday, February 10, 1997 1:11 PM Support from 3Com Returning Products for Repair Chassis.bk : TSUPPORT Page 5 Monday, February 10, 1997 1:11 PM Page I Chassis.bk : CHASSIS.IX Page 1 Monday, February 10, 1997 1:11 PM Numerics A B L Chassis.bk : CHASSIS.IX Page 2 Monday, February 10, 1997 1:11 PM M N P Page Page RADIO FREQUENCY INTERFERENCE S Chassis.bk : RFISTATS Page 1 Monday, February 10, 1997 1:11 PM FCC Statement CSA Statement Information To The User Chassis.bk : RFISTATS Page 2 Monday, February 10, 1997 1:11 PM LIMITED WARRANTY Chassis.bk : WARRANTY Page 1 Monday, February 10, 1997 1:11 PM Chassis.bk : WARRANTY Page 2 Monday, February 10, 1997 1:11 PM