3Com 3C16020, 3C16021 Serial Port Pin Out

DUA1602-0AAA01

A-2 APPENDIX A: TECHNICAL SPECIFICATIONS

Serial Port Pin Out

Figure A-1 Serial Port Numbering

Only three links should be made. Other pin d efinitions are for info rmation only, and are not

supported.

Figure A-2 Serial Port Cabling (Module to PC/Terminal)

Contents

Main S II UPS G U M S Page C A BOUT THIS G I C ONFIGURING THE M ANAGEMENT M C ONNECTING TO THE N TECHNICAL SPECIFICATIONS T TECHNICAL SUPPORT Page Page ABOUT THIS GUIDE Introduction Conventions vi The text conventions that are used in this guide are: 1 Networking Terminology Page 2 The SuperStack II UPS Management Module Page Before You Start Installing the Management Module Page 3 MANAGEMENT MODULE Before You Start Local Configuration Using the Configuration Screens Changing the Configu ration Fields IP address (IP) Netmask (NM) Gateway (GW) Token Ring Network Speed (RS) BOOTP retries (BR) Authorized Password (PW) Command Security Level (LV) UPS Unit ID (ID) Get-community name (CG) Set-community name (CS) Trap Community name (CT) sysName (SN) sysContact (SC) sysLocation (SL) Attached Devices (AD) Host Table Setup Screen IP Address (HI) Delete Entry (DE) Ping (PI) Trap Level (TL) Trap Type (TT) 4 O THE NETWORK Ethernet Model Token-Ring Model Exiting the Configuration Program A Standards Physical Propert ies Serial Port Pin Out B Page C On-line Technical Services 3Com Bulletin Board Service (408) 654-2703 World Wide Web Site http://www.3Com.com/ ThreeComForum on CompuServe 3ComFacts Automated Fax Service Support from Your Network Supplier Support from 3Com Returning Products for Repair Page E S CSA STATEMENT Interference Statement for Class B Devices Federal Communications Commission Radio and Television Page Limited Warranty