3Com DSA-3CV1100-02

132 TROUBLESHOOTING

Contents

Main 3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145 C A BOUT T HIS G 1 2 3 A B C D Page ABOUT THIS GUIDE Conventions Related Documentation Year 2000 Compliance 1 Visitor and Community Network System Major Features and Benefits Page Applications 12 OVERVIEW Figure 1 MTU/MDU Application Internet PSTN VCNAP VCN AC Features 14 OVERVIEW Figure 2 Transfer of Ethernet Frames in Visitor and Community Network frame s Voice c a ll VCN AP Existi n g P OTS m etallic p a ir line VCN AC PBX Ethernet frame Page Page Page Page 2 C Safety Precautions Prcautions de Scurit Sicherheitsvorkeh- rungen Preparing the Site for the VCN Access Page Page Page Page Page Installing the VCN Access Page Page Page Installing the VCN Access Concentrator 31 3C16980 VCN AC Figure15 shows all the connections in the network. TO PBXFROM NAU Patch Panel Flat Cable 24 RJ-45 connections between VCN AC and the SuperStack II Switch 1100/3300 6XSHU6WDFN#,, 66,,4433#6633 9[:[ 4;[4<[ Using RJ-45 connector terminated cables, connect the VCN AC LAN ports to the Ethernet switch. ISP Page Figure16 Female RJ-21 Connector Tab le 6 Pin Assignment for the RJ-21 Connector (continued) Installing the VCN Access Concentrator 35 Router block Using RJ-45 connector terminated cables, connect the VCN AC LAN ports to the Ethernet switch. VCN AP Flat Cable 24 RJ-45 connections between the VCN AC and the Ethernet Switch POWER Page Page Every VCN AC and attached VCN APs have the same set of 48 MAC addresses. Tab le 7 VCN AC Port and VCN AP MA C Addresses Page 40 CHAPTER 2: INSTALLING THE VCN ACCESS CONCENTRATOR Windows 95 Windows 98 Windows 2000 Windows NT4 Figure18 Connection of Management Station ConfApp.exe and press <Enter>. SuperStack II Switch 1100 3C16950 6x7x 18x19x Page Page Page Page Powering Up the Ethernet Switch Powering Up the VCN Access Page Troubleshooting Page 3 C Real Time LED Indications Page Page Line Card Management Page Figure 28 Line Card Menu Structure Page Figure29 Line Card Main Menu of Port 1 Figure30 Version Screen Press <Enter> to return to the Line Card Main Menu. Page Figure32 The Ethernet Menu The Ethernet Menu options are described in Tabl e 10 . Table10 Ethernet Menu Options Figure33 A Typical Ethernet Traffic Counters Screen Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Figure53 File Downloaded Messages Page Page Central Management Central Management 81 Ethernet Switch Router Ethernet Internet Figure57 LMA Access for Central Management Figure58 Connecting the Management Terminal in the Ethernet Local Management Term ina l Telnet terminal VCN AC Page Page Figure63 Central Management Menu Structure Refer to Figure28 VCN Access Concentrator Menu The VCN Access Concentrator Menu is shown in Figure 62. Table12 Central Management Menus and Corresponding Number Sequence Page Page Page Figure67 Monitoring Menu Figure68 Brief Status Report The report includes the following information: Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Figure81 Telnet Menu Structure When the user starts his Telnet session, the login process begins (Figure82). Table13 Central Management Menus and Corresponding Number Sequence Page Page Page Page Remote Software Download S crew hole Figure87 T he VCN Service Switch 10 Front Pane Figure88 Softw are Download Network Configuration PBX Phone Line Ethernet A warning appears, followed by a prompt asking if you want to proceed (Figure90). Figure90 Remote software Download Warning and Prompt 5To proceed, type yes and press <Enter>; the VCN AP Software Download Menu (Figure91) appears. Page Page Figure93 LC Downloading Results Page Page Page Page Page Page A Power-on Self Test (POST) The normal VCN AC port status are presented in Tabl e 15 . Using Front Panel LEDs to Solve Table15 Normal VCN AC Port Status Table16 VCN AC Port LED Indications following POST Using a PC Terminal Emulator to Solve Table17 Ethernet Traffic Counters Table17 Ethernet Traffic Counters (continued) Table18 HDLC Traffic Count Indicators Page Telnet Connection Page Page B Page C ERMINAL EMULATION SETTINGS Figure96 P rocomm Plus Terminal Screen 2Establish the terminal settings in one of the two following ways: Table21 Procomm Plus Settings Page Page Page Page D ECHNICAL SUPPORT Online Technical Services Page Support from Your Network Supplier Support from 3Com 144 TECHNICAL SUPPORT When you contact 3Com for assistance, have the following information ready: Here is a list of worldwide technical telephone support numbers: Europe, South Africa, and MiddleEast From the following countries, you may use the toll-freenumbers: (1 800 638 3266) Enterprise Customers: 1 800 876-3266 Returning Products for Repair Page G Page Page Page I Numbers M A B N O P Q R W Page 3Com Corporation LIMITED WARRANTY Visitor and Community Network Access Concentrator Unit H S OBTAINING WARRANTY S D GOVERNING LAW EMC S FCC CLASS A VERIFICATION S CSA S VCCI S EMC DIRECTIVE COMPLIANCE S