Release
Visitor and Community Network Access Concentrator
 3Com Corporation 5400 Bayfront Plaza Santa Clara, California
 Contents
 130 Inability to Connect Broken Session 131
Troubleshooting
127
 143
Online Technical Services 141 World Wide Web Site
3Com FTP Site 142
Page
 Icon Description
Conventions
List conventions that are used throughout this guide
 Compliance
Related
Documentation
Year
 Community
Major Features Benefits
Features
Visitor
 Overview
 Applications
 MTU/MDU Application
 VCN AC Features
 VCN AP
 VCN AC Front Panel
 State Used to
Features Real Time LED Indications
Local Management
VCN AC Front Panel LEDs
 Remote Management
Central Management
 Overview
 Safety Precautions
Installing the VCN Access Concentrator
 Sicherheitsvorkeh- rungen
Précautions de
Sécurité
 Concentrator
For the VCN Access
Visitor and Community Network system is installed
Preparing the Site
 Installing the VCN Access Concentrator
 Punch-down Block with a Patch Panel
 Installing the VCN Access Concentrator
 Punch-Down Block Without a Patch Panel
 VCN Access Point Rear Panel
 Repeat through for up to 24 telephone lines
Installing the VCN Access Concentrator
 Part Quantity
Access Concentrator 19-inch rack. in the 19-inch Rack
VCN Access Concentrator Accessory Set
Cable Kit
 Fitting a Bracket for Rack Mounting
 Back Panel Connections
 Front Panel Connections
Displays the rack after it has been wire connected
 Is P
 VCN AC Port No First Pin Second Pin
Line Cards in the VCN Access Concentrator
Patch Panel blocks at the back with RJ-21 connectors
Pin Assignment for the RJ-21 Connector
 Female RJ-21 Connector
 VCN Access Concentrator Unit Installed Without a Patch Panel
 General guidance is provided for non-SuperStack switches
Sequence of Configuration
Inserting MAC Addresses for VCN Access Concentrator Ports
 Installing the VCN Access Concentrator
 Port No. MAC Address
VCN AC Port and VCN AP MAC Addresses
 Installing the VCN Access Concentrator
 Automated Procedures for SuperStack II 1100/3300
 ConfApp Screen
ConfApp screen appears Figure
 Entering the Switch Address
 Community Parameter
 Removing Wrong Address
 VCN Access
Powering Up
Ethernet Switch
 SPE-3, SPT-3, G, W
 Troubleshooting
 Installing the VCN Access Concentrator
 Status of each line in the VCN AC
Real Time LED
Indications
This chapter describes the following
 Terminal for Local Central Management
Using
Management
 Terminal Emulator
Connecting the PC To connect the PC to the LMA port
 Line CardThis section describes local management
Login
Type your Login ID and press Enter
Type your password and press Enter
 Line Card Menu Hierarchy and Summary
Line Card Main Menu
 Line Card Menu Structure
 Number Sequence Corresponding to Submenus
Line Card Main Menu of Port
 Press Enter to return to the Line Card Main Menu
LC Version
 Ethernet Menu
Management Menu
 Ethernet Menu Options
Ethernet Menu Options Feature How to use
Ethernet Menu options are described in Table
Ethernet Traffic Counters
 Typical Ethernet Traffic Counters Screen
Ethernet Status
 Change Ethernet Work Mode Menu
Reset Ethernet Counters
 When you discard the operation, the message appears
Setting Internal Loopback Mode
 Setting Normal Mode
 Hdlc Traffic counters
Hdlc Menu Options Feature How to use
Hdlc Menu
Hdlc Menu options are described in Table
 Hdlc Status
 Change Hdlc Work Mode
Reset Hdlc Counters
 Normal mode is lack of loopbacks
 To check the Vdsl parameters
Vdsl Control Menu
 Reset All Counters
SNR, signal to noise ratio
 Login message appears
Reset the Line Card
 Set Vlan ID for Management
LC Configuration Menu
 After any number the user enters, the message appears
Set Ethernet Half/Full Duplex Mode
Change Password
Respond by entering your new password. The message appears
 To download new software perform the following steps
Set to Factory Defaults
Through the LMA
 Procomm Plus window shown in , select Data Send File Figure
Type S the downloading message in appears
 Procomm Plus Terminal Screen
 Procom Plus Data Send File Menu
Sending File Using Ascii Screen
 Status Screen
 File Downloaded Messages
 Software Execution Messages
 Line Card Management
 This section describes central management
 LMA Access for Central Management
 Central Management Menus in the LMA Interface
Login Process
 Central Management Menu Hierarchy and Summary
Login Process
 Central Management Menu Structure
 Central Management Menus and Corresponding Number Sequence
VCN Access Concentrator Menu
 Line Card Main Menu for Line Card
To access central management
Management Agent Menu
 Slot 1 Line Card Main Menu
Version Information
 Hardware and Software Version
Monitoring Menu
 Monitoring Menu
Brief Status of All Ports
 Refresh Brief Status or View Port Statistical Detail
Detailed Port Status
 Select Traffic Counters and Port
Traffic Counters for Selected Port
 Vdsl Information for Selected Port
Dialog in appears
 Vdsl Information for Selected Port
 Change Port Selection in Control Menu
Reset Port
Control Menu
 If you type y, the following message appears
If you type N, the message appears
 To abort type n and press Enter
This is followed by the messages in and , Login prompt
Messages in appear
Vdsl Restart
 Type n and press Enter to abort
Concentrator Configuration Menu
 Change Vlan ID for Management
 Type 2 and press Enter the following dialog appears
Change Ethernet Half or Full Duplex Mode
 Agent Configuration Menu
Change the Concentrator Password
Type your new password and press Enter. The message appears
 IP Menu
IP Menu
 If a Telnet session exists, the message appears
Save changes, type y and press Enter Messages appear
Discard changes, type n and press Enter n
Close Telnet Session
 Set Factory Defaults
Default is n
 Overview
Reset Agent
To reject, type n and press Enter the message appears
To proceed, type y and press Enter the message appears
 Structure of Remote Menus
Telnet Connection
 Telnet Menu Structure
 Central Management Menus and Corresponding Number Sequence
 VCN Access Concentrator
Telnet Login
 Hardware and Software Version
 Menu appears
To configure VCN AC management, type 5 in the VCN Access
 Telnet session is closed
Exiting the Telnet Management Session
To terminate, type y and press Enter the message appears
 Download
 Downloading Software to the LCs in the VCN AC
Procedure
 VCN Service Switch 10 Front Pane
 VCN AP Main Menu
 Enter the AC Vlan ID and press Enter. The message appears
VCN AP Software Download Menu
 LC Downloading State Table
 LC Downloading Results
 Enter the AP Vlan ID and press Enter. The message appears
Downloading Software to VCN APs
 AP Downloading State Table
 Check Software Download for the LC Cards
 Check the physical path between the downloading VCN AP
Download Failed for all LCs and all VCN APs
Download Failed for One or More Line Cards but not All
Check the following Software version of the failed LCs
 Download Failed for One or More VCN APs but not All
 Managing the VCN Access Concentrator
 State
Line Power
 LEDs to Solve
Using Front Panel
Problems
Indicator LEDs
 Ethernet Traffic Counters
 Hdlc Traffic Count Indicators
 Fatal
Error message Significance User Action
From Traffic Counts Frame counts
 Telnet Connection Problems
 Telnet Connection Problems
 Troubleshooting
 Product Specification
 Product Specification
 Procomm Plus Terminal screen in appears
Terminal Emulation Settings
 Number From Left Function Settings
Procomm Plus Settings
 137
Setup window opens
 Select System Tab
 139
Parity None
Flow control
 Terminal Emulation Settings
 Online Technical
Services
 Country Data Rate Telephone Number
Access by Analog Modem
Username anonymous
Hours a day, 7 days a week
 408 727
Access by Digital Modem
847 262
 Country Telephone Number Asia, Pacific Rim
Europe, South Africa, and Middle East
 Country Telephone Number Fax Number
Page
 Glossary
 MiniDIN
Mbaud
Mbps
 Glossary
 Glossary
 Numbers
Index
 Remote software download Requirements
 Vlan ID
 Index
 3Com Corporation Limited Warranty
 Governing LAW
 EMC Statements