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3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145
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A BOUT T HIS G
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ABOUT THIS GUIDE
Conventions
Related Documentation
Year 2000 Compliance
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Visitor and Community Network System Major Features and Benefits
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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
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Safety Precautions
Prcautions de Scurit
Sicherheitsvorkeh- rungen
Preparing the Site for the VCN Access
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Installing the VCN Access
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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
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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
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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
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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
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Powering Up the Ethernet Switch
Powering Up the VCN Access
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Troubleshooting
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Real Time LED Indications
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Line Card Management
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Figure 28 Line Card Menu Structure
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Figure29 Line Card Main Menu of Port 1
Figure30 Version Screen
Press <Enter> to return to the Line Card Main Menu.
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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
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Figure53 File Downloaded Messages
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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
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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
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Figure67 Monitoring Menu
Figure68 Brief Status Report
The report includes the following information:
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Figure81 Telnet Menu Structure
When the user starts his Telnet session, the login process begins (Figure82).
Table13 Central Management Menus and Corresponding Number Sequence
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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.
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Figure93 LC Downloading Results
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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
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Telnet Connection
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ERMINAL EMULATION SETTINGS
Figure96 P rocomm Plus Terminal Screen
2Establish the terminal settings in one of the two following ways:
Table21 Procomm Plus Settings
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ECHNICAL SUPPORT
Online Technical Services
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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
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3Com Corporation LIMITED WARRANTY
Visitor and Community Network Access Concentrator Unit
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OBTAINING WARRANTY S
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GOVERNING LAW
EMC S
FCC CLASS A VERIFICATION S
CSA S
VCCI S
EMC DIRECTIVE COMPLIANCE S