3Com DIA3CV1100-02 manual Line Cards in the VCN Access Concentrator

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Installing the VCN Access Concentrator 21

If your switch is the SuperStack II 1100 or 3300, connect to the front panel ports. If your switch is not the SuperStack II 1100 or 3300, follow the procedures for your switch.

Note on Insertion of Note the following:

Line Cards in the VCN

Access Concentrator

The card in VCN AC slot 1 provides central management and is different from the remaining cards. This card has a factory installed MAC address and must not be inserted in any slot other than slot 1.

Connecting Cables to This section describes how to connect the rack without a patch panel. the Rack Without a The VCN AC connects directly to the VCN AP and PBX punch-down

Patch Panel blocks at the back with RJ-21 connectors.

Back Panel Connections

Perform the following steps to connect the VCN AC to the punch-down blocks.

1Connect one RJ-21 flat cable to the VCN AP punch-down block through the RJ-21 connector labeled “FROM VCN AP”.

2Connect the other RJ-21 flat cable to the PBX punch-down block through the RJ-21 connector labeled “TO PBX”.

To connect the back panel of the VCN AC, use the 2 flat cables with RJ-21 connectors supplied with the VCN AC.

The pin assignments of the two RJ-21 connectors at the back of the VCN AC must match the pin assignments of the RJ-21 connectors of the two punch-down blocks.

To correctly align the RJ-21 connectors on the VCN AC and the punch-down blocks, see Table 4.

Table 4 Pin Assignment for the RJ-21 Connector

VCN AC Port No.

First Pin

Second Pin

 

 

 

1

1

26

 

 

 

2

2

27

 

 

 

3

3

28

4

4

29

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Contents Visitor and Community Network Access Concentrator 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Page Download Software or Find Documentation VCN Access VCN Access Concentrator Front Panel Describes the front panel VCN AC indicators and connectors Précautions de Preparing the Site Inner wire pair carries both voice and digital date Outer wire pair carries only voice Punch-Down Block Without a Patch Panel VCN Access Point Rear Panel Repeat through for up to 24 telephone lines Mounting the VCN Access Concentrator 19-inch Rack Installing the VCN Access ConcentratorFitting a Bracket for Rack Mounting Back Panel Connections VCN AC Front Panel ConnectionsIs P Pin Assignment for the RJ-21 Connector Line Cards in the VCN Access ConcentratorFemale RJ-21 Connector VCN Access Concentrator Unit Installed Without a Patch Panel Inserting MAC Addresses for VCN Access Concentrator Ports Sequence of ConfigurationManual Procedures for SuperStack II 1100/3300 VCN AC Port and VCN AP MAC Addresses VCN AC Automated Procedures for SuperStack II 1100/3300 ConfApp screen appears Figure Entering the Switch Address Community Parameter Removing Wrong Address Power Cord For units installed in the USA and Canada Select a flexibleProper Selection Page Troubleshooting LEDs to Solve ProblemsVCN AC Port LED Indications following Post Page Product Specification Product Specification Index VCN AP Glossary Mbps MbaudMiniDIN VacGlossary Glossary 3COM Corporation Limited Warranty Governing LAW EMC Statements