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Installing the Network Jack

 

7

 

Using the 3Com Local Power Supply

 

To use the local power supply, make sure you have an electrical outlet near the 
site where the Network Jack will be installed. First plug the power cord into the 
Network Jack, then plug it into the electrical socket. See page 12 for more details.

 

Setting the Power Over

Ethernet Dip Switches

 

If your network switch or power supply supports Power Over Ethernet, you must 
set the dip switches on the Network Jack to the appropriate setting: Capacitive 
Power Discovery/24V, Capacitive Power Discovery/48V, or IEEE 802.3af.

Set the appropriate dip switches (labeled 3 and 4) for the type of Power Over 
Ethernet supported. The default setting is IEEE 802.3af-compatible Power Over 
Ethernet.

 

NOTE: If you are not using Power Over Ethernet to power the Network Jack, 
skip this section. Go to “Installing the Adapter Plate and Pass-Through Ports” on 
page 8 to continue.

CAUTION: Before setting the dip switches, make sure that power to the 
Network Jack is off.

Do not change dip switches 1 and 2 from their factory default settings (OFF). 
Changing these settings may result in performance degradation.

Содержание IntelliJack NJ200

Страница 1: ...3Com Network Jack Model NJ200 User Guide http www 3com com http www 3com com productreg Published September 2002 User guide version 1 0 ...

Страница 2: ...cumentation and the software described herein are provided to you subject to the following All technical data and computer software are commercial in nature and developed solely at private expense Software is delivered as Commercial Computer Software as defined in DFARS 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a and as such is provided with only such rights as are pro...

Страница 3: ...Initializing the NJ200 Network Jack 21 Setting Advanced Options 22 USING THE CENTRAL CONFIGURATION MANAGER Discovering NJ200 Devices on Your Network 25 Viewing Device Properties 27 Changing Device Configuration 31 Finding Computers Connected to NJ200 Devices 39 Upgrading the NJ200 Firmware 40 TROUBLESHOOTING THE NJ200 Troubleshooting Matrix 45 TECHNICAL SUPPORT Online Technical Services 47 Support...

Страница 4: ......

Страница 5: ...wer supply Locally via an optional local power supply You can manage the NJ200 Network Jack using the included Central Configuration Manager You can also use a supported SNMP management console as you would with any managed device on your network but greater management and control is available through the Configuration Manager software Management features include Device discovery Port status state...

Страница 6: ... plate Can be fitted with an adapter plate which can be installed with up to two pass through ports 3 Adapter plate with installed pass through port connector Can be used for voice or other networking applications The port bypasses the functionality of the switch allowing you to set up a connection to a separate network segment or to connect to an analog or digital PBX telephone The adapter plates...

Страница 7: ...ork Make sure the port on the network switch to which the Network Jack is connected is configured as a standard MDI X port 2 Slot for adapter plate Can be fitted with an adapter plate which can be installed with up to two pass through ports 3 Adapter plate with installed pass through port connector Connects the installed pass through port to the network 4 Dip switches Select the type of Power Over...

Страница 8: ...er For a list of supported connectors go to www 3com com Component Purpose 3C Number s Adapter plates For installing pass through port connectors of your choice that allow a direct connection to another network segment or for connecting an analog or digital PBX telephone 3CNJAP PA 20 3CNJAP AV 20 Extension ring For ensuring that the Network Jack is properly mounted to a cubicle required if the cub...

Страница 9: ...the local power supply page 11 optional not required if your network supports Power Over Ethernet or if you are using a single port or multi port power supply 9 Connect network devices to the Network Jack page 13 The following diagram displays an overview of the recommended installation where the Network Jack is being connected to an Ethernet network cable that is terminated with a female RJ 45 co...

Страница 10: ...standard Category 5 or Category 5e UTP cabling and powers up to 24 Network Jacks See Obtaining Optional Components on page 4 for ordering information For complete installation instructions see the multi port Ethernet power supply documentation Using a Single port Ethernet Power Supply To use a single port power supply connect the power supply to the network hub or switch and to the Network Jack as...

Страница 11: ...Jack to the appropriate setting Capacitive Power Discovery 24V Capacitive Power Discovery 48V or IEEE 802 3af Set the appropriate dip switches labeled 3 and 4 for the type of Power Over Ethernet supported The default setting is IEEE 802 3af compatible Power Over Ethernet NOTE If you are not using Power Over Ethernet to power the Network Jack skip this section Go to Installing the Adapter Plate and...

Страница 12: ... supported with the Network Jack adapter plates go to www 3com com 1 Pull the network cable s from the wiring closet to the location of the Network Jack 2 Thread the network cable s through the empty slot on the Network Jack Power Over Ethernet Supported Dip Switch Numbers Setting Capacitive Power Discovery 24V Ethernet Power Source 4 ON 3 ON 4 3 2 ON ddddddd 1 Capacitive Power Discovery 48V Ether...

Страница 13: ...e installing the Network Jack Make sure the wall or cubicle opening where the Network Jack is being installed complies with the NEMA WD6 standard as described below Make sure the distance between the back of the Network Jack and the inside of the wall or cubicle opening is at least 1 5 inches 3 inches is recommended To ensure proper horizontal cabling functionality adhere to the following network ...

Страница 14: ...ale or male RJ 45 connector Refer to the connector manufacturer s instructions for terminating the cable Be sure to test the connector and verify it is working Connecting the Network Jack to the Network The method for connecting the Network Jack to the network is determined by how your network cable is terminated as described in the previous section Setting up the Network Cabling at Your Site If t...

Страница 15: ... WD6 standard or does not have pre drilled screw holes mount the Network Jack using the extension ring as shown below Connecting the Local Power Supply Optional If your network does not support Power Over Ethernet or if you are not using a single port or multi port Ethernet power supply you must purchase a local power CAUTION Make sure the vents along the edges of the Network Jack faceplate are cl...

Страница 16: ...ugh the strain relief of the Network Jack as shown in the diagram below 2 Securely mount the Network Jack on a wall 3 Plug the power cable into the Network Jack 4 Secure the local power supply and cable to the wall 5 Plug the local power supply into the power source WARNING Use the local power supply available from 3Com Failure to do so may result in damage to the Network Jack or may result in a h...

Страница 17: ...ditionally each of the switched ports has a green LED which lights when a device is connected Port 1 also has an amber LED which lights when the Network Jack is forwarding power to a connected device LED Description LAN n On The Network Jack is connected to the network and a link has been established n Off There is no connection to the network Power n On The Network Jack is receiving power local o...

Страница 18: ...14 CHAPTER 1 INSTALLING THE NJ200 NETWORK JACK ...

Страница 19: ...alling the Local and Central Configuration Managers Run the following steps to install the Configuration Manager software 1 Insert the Configuration Manager software CD into your Windows 2000 or Windows NT computer 2 If your computer is configured to Auto Play CDs the installation will start automatically If not double click the setup exe icon on the CD and you will see this window NOTE You will u...

Страница 20: ...2 INSTALLING THE CONFIGURATION MANAGERS 3 Click Next to continue 4 Carefully read the license agreement If you agree click Yes I accept and Next to continue 5 Enter your user and organization names and click Next ...

Страница 21: ...he location of the installation click Change Otherwise click Next to accept the default location and continue 7 Select a typical or custom setup and click Next The Typical installation will install both the Local Configuration Manager and the Central Configuration Manager on your system The Custom installation option lets you install just one of the programs if you wish ...

Страница 22: ...HAPTER 2 INSTALLING THE CONFIGURATION MANAGERS 8 Review the settings you selected and click the Install button 9 When the installation has completed click the Finish button to close the installation utility ...

Страница 23: ... shortcut icons on the Desktop one for the Local Configuration Manager and one for the Central Configuration Manager You can also launch the programs from a program group you can access from the Start menu The program group folder is labeled 3Com Network Jack and can be found under the Programs menu ...

Страница 24: ...20 CHAPTER 2 INSTALLING THE CONFIGURATION MANAGERS ...

Страница 25: ...launches you will see a window like this 3 The MAC address and default IP address of the currently connected NJ200 will appear in the first field If you connect to another NJ200 you must click the Query button to refresh the window If you are not connected to any Network Jack the field will display the message Not Connected If the Not Connected message appears check your connection to the Network ...

Страница 26: ... enter the password for the device If you haven t changed the password you should enter the default password which is password without the quotes Your changes are sent to the NJ200 and will become effective immediately Those are the only steps required to initialize your NJ200 Network Jack Setting Advanced Options If you want to change the default password of the NJ200 or manage it from an SNMP co...

Страница 27: ...ET Community String and SET Community String in the appropriate fields Each field lets you enter any combination of letters and numbers up to 32 characters 4 Click the Configure button and the Local Configuration Manager will ask you to enter the password for the device If you haven t changed the password you should enter the default password which is password without the quotes Your changes are s...

Страница 28: ...24 CHAPTER 3 USING THE LOCAL CONFIGURATION MANAGER ...

Страница 29: ...igure and manage all of the Network Jacks that reside on your network Discovering NJ200 Devices on Your Network In order to manage the NJ200 Network Jacks on your network the Central Configuration Manager needs to include them in its database The easiest way to add new NJ200 Network Jacks to the database is to use the device discovery tool included in the Central Configuration Manager The first ti...

Страница 30: ... of IP addresses a To discover devices by subnet select that option on the screen Click the Add button to add a new subnet to the discovery list The following box will appear Fill in the Subnet and Mask fields and click OK or b To discover devices within a certain IP range select that option on the screen and complete the From and To fields NOTE The default subnets are the ones your machine is con...

Страница 31: ...ly the devices in that subnet will be displayed When Firmware Ver is selected you will see a list of the different firmware versions loaded on the devices This view is particularly useful if you want to select only the devices with an old firmware version so you can perform an upgrade When you select Group Name from the drop down list the Central Configuration Manager will present a list of the di...

Страница 32: ...ay and whether it uses a static IP address or gets its address from a DHCP server You can also view and edit the Network Jack s Group Name and Location information 4 Click Apply to save any changes you make to the fields in this window 5 In the middle of this window you ll see information about each of the four PAN ports on the front of the Network Jack You can check to see if the port is Enabled ...

Страница 33: ...e values of the fields with drop down lists Priority Schedule Policy LAN Port Egress Mode LAN Port Ingress Mode Max Frame Size Counter Mode and Power Forwarding 8 Simply select the value you wish to change from the drop down list of options NOTE You can click Apply at any time to save the changes you have made But be sure to click Apply after you have finished making all your changes ...

Страница 34: ...he Statistics tab From this view you can see statistics about the number of good or bad packets each port has received and transmitted based on how you have configured the Counter Mode setting see step 8 on page 33 You can reset all counters to zero by clicking Clear ...

Страница 35: ...figuration summary dialog box will appear Verify the information and click OK 13 Click Exit to close the Device Property window Changing Device Configuration Many of the properties that you can view from the Device Property windows can be changed from the Device Configuration window Here s how to use this feature 1 Select one or more Network Jacks from the devices list NOTE It is possible to confi...

Страница 36: ... 256 characters 5 Change or set the Location Name by checking the box next to that field and entering up to 256 characters 6 Configure the DHCP setting to the desired state 7 Change the Port and Link states of any of the Network Jack s ports by checking the box next to the characteristic you want to modify and selecting a value from the drop list NOTE To make configuration changes to a Network Jac...

Страница 37: ...that option in the Counter Mode setting 9 Click the Priority tab along the top of the Device Configuration window to view these settings 10 From this screen you can change the Look Up Scheme and Default Priority Level of each port on the NJ200 and the Priority Scheduling Policy of the Network Jack itself Check the box next to the setting you want to change and select an option from the drop down l...

Страница 38: ...ork Jack to form a VLAN group You can specify the tag schemes for the VLAN you create NOTE VLAN stands for Virtual Local Area Network VLANS are used to create a subgroup of systems within a LAN in order to isolate traffic between network devices The NJ200 supports VLAN tagging but does not route inbound traffic on a per port basis If you change your VLAN settings they should be consistent with you...

Страница 39: ...iguration 35 13 Select the Security tab to set the security options of the NJ200 Network Jack 14 You can change the device password the default password is password and adjust the SNMP Set permissions and Community Strings ...

Страница 40: ...FIGURATION MANAGER 15 Click the SNMP Traps tab to change the trap settings of the NJ200 16 From this window you can enable or disable the device s Cold Start Link Down Link Up and Authorization Fail traps to be sent to your SNMP console ...

Страница 41: ...the drop down list You can change the Flow Control the AutoMDI X crossover capabilities and the Multicast Rate Limit 20 At the bottom of this window is an option to restore some of the configuration settings to their default values If you check this box the following settings will be restored Global Setting Default Value Max Frame Size 1518 or 1522 if tagged Counter Mode Count good frames Priority...

Страница 42: ... finished entering the configuration changes to your NJ200 Network Jack click the OK button and a Configuration Progress dialog box will appear If you don t want to apply the changes you made click Exit to discard those changes and exit the window Port Setting Default Value State Forwarding Link Auto negotiation Flow Control Off MDI X Force MDI Multicast Limit 3 Priority Lookup Tag IPV4 Port Prior...

Страница 43: ...computer or networked device you can use the Central Configuration Manager to find the right Network Jack 1 Select Find Location from the Tools menu You will see a window like this 2 Enter the IP address or the MAC address of the PC you wish to find 3 Click the Find button When the search is complete the Search Results field will display the IP address of the NJ200 that the PC is connected to It w...

Страница 44: ...e Network Jacks you want to upgrade You can select groups of Network Jacks using one of the grouping options available to you in the drop down list at the top left corner of the main window 2 Select Upgrade from the devices menu A window like this will appear 3 Select Yes to continue the upgrade operation A window like this will appear 4 Select a valid firmware image by typing the path to the file...

Страница 45: ...r select a specific time and date to send the file You may for example want to perform an upgrade during off hours such as a weekend 6 Click Next and a window like this will appear 7 Review the list of Network Jacks you want to upgrade If you want to modify this list click Cancel and restart the firmware upgrade procedure ...

Страница 46: ...42 CHAPTER 4 USING THE CENTRAL CONFIGURATION MANAGER 8 Type your password in the Password field then click Finish The Upgrade Progress dialog box will appear ...

Страница 47: ...stalled the Network Jack configuration software You can also view a history of firmware upgrades by selecting Log History from the View menu A window like this will appear To view the details of a particular log select it and click Detail If the firmware upgrade of an NJ200 unit fails for some reason a message will appear in the upgrade progress dialog box and the log file Consult the troubleshoot...

Страница 48: ...ge to the Network Jacks in your network To view and make changes to the firmware upgrades you have scheduled follow these steps 1 Select Scheduled Upgrade from the View menu A window like this will appear 2 To view the details of a scheduled upgrade select it from the list and click Show Devices To cancel a scheduled upgrade select it from the list and click Delete ...

Страница 49: ...by viewing the Link LED it should be on If the Link LED is not on make sure the network cable Is terminated properly Refer to the connector manufacturer s instructions for terminating the cable Be sure to test the connector and verify it is working Has a valid connection to the network Adheres to proper length and cabling specifications for your network The Network Jack is configured for manual MD...

Страница 50: ...twork device is 802 3af compatible Make sure the power requirement for network device does not exceed 7 watts Authentication Failure Wrong password has been entered Confirm correct password and re type Timeout Device did not respond within a specified period of time Refresh the screen after a few seconds If the problem persists try to rediscover the device Attributes Error Unexpected configuration...

Страница 51: ...vice provides access to online support information such as technical documentation and a software library as well as support options that range from technical education to maintenance and professional services 3Com Knowledgebase Web Services The 3Com Knowledgebase is a database of technical information to help you install upgrade configure or support 3Com products The Knowledgebase is updated dail...

Страница 52: ...h as Netscape Navigator and Internet Explorer you do not need a user name and password 3Com Connection Assistant The 3Com Connection Assistant is interactive software that gives you an easy to use diagnostic and repair tool Using this tool makes troubleshooting easier and helps you quickly resolve problems Go to Start Programs 3Com NIC Utilities 3Com Connection Assistant to find the utility By usi...

Страница 53: ...ision levels Diagnostic error messages Details about recent configuration changes if applicable Returning Products for Repair Before you send a product directly to 3Com for repair you must first obtain an authorization number Products sent to 3Com without authorization numbers will be returned to the sender unopened at the sender s expense To obtain an authorization number go to the Web site liste...

Страница 54: ...Technical Support 50 ...

Страница 55: ...etwork 100 Mbps Ethernet 100BASE TX Ethernet IEEE 802 3u industry standard for a 100 Mbps baseband CSMA CD local area network Performance Auto negotiation Communication speed 10 Mbps or 100 Mbps and duplex mode full or half can be determined through auto negotiation with the attached devices The Network Jack attempts to negotiate the fastest connection possible 100 Mbps full duplex The communicati...

Страница 56: ... Ethernet Capacitive Power Discovery Process and IEEE 802 3af Power forwarding IEEE 802 3 6 watts 48 volts Features Power Over Ethernet Compatible with IEEE 802 3af and Capacitive Power Discovery Process Local power supply Required for networks that do not support Power Over Ethernet Voice Over IP VoIP Compatible with VoIP standard Power forwarding Power forwarding Port number 1 can be used with a...

Страница 57: ...al installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at the user s own expense Changes or...

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