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Troubleshooting

30

Troubleshooting Matrix

Event/
Message

Description

Solution

Power LED is
not on

IntelliJack is not
receiving power

Ensure power supply is
properly connected.
For power over
Ethernet, make sure
dip switch settings are
correctly set and that
cable is connected to
both the LAN port on
the back of the
IntelliJack and to the
workgroup switch.

Link LED is
not on

IntelliJack has no
connection to the
network

■

Make sure network
cable is properly
terminated.

■

Make sure the
IntelliJack is
connected to the
network.

■

Make sure the cable
is plugged into the
workgroup switch.

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Содержание 3CNJ105

Страница 1: ...NJ105 IntelliJack 3CNJ105 4 port 10 100 Mbps Unmanaged Ethernet Switch http www 3com com http www 3com com productreg Published July 2003 User guide version 1 0 User Guide ...

Страница 2: ...document in the hard copy documentation or on the removable media in a directory file named LICENSE TXT or LICENSE TXT If you are unable to locate a copy please contact 3Com and a copy will be provided to you UNITED STATES GOVERNMENT LEGEND If you are a United States government agency then this documentation and the software described herein are provided to you subject to the following All technic...

Страница 3: ...nal Components 17 Power Supplies and IP Phone Power Module 17 Mounting Plates and Spacers 18 Power Options 19 Using an Integrated Switch with Power Over Ethernet 20 Using Ethernet Multi port Midspan Power Supply 21 Using a Single port Ethernet Power Supply 23 Using the 3Com Local Power Supply 24 Installation Planning 27 Troubleshooting 29 Troubleshooting Matrix 30 One Year Free Installation Suppor...

Страница 4: ...ts Technical Support 33 Support from Your Network Supplier 35 Support from 3Com 36 Returning Products for Repair 36 3Com Corporation Limited Warranty 37 Limited Warranty and Regulatory Compliance Information ...

Страница 5: ... the 3Com IntelliJack is installed in the wall making it more secure and out of the way than deploying a remote desktop switch The NJ105 IntelliJack allows up to four networking devices such as computers printers Voice over IP VoIP telephones and scanners to be connected to the network via its own Ethernet port A pass through port is provided that allows an additional device to be connected to a s...

Страница 6: ...lation familiarize yourself with the following items which are included with the NJ105 1 NJ105 IntelliJack 2 Four pairs of M3 5 x 25mm screws two per IntelliJack for mounting the IntelliJack to the wall floor box or office cubicle 3 Mounting plate face plate 4 Spacer for optional use with some after market face plates ...

Страница 7: ... match the different mounting locations compatible with the IntelliJack Thread forming screws for mounting into plastic M3 x 30mm 2x M3 x 40mm 2x Machine screws for mounting into metal M3 5 x 30mm 2x M3 5 x 40mm 2x For more information on optional components see Appendix B Optional Components ...

Страница 8: ...rk ports Four 10 100 Mbps auto negotiation ports which the NJ105 configures for 10 Mbps or 100 Mbps connections automatically green LEDs 2 Port LEDs and corresponding port numbers Indicate network status of each of the four RJ 45 PAN ports 3 LAN LED Indicates the status of the LAN connection white cable green LED For more information see Checking the LEDs on page 12 ...

Страница 9: ...device For more information see Checking the LEDs on page 12 7 Local power supply cable strain relief Local power supply cable strain relief 8 Power socket The NJ105 can be powered from a local power supply available for purchase from 3Com This is required if your network does not support Power Over Ethernet PoE 9 Pass through LAN cable Connects directly to your LAN located on the front of the NJ1...

Страница 10: ...About the NJ105 IntelliJack 6 ...

Страница 11: ...work via an Ethernet multi port endspan power supply Over the network via a single port Ethernet power supply Locally via a 3Com local power supply NOTE Power Over Ethernet also known as in line power is a method to provide power to equipment over an Ethernet cable allowing a device to receive both data and power from the same network cable The NJ105 is ideally powered by a switch that is IEEE 802...

Страница 12: ...ich type of power supply the IntelliJack will use For more information on power options and configuration see Appendix C Power Options Mounting the IntelliJack The IntelliJack mounts in any standard British Standard Institute BSI BS 4664 1970 cubicle opening or wall outlet ...

Страница 13: ...twork PAN ports located on the bottom of the IntelliJack The black cable connects the LAN to the single pass through port located on the front of the IntelliJack 3 Choose one pair of the provided screws that best fits your outlet box 4 Tighten the screws while holding the IntelliJack in place NOTE The IntelliJack is designed to be mounted using the provided mounting plate or many after market face...

Страница 14: ...ct devices 1 RJ 45 Personal Area Network PAN Ports any of the four switched ports on the bottom of the IntelliJack All ports feature 10 100 Mbps auto negotiation which configures the NJ105 IntelliJack for 10 Mbps or 100 Mbps connections automatically 2 Pass through port a single pass through port is provided that allows an additional device to be connected to a separate network segment through the...

Страница 15: ...rst connect power to the IntelliJack there is a delay of approximately 5 seconds The power LED light blinks once or twice before remaining solid on Off the IntelliJack is not receiving power Power forwarding On the IntelliJack is connected to and is forwarding power to an IEEE 802 3af compliant device Off the IntelliJack is not connected to or is not forwarding power to an IEEE 802 3af compliant d...

Страница 16: ...Installing the IntelliJack 12 ...

Страница 17: ...depending on the device drawing power Network Interface 10 Mbps Ethernet 10BASE T Ethernet IEEE 802 3 industry standard for a 10 Mbps baseband CSMA CD local area network 100 Mbps Ethernet 100BASE TX Ethernet IEEE 802 3u industry standard for a 100 Mbps baseband CSMA CD local area network A Specifications ...

Страница 18: ...on speed and duplex mode can also be controlled using the configuration management software Environment Operating temperature 32 to 104 F 0 to 40 C Storage temperature 22 to 194 F 30 to 90 C Operating humidity 10 90 noncondensing Storage humidity 10 90 noncondensing Operating Altitude 8 000 ft max Storage Altitude 20 000 ft max Standards Conformance IEEE 802 3 10BASE T 100BASE TX and auto negotiat...

Страница 19: ...uired 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 any standard networking device as well as to power a device such as a VoIP telephone on a network that uses IEEE 802 3af compatible Power Over Ethernet ...

Страница 20: ...Specifications 16 ...

Страница 21: ...rt Endspan Power Supply For providing Power Over Ethernet to power up to 24 IntelliJacks 802 3af compliant integrated switch 3C17205 Single port Ethernet power supply For providing Power Over Ethernet to locally power a single IntelliJack 3CNJPSE Local power supply For locally powering a single IntelliJack required if your network does not support Power Over Ethernet 3CNJPSL NBX Phone Power Module...

Страница 22: ...05 and NJ205 IntelliJack devices in a UK style two or double gang box 3CNJMP FLR Mounting plate that enables the installation of the NJ105 or NJ205 IntelliJack in a floor box 3CNJMP SPR Mounting plate used to securely install an NJ105 or NJ205 IntelliJack in wall openings with built in trim rings as found in Spain and other locations 3CNJMP FR Mounting plate that enables the installation of the NJ...

Страница 23: ...om IntelliJack AC Power Supply 3CNJPSL Before you begin the installation determine which type of power supply the IntelliJack will use NOTE For additional information on power supplies that support the IntelliJack go to www 3com com CAUTION Use only a power supply that is provided or approved by 3Com with the IntelliJack Failure to do so may result in damage to the IntelliJack or may result in a h...

Страница 24: ...net integrated into it Connect the network data power cable to the IntelliJack white cable as shown in the following illustration NOTE The black cable can also be connected to an Ethernet multi port midspan power supply and will power an IEEE 802 3af device connected to the pass through port on the IntelliJack but it will not provide power to the IntelliJack ...

Страница 25: ...n existing Ethernet or Fast Ethernet infrastructure with standard Category 5 or better cabling and powers up to 24 IntelliJack devices For complete installation instructions see the Ethernet multi port midspan power supply documentation located at www 3Com com Connect the network data voice power cable to the IntelliJack white cable as shown in the following illustration Connect the network second...

Страница 26: ...he black cable can also be connected to Ethernet multi port midspan power supply and will power an IEEE 802 3af device if connected to the pass through port on the IntelliJack but it will not provide power to the IntelliJack ...

Страница 27: ...thernet Power Supply To use a single port Ethernet power supply connect the power supply to the network hub or switch and to the IntelliJack white cable as shown in the following illustration The black cable should be connected to a data port on the wire closet switch ...

Страница 28: ...if you are not using a single port or multi port endspan power supply you must purchase a local power supply from 3Com See Appendix B Obtaining Optional Components To power the IntelliJack with a local power supply make sure you have an electrical outlet near the site where the IntelliJack will be installed ...

Страница 29: ... 2 Plug the power cable into the IntelliJack 3 Check to ensure that the cable is secure in the strain relief 4 Route the cable behind the trim ring from top to bottom 5 Secure the local power supply and cable to the wall 6 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 IntelliJack or may result i...

Страница 30: ...Power Options 26 ...

Страница 31: ...omplies with the British Standard Institute BSI BS 4664 1970 standard as described below Make sure the distance between the back of the IntelliJack and the inside of the wall or cubicle opening is at least 25mm to maintain an acceptable bend radius on the cable D Installation Planning ...

Страница 32: ...ning may already be installed If it is not install the cabling following these general guidelines WARNING The NJ105 is designed to be mounted using the provided mounting plate or many after market faceplates However some after market faceplates stand out from the wall and do not provide a secure mounting surface for the IntelliJack In such cases it is recommended to place the 3Com spacer between t...

Страница 33: ...ply that supports Power Over Ethernet If using a local power supply the power supply is plugged into the IntelliJack and into a working electrical outlet Verify the IntelliJack is connected to the network properly 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 th...

Страница 34: ...r Ethernet make sure dip switch settings are correctly set and that cable is connected to both the LAN port on the back of the IntelliJack and to the workgroup switch Link LED is not on IntelliJack has no connection to the network Make sure network cable is properly terminated Make sure the IntelliJack is connected to the network Make sure the cable is plugged into the workgroup switch ...

Страница 35: ...able is a good straight through cable Amber LED on Port 1 is not lit Power is not being forwarded to network device Make sure the cable is properly connected to the network device Make sure the cable is firmly connected to one of the four IntelliJack ports labeled 1 4 Make sure the cable is a good straight through cable Make sure network device is 802 3af compatible Make sure the power requirement...

Страница 36: ...evice Attributes Error Unexpected configuration parameters Confirm that you have specified valid parameter values and retry the configuration operation NOTE This error should not appear to the user under normal conditions General Error Something other than authentication failure timeout or attributes error has occurred Retry the operation you were performing NOTE This error should not appear to th...

Страница 37: ...on World Wide Web site www 3com com One Year Free Installation Support 3Com provides free installation and troubleshooting telephone support for this product for 90 days from the date of purchase Hours of operation are subject to change See Support from 3Com on page 36 Online Technical Services 3Com offers worldwide product support 24 hours a day 7 days a week through the following online systems ...

Страница 38: ...is interactive tool contains technical product information compiled by 3Com expert technical engineers around the globe Located on the World Wide Web at http knowledgebase 3com com this service gives all 3Com customers and partners complementary around the clock access to technical information on most 3Com products 3Com FTP Site Download drivers patches software and MIBs across the Internet from t...

Страница 39: ... and support services When you consult your network supplier have the following information ready Product model name part number and serial number A list of system hardware and software including revision levels Diagnostic error messages Details about recent configuration changes if applicable If you are unable to consult your network supplier see the following section on how to contact 3Com NOTE ...

Страница 40: ...sistance have the following information ready Product model name part number and serial number A list of system hardware and software including revision 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 witho...

Страница 41: ... user FOR NON US CUSTOMERS Where a limited lifetime warranty is not permitted by local law a 10 year warranty period shall be given by 3Com The duration of this warranty shall be modified where necessary to meet any minimum warranty period required by law 3Com s sole obligation under this express warranty shall be at 3Com s option and expense to repair the defective product or part deliver to Cust...

Страница 42: ...3Com shall not be responsible for any software firmware information or memory data of Customer contained in stored on or integrated with any products returned to 3Com for repair whether under warranty or not WARRANTIES EXCLUSIVE WARRANTY DISCLAIMER TO THE FULL EXTENT ALLOWED BY LAW THE FOREGOING WARRANTIES AND REMEDIES ARE EXCLUSIVE AND ARE IN LIEU OF ALL OTHER WARRANTIES TERMS OR CONDITIONS EXPRE...

Страница 43: ...HALL FAIL OF ITS ESSENTIAL PURPOSE Some countries states or provinces do not allow the exclusion or limitation of implied warranties or the limitation of incidental or consequential damages for certain products supplied to consumers or the limitation of liability for death or personal injury so the above limitations and exclusions may be limited in their application to you When the implied warrant...

Страница 44: ...his 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 modifications not expressly approved by 3Com could void the user s authority to operate this equipment FCC Declaration of Conformity We declare under our sole responsibility that the to which this declaration relates is...

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