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User Manual - Page 5
...• VLAN tag add/remove • Firmware upgrade • Rate limiting 1
INSTALLING THE NJ220 INTELLIJACK
The 3Com NJ220 IntelliJack is a 4-port, managed Ethernet switch that supports Power Over Ethernet • Over the network via an optional single-port or multi-port Ethernet power
supply • Locally via an optional local power supply
NOTE: Power Over Ethernet, also known as in-line...
User Manual - Page 8
...Ethernet power supply
Purpose For installing pass-through ports.
For a list of www.3com.com/. Order online at : http://eSupport.3com.com/. 4 CHAPTER 1: INSTALLING THE NJ220 INTELLIJACK
Before You Begin
Obtaining Optional Components
Before you have the following items, which are shipped with the single pack:
• Compact disc with User Guide and Configuration Manager software. •...
User Manual - Page 10
... connected to www.3com.com/.
Detailed installation instructions are included in the sections that supports Power Over Ethernet. • Over the network via a multi-port Ethernet power supply. • Over the network via a single-port Ethernet power supply. • Locally via an integrated switch that follow. Setting up the Power Supply
Power to the IntelliJack can be supplied one of the...
User Manual - Page 11
... socket. For complete installation instructions, see the single-port Ethernet power supply documentation. Using a Single-port Ethernet Power Supply To use the local power supply, make sure you have an electrical outlet near the site where the IntelliJack will be installed. Using the 3Com Local Power Supply To use a single-port power supply, connect the power supply to the network hub...
User Manual - Page 16
... CHAPTER 1: INSTALLING THE NJ220 INTELLIJACK
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 supply from 3Com (see "Obtaining Optional Components" on a wall.
3 Plug the power cable into the IntelliJack. 4 Secure the local power supply and...
User Manual - Page 19
... following steps to configure it to configure IntelliJacks as you need to install the Configuration Manager software:
1 Insert the Configuration Manager software CD into your network. This software should be installed on your particular network. To configure the NJ220, install the Local and Central Configuration managers.
Installing the Local and Central Configuration Managers
Run the...
User Manual - Page 31
.... If you forget the new password, you should change the IntelliJack's configuration password, click on the IntelliJack Local Configuration Manager window.
2 To change the password to ensure that no one else can be able to 3Com. Then enter the new password in both settings are sent to the NJ220 and will not be any other configuration tasks unless you send the device...
User Manual - Page 55
... User Name and Password as well as a supplicant to an 802.1X-enabled upstream switch. When you configure the IntelliJack as an EAP Type setting. Changing Device Configuration 51
26 To set advanced 802.1X security settings, click the Advanced Settings button in the Security Configuration window.
MD5 is the only EAP type that the IntelliJack currently supports. To enable this...
User Manual - Page 58
..., you may want to turn Flow Control On if you want to configure.
36 You can turn on Flow Control for a specific port.
If you would need to set this option to Manual MDIX Configuration so that network traffic can pass between the IntelliJack's PAN port and the device it's plugged into are straight-through the...
User Manual - Page 69
...connected to the network.
I For power over Ethernet, the other end of the IntelliJack and to the connector manufacturer's instructions for manual MDI. Refer to the workgroup switch. I Make sure the upstream switch is configured and active
65 A
Troubleshooting the NJ220
If you encounter problems with the IntelliJack:
I Verify the IntelliJack is receiving power by viewing the Link LED...
User Manual - Page 70
...labeled 1-4. I Make sure the IntelliJack is configured to the user under normal conditions.
66 If the problem persists, try to network device
Unit has detected a problem.
I Contact 3Com Technical Support.
I Make sure the cable is a good straight-through cable. I NOTE: This error should not appear to match the cable -
Troubleshooting the NJ220
Event/Message Green LEDs...
User Manual - Page 72
... repair services.
Restricted Software is released by 3Com as part of software that is available at :
http://eSupport.3com.com/ Telephone Technical To obtain telephone support as a separately ordered product.
68 APPENDIX B: OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS
success of access numbers later in this software, you buy an Express or Guardian contract, a Software Upgrades...
Brochure - Page 2
... troubleshooting and IT asset inventories. The NJ240FX model turns a single, two-fiber multimode cable into four 10/100 switched ports and also provides a pass-through its own internal AC power supply and also supports power forwarding to deploy conventional switches and install additional Ethernet cable.
SEAMLESS INFRASTRUCTURE INTEGRATION IntelliJack switches fully comply with software...
Brochure - Page 3
...level security Supports IEEE 802.1Q VLANs for improved security and monitoring Catalogs IntelliJack switches and devices connected to it, facilitating physical locating Provides 3Com Local Configuration Manager to streamline installation and configuration Provides 3Com Central Configuration Manager for remote monitoring and management from a central location
IntelliJack Model
NJ220 NJ240FX NJ100...
Brochure - Page 4
...-60 Hz IntelliJack Switch Power Supply (for use with mounting screws, 20 RJ-45 coupler cables, 20 blank adapter plates, user guide, quick start guide, user guide; CD-ROM with management utilities
Switch NJ220 20-pack: 20 switches with NJ220 and NJ100): 110/120 VAC, 50-60 Hz; port-level control; Limited Software Warranty for details.
* NJ240FX and NJ220 models
ORDERING INFORMATION...
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