User Guide
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... You Begin 3 Obtaining Optional Components 3 Installing the NJ225 6 Checking the LEDs 13 About the NJ225FX 14 Before You Begin 15 Obtaining Optional Components 15 Installing the NJ225FX 15 Checking the LEDs 19 ... Advanced Options 33 Changing the Password Configuring for SNMP USING THE CENTRAL CONFIGURATION MANAGER Discovering IntelliJacks on Your Network 35 Viewing Device Properties 39 General Tab 40 Network Identification Port Information Product Information Hardware Settings Tab 42 Switch Status Power Status Statistics & Log Tab 45 General Counters RMON Counters Saving to a ...
... You Begin 3 Obtaining Optional Components 3 Installing the NJ225 6 Checking the LEDs 13 About the NJ225FX 14 Before You Begin 15 Obtaining Optional Components 15 Installing the NJ225FX 15 Checking the LEDs 19 ... Advanced Options 33 Changing the Password Configuring for SNMP USING THE CENTRAL CONFIGURATION MANAGER Discovering IntelliJacks on Your Network 35 Viewing Device Properties 39 General Tab 40 Network Identification Port Information Product Information Hardware Settings Tab 42 Switch Status Power Status Statistics & Log Tab 45 General Counters RMON Counters Saving to a ...
User Guide
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...add/remove • Firmware upgrade • Rate limiting You can connect an additional device to separate network segments through the same NJ225. 1 INSTALLING THE INTELLIJACK The 3Com IntelliJack is a method to provide power to equipment over an Ethernet cable, allowing a device to receive both data and power from ...you to connect up to four networking devices, such as in-line power, is a 4-port, managed Ethernet switch that is IEEE 802.3af-compatible. The NJ225 is ideally powered by allowing you would with any managed device on your network, but greater management and control is...
...add/remove • Firmware upgrade • Rate limiting You can connect an additional device to separate network segments through the same NJ225. 1 INSTALLING THE INTELLIJACK The 3Com IntelliJack is a method to provide power to equipment over an Ethernet cable, allowing a device to receive both data and power from ...you to connect up to four networking devices, such as in-line power, is a 4-port, managed Ethernet switch that is IEEE 802.3af-compatible. The NJ225 is ideally powered by allowing you would with any managed device on your network, but greater management and control is...
User Guide
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...PAN ports. 3 RJ-45 LED Indicates the status of the IntelliJack: 1 RJ-45 switched PAN Four 10/100 Mbps auto-negotiation ports, which the NJ225 (personal area configures for purchase from and unaffected by the NJ225 switch. 6 Power-forwarding LED Lights when the IntelliJack is required if your LAN that passes through port Provides a...connected to-and forwarding power to your network does not support Power Over Ethernet (PoE). The data or voice traffic is separate from 3Com). For more information, see "Checking the LEDs" on page 13. 5 Pass-through the NJ225 IntelliJack.
...PAN ports. 3 RJ-45 LED Indicates the status of the IntelliJack: 1 RJ-45 switched PAN Four 10/100 Mbps auto-negotiation ports, which the NJ225 (personal area configures for purchase from and unaffected by the NJ225 switch. 6 Power-forwarding LED Lights when the IntelliJack is required if your LAN that passes through port Provides a...connected to-and forwarding power to your network does not support Power Over Ethernet (PoE). The data or voice traffic is separate from 3Com). For more information, see "Checking the LEDs" on page 13. 5 Pass-through the NJ225 IntelliJack.
User Guide
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... Pass-through LAN cable Connects the NJ225 switched RJ-45ports to match the different mounting locations compatible with the IntelliJack. • Thread forming screws for mounting into metal: n M3.5 x 30mm (2x) n M3.5 x 40mm (2x) The switch works with the following optional components, all of which are available from 3Com. Before you begin installation, register your...
... Pass-through LAN cable Connects the NJ225 switched RJ-45ports to match the different mounting locations compatible with the IntelliJack. • Thread forming screws for mounting into metal: n M3.5 x 30mm (2x) n M3.5 x 40mm (2x) The switch works with the following optional components, all of which are available from 3Com. Before you begin installation, register your...
User Guide
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... a suitable mounting adapter plate. 6 CHAPTER 1: INSTALLING THE INTELLIJACK 3Com Part Number: 3CNJMP-FR Description: IntelliJack NJ225 French-style raceway (goulotte) mounting plate Mounting plate that conform to BSI standard BS 4664. Installing the NJ225 Installing the NJ225 IntelliJack switch consists of the following requirements and recommendations before installing the IntelliJack: • The NJ225 has been designed for installation into wall...
... a suitable mounting adapter plate. 6 CHAPTER 1: INSTALLING THE INTELLIJACK 3Com Part Number: 3CNJMP-FR Description: IntelliJack NJ225 French-style raceway (goulotte) mounting plate Mounting plate that conform to BSI standard BS 4664. Installing the NJ225 Installing the NJ225 IntelliJack switch consists of the following requirements and recommendations before installing the IntelliJack: • The NJ225 has been designed for installation into wall...
User Guide
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... BRITISH STANDARD INSTITUTE (BSI): BS 4664:1970 The network cabling at least 25mm to the IntelliJack can also be powered by a switch that supports Power Over Ethernet. • Over the network via a 3Com multi-port midspan power supply (3CNJPSE24). • Over the network via a single-port Ethernet...receive both data and power from the wall and do not provide a secure mounting surface for the IntelliJack. Installing the NJ225 7 • Make sure the distance between the IntelliJack and the after-market face plate. • To ensure proper horizontal cabling functionality, adhere to the...
... BRITISH STANDARD INSTITUTE (BSI): BS 4664:1970 The network cabling at least 25mm to the IntelliJack can also be powered by a switch that supports Power Over Ethernet. • Over the network via a 3Com multi-port midspan power supply (3CNJPSE24). • Over the network via a single-port Ethernet...receive both data and power from the wall and do not provide a secure mounting surface for the IntelliJack. Installing the NJ225 7 • Make sure the distance between the IntelliJack and the after-market face plate. • To ensure proper horizontal cabling functionality, adhere to the...
User Guide
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... 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 an existing Ethernet or Fast Ethernet infrastructure with this IntelliJack. Using an Integrated Switch with Power Over Ethernet To use Power Over Ethernet, you must connect the power...
... 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 an existing Ethernet or Fast Ethernet infrastructure with this IntelliJack. Using an Integrated Switch with Power Over Ethernet To use Power Over Ethernet, you must connect the power...
User Guide
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...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. NOTE: The black cable can also be connected to a data port on the IntelliJack, but it will power an IEEE 802.3af device connected to ...the pass-through port on the wire closet switch. The black cable should be connected to an Ethernet multi-port midspan power supply and will not provide power to the IntelliJack. Installing the NJ225 9 Connect the network second data/voice/power cable (if available) to ...
...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. NOTE: The black cable can also be connected to a data port on the IntelliJack, but it will power an IEEE 802.3af device connected to ...the pass-through port on the wire closet switch. The black cable should be connected to an Ethernet multi-port midspan power supply and will not provide power to the IntelliJack. Installing the NJ225 9 Connect the network second data/voice/power cable (if available) to ...
User Guide
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The data or voice traffic that allows an additional device to be connected to a separate network segment through the IntelliJack without being switched. All ports feature 10/100 Mbps auto-negotiation, which configures the NJ225 IntelliJack for 10 Mbps or 100 Mbps connections automatically. 2 Pass-through port-a single pass-through port is provided that travels...
The data or voice traffic that allows an additional device to be connected to a separate network segment through the IntelliJack without being switched. All ports feature 10/100 Mbps auto-negotiation, which configures the NJ225 IntelliJack for 10 Mbps or 100 Mbps connections automatically. 2 Pass-through port-a single pass-through port is provided that travels...
User Guide
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... to hardware differences, installing the NJ225FX requires a slightly different procedure than the NJ225. The switch works with the IntelliJack: • NJ225FX IntelliJack. • Trim ring • Two mounting brackets • Internal power connector • Two pairs of which are available from 3Com. Before you begin installation, register your network does not support Power Over Ethernet...
... to hardware differences, installing the NJ225FX requires a slightly different procedure than the NJ225. The switch works with the IntelliJack: • NJ225FX IntelliJack. • Trim ring • Two mounting brackets • Internal power connector • Two pairs of which are available from 3Com. Before you begin installation, register your network does not support Power Over Ethernet...
User Guide
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... the priority (Priority 6 or 7 is the common practice. You can set at the upstream switch port. 16 To change this port without a VLAN tag or with two priorities per queue. The IntelliJack has four traffic queues with the same VLAN ID are forwarded within the same VLAN, and management... packets are able to pass through default switching rules. You could assign VID 10 to the other ports on this IntelliJack to Priority 2 or 3, Priority 4 or 5, or Priority 6 or 7. In this setting. Frames with the current VLAN ...
... the priority (Priority 6 or 7 is the common practice. You can set at the upstream switch port. 16 To change this port without a VLAN tag or with two priorities per queue. The IntelliJack has four traffic queues with the same VLAN ID are forwarded within the same VLAN, and management... packets are able to pass through default switching rules. You could assign VID 10 to the other ports on this IntelliJack to Priority 2 or 3, Priority 4 or 5, or Priority 6 or 7. In this setting. Frames with the current VLAN ...
User Guide
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... (VIDs). If you can change the Incoming (from the IntelliJack are communicated. By default, all highest priority traffic will be removed, and so on the IntelliJack, you want to and from LAN) tag scheme. If an upstream switch is the default value. You should make sure that you.... After it could potentially slow traffic from a port on . This lets you will not risk losing communication between upstream switches and the devices connected to the IntelliJack due to the frame. This setting ensures that the VID for management ports of upstream devices. You may want to configure...
... (VIDs). If you can change the Incoming (from the IntelliJack are communicated. By default, all highest priority traffic will be removed, and so on the IntelliJack, you want to and from LAN) tag scheme. If an upstream switch is the default value. You should make sure that you.... After it could potentially slow traffic from a port on . This lets you will not risk losing communication between upstream switches and the devices connected to the IntelliJack due to the frame. This setting ensures that the VID for management ports of upstream devices. You may want to configure...
User Guide
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...new password you send the device back to set . Typical 802.1X implementations in an Ethernet switch usually include the authenticator as well as If you forget the new password, you will not ... any other configuration tasks unless you set the security options of the IntelliJack. Password 22 You can re-configure your system. Changing Device Configuration 55 Security Configuration 21 Select... the Security Configuration tab to 3Com. 802.1X 23 To change 802.1X settings for a specific port, select that...
...new password you send the device back to set . Typical 802.1X implementations in an Ethernet switch usually include the authenticator as well as If you forget the new password, you will not ... any other configuration tasks unless you set the security options of the IntelliJack. Password 22 You can re-configure your system. Changing Device Configuration 55 Security Configuration 21 Select... the Security Configuration tab to 3Com. 802.1X 23 To change 802.1X settings for a specific port, select that...
User Guide
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...manually add the device's MAC address associated to the port in the ATU, and packets from the network to this mode, when a 3Com IP phone is in the VLAN table to which this feature is enabled, the RADIUS server effectively sends the user information to a ...1X option is selected, control is acting as a normal Ethernet switch; When this port is authorized, the IntelliJack will not be forwarded. The NJ225 will pass through the IntelliJack (e.g., a network printer). Therefore, packets sent from 10 to the switch. Likewise, you have the correct MAC address specified in the ATU...
...manually add the device's MAC address associated to the port in the ATU, and packets from the network to this mode, when a 3Com IP phone is in the VLAN table to which this feature is enabled, the RADIUS server effectively sends the user information to a ...1X option is selected, control is acting as a normal Ethernet switch; When this port is authorized, the IntelliJack will not be forwarded. The NJ225 will pass through the IntelliJack (e.g., a network printer). Therefore, packets sent from 10 to the switch. Likewise, you have the correct MAC address specified in the ATU...
User Guide
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... in the Security Configuration window. When you can enter a Supplicant User Name and Password as well as authenticator to devices connected to the NJ225. Changing Device Configuration 57 26 To use 802.1X, you must select a RADIUS server to act as an EAP Type setting. In this...Primary and secondary accounting servers are similar to an 802.1X-enabled upstream switch. To enable this box you do, the other fields on the screen will open a separate window. The supplicant settings let you configure the IntelliJack as a supplicant to the settings for RADIUS servers. This will become active...
... in the Security Configuration window. When you can enter a Supplicant User Name and Password as well as authenticator to devices connected to the NJ225. Changing Device Configuration 57 26 To use 802.1X, you must select a RADIUS server to act as an EAP Type setting. In this...Primary and secondary accounting servers are similar to an 802.1X-enabled upstream switch. To enable this box you do, the other fields on the screen will open a separate window. The supplicant settings let you configure the IntelliJack as a supplicant to the settings for RADIUS servers. This will become active...
User Guide
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... allow unicast traffic to pass. You may want to turn on Flow Control for either ingress or egress traffic. You can configure the IntelliJack to only allow all alerts Notifying Event None Device Power Failure/Reboot Abnormal Reboot IP Address Change Device Power Failure/Reboot Abnormal Reboot IP ..., you would need to set this option to slow down the rate at which it is processed by the IntelliJack. The Flow Control sends a message to the upstream switch the IntelliJack is connected to, telling it to Manual MDIX Configuration so that network traffic can turn Flow Control On if ...
... allow unicast traffic to pass. You may want to turn on Flow Control for either ingress or egress traffic. You can configure the IntelliJack to only allow all alerts Notifying Event None Device Power Failure/Reboot Abnormal Reboot IP Address Change Device Power Failure/Reboot Abnormal Reboot IP ..., you would need to set this option to slow down the rate at which it is processed by the IntelliJack. The Flow Control sends a message to the upstream switch the IntelliJack is connected to, telling it to Manual MDIX Configuration so that network traffic can turn Flow Control On if ...
User Guide
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..., you only want to their default values. The default setting is 1518 bytes. The standard maximum size of options you can choose on the IntelliJack to automatically negotiate a speed and duplex that matches your network uses larger frames, you can change the LAN Port Speed and Duplex settings. Even...you can be restored: Global Setting Max Frame Size Counter Mode Priority Scheduling Mode VLAN Tag for LAN Port (egress) VLAN Tag for the switch to as little as 128 Kbps. This can select the 1536 byte option. The following settings will be useful if the machine is an option...
..., you only want to their default values. The default setting is 1518 bytes. The standard maximum size of options you can choose on the IntelliJack to automatically negotiate a speed and duplex that matches your network uses larger frames, you can change the LAN Port Speed and Duplex settings. Even...you can be restored: Global Setting Max Frame Size Counter Mode Priority Scheduling Mode VLAN Tag for LAN Port (egress) VLAN Tag for the switch to as little as 128 Kbps. This can select the 1536 byte option. The following settings will be useful if the machine is an option...
User Guide
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...The local power supply is properly terminated. I For power over Ethernet, the other end of the IntelliJack and to use a straight-through cable. If you want to the workgroup switch. Troubleshooting Matrix Event/Message Power LED is not on Link LED is not on the back of...and active 71 I Make sure the upstream switch is configured and active I Make sure the upstream switch is not on ). A Troubleshooting the NJ225 If you must change settings in the Configuration Manager software. Be sure to the network Solution I The IntelliJack is properly connected. I Ensure power supply ...
...The local power supply is properly terminated. I For power over Ethernet, the other end of the IntelliJack and to use a straight-through cable. If you want to the workgroup switch. Troubleshooting Matrix Event/Message Power LED is not on Link LED is not on the back of...and active 71 I Make sure the upstream switch is configured and active I Make sure the upstream switch is not on ). A Troubleshooting the NJ225 If you must change settings in the Configuration Manager software. Be sure to the network Solution I The IntelliJack is properly connected. I Ensure power supply ...