User Guide
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10BASE-T Stackable Hubs Intelligent Series User's Guide Rev. 02w (Oct., 2004) 6SNMPT....01 Printed In Taiwan RECYCLABLE
10BASE-T Stackable Hubs Intelligent Series User's Guide Rev. 02w (Oct., 2004) 6SNMPT....01 Printed In Taiwan RECYCLABLE
User Guide
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... case the user will be required to Part 15 of Contents These limits are designed to correct the interference at his own expense. 10BASE-T Stackable Hubs FCC Warning This equipment has been tested and found to comply with this equipment in a residential area is likely to cause harmful interference in a commercial...
... case the user will be required to Part 15 of Contents These limits are designed to correct the interference at his own expense. 10BASE-T Stackable Hubs FCC Warning This equipment has been tested and found to comply with this equipment in a residential area is likely to cause harmful interference in a commercial...
User Guide
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... 1-2 Innovative Display 1-2 Security ...1-2 Highlights 1-3 General Highlights of the Intelligent Series 1-3 2 EXTERNAL FEATURES AND INDICATORS 2-1 Front and Back Panel Layouts 2-1 Front Panel Indicators 2-3 3 SETTING UP THE HUB 3-1 Power and Environmental Requirements 3-1 Power Connection 3-2 Free-standing Installation 3-3 Rack-Mounting 3-3 Installing the Transceiver Tray 3-4 Table of Contents iii
... 1-2 Innovative Display 1-2 Security ...1-2 Highlights 1-3 General Highlights of the Intelligent Series 1-3 2 EXTERNAL FEATURES AND INDICATORS 2-1 Front and Back Panel Layouts 2-1 Front Panel Indicators 2-3 3 SETTING UP THE HUB 3-1 Power and Environmental Requirements 3-1 Power Connection 3-2 Free-standing Installation 3-3 Rack-Mounting 3-3 Installing the Transceiver Tray 3-4 Table of Contents iii
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... the Power Supply 3-5 4 BUILDING HUB STACKS 4-1 Hub Roles 4-1 Position Within the Stack 4-2 Master Hub Roles 4-2 Slave Hub Roles 4-3 Hub ID...4-4 Daisy-chaining Hubs into a Hub Stack 4-4 Segmenting Hubs 4-5 5 NETWORK CONNECTIONS 5-1 Connecting Stations to the Hub 5-1 Cascading Hub Stacks 5-3 Using Twisted-pair Cabling 5-4 Using Thin Coaxial Cabling 5-5 Using Fiber or Thick Coaxial Cabling 5-6 Multilevel Cascading 5-6 6 USING THE CONSOLE INTERFACE 6-1 Connecting to...
... the Power Supply 3-5 4 BUILDING HUB STACKS 4-1 Hub Roles 4-1 Position Within the Stack 4-2 Master Hub Roles 4-2 Slave Hub Roles 4-3 Hub ID...4-4 Daisy-chaining Hubs into a Hub Stack 4-4 Segmenting Hubs 4-5 5 NETWORK CONNECTIONS 5-1 Connecting Stations to the Hub 5-1 Cascading Hub Stacks 5-3 Using Twisted-pair Cabling 5-4 Using Thin Coaxial Cabling 5-5 Using Fiber or Thick Coaxial Cabling 5-6 Multilevel Cascading 5-6 6 USING THE CONSOLE INTERFACE 6-1 Connecting to...
User Guide
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10BASE-T Stackable Hubs Hub Stack Configuration 6-16 Primary and Backup Master Hubs 6-16 Controlling Hubs in the Hub Stack 6-17 Controlling Individual Ports 6-19 Segmenting Hubs 6-23 Monitoring the Hub Stack 6-24 Displaying Segment, Group, and Port Statistics 6-21 Displaying Node Tracking Information 6-28 Resetting the Hub 6-29 System Reset 6-29 Factory Reset 6-30 A SPECIFICATIONS A-1 B POWER-ON SELF TEST B-1 C BOOT CONFIGURATION FILE C-1 D CABLES AND CONNECTORS D-1 Crossover Cable D-2 Daisy-chain Cable D-3 RS-232 (DB9) Pin Specification D-3 0 Table of Contents v
10BASE-T Stackable Hubs Hub Stack Configuration 6-16 Primary and Backup Master Hubs 6-16 Controlling Hubs in the Hub Stack 6-17 Controlling Individual Ports 6-19 Segmenting Hubs 6-23 Monitoring the Hub Stack 6-24 Displaying Segment, Group, and Port Statistics 6-21 Displaying Node Tracking Information 6-28 Resetting the Hub 6-29 System Reset 6-29 Factory Reset 6-30 A SPECIFICATIONS A-1 B POWER-ON SELF TEST B-1 C BOOT CONFIGURATION FILE C-1 D CABLES AND CONNECTORS D-1 Crossover Cable D-2 Daisy-chain Cable D-3 RS-232 (DB9) Pin Specification D-3 0 Table of Contents v
User Guide
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... used only to differentiate between models. Model numbers are frequently described simply as "hub" or "hubs" wherever the text applies to use Intelligent 10BASE-T Stackable Managed hubs. Building Hub Stacks vi Table of the Intelligent Stackable Managed Hubs. ♦ Chapter 2. 10BASE-T Stackable Hubs ABOUT THIS GUIDE This User's Guide discusses how to both models. Setting up...
... used only to differentiate between models. Model numbers are frequently described simply as "hub" or "hubs" wherever the text applies to use Intelligent 10BASE-T Stackable Managed hubs. Building Hub Stacks vi Table of the Intelligent Stackable Managed Hubs. ♦ Chapter 2. 10BASE-T Stackable Hubs ABOUT THIS GUIDE This User's Guide discusses how to both models. Setting up...
User Guide
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... area network. ♦ Chapter 6. Cables and Connectors Describes the specifications of Contents vii 10BASE-T Stackable Hubs Describes how to configure the hub and a manageable stack using the console program. ♦ Appendix A. Boot Configuration File Describes the hub boot configuration file. ♦ Appendix D. Table of the cables and connectors used for troubleshooting problems with...
... area network. ♦ Chapter 6. Cables and Connectors Describes the specifications of Contents vii 10BASE-T Stackable Hubs Describes how to configure the hub and a manageable stack using the console program. ♦ Appendix A. Boot Configuration File Describes the hub boot configuration file. ♦ Appendix D. Table of the cables and connectors used for troubleshooting problems with...
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Introduction 1-1 The Series allows you build a 10Mbps Ethernet hub stack with twelve or twenty-four ports for twisted-pair cabling, and one AUI port which provides connectivity for a variety of Ethernet wiring environments, from ... port to be used to connect to any type of flexibility. Overview Important features of the Intelligent Series include: Media Connection Flexibility The Intelligent Series hubs support multiple Ethernet media types, with full SNMP manageability, convenient setup, and an unprecedented degree of Ethernet medium. 10BASE-T Stackable...
Introduction 1-1 The Series allows you build a 10Mbps Ethernet hub stack with twelve or twenty-four ports for twisted-pair cabling, and one AUI port which provides connectivity for a variety of Ethernet wiring environments, from ... port to be used to connect to any type of flexibility. Overview Important features of the Intelligent Series include: Media Connection Flexibility The Intelligent Series hubs support multiple Ethernet media types, with full SNMP manageability, convenient setup, and an unprecedented degree of Ethernet medium. 10BASE-T Stackable...
User Guide
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...the port is disabled and a notification is sent to 192 twisted-pair nodes. 10BASE-T Stackable Hubs Stackability and Manageability A stack of information at a glance, including link/receive and partitioning status, bandwidth utilization, collision ratio, runt occurrences, and data transmission errors. ...Up to 8 hubs can be assigned to 100 meters apart and still keep their manageability. If a packet ...
...the port is disabled and a notification is sent to 192 twisted-pair nodes. 10BASE-T Stackable Hubs Stackability and Manageability A stack of information at a glance, including link/receive and partitioning status, bandwidth utilization, collision ratio, runt occurrences, and data transmission errors. ...Up to 8 hubs can be assigned to 100 meters apart and still keep their manageability. If a packet ...
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.... ♦ Switchable uplink port allows stacks of hubs to be easily cascaded together to further expand the network. ♦ Twisted-pair hub stack daisy chain cabling ◊ Allows a total distance of 100 meters between the first hub and the last hub in the daisy-chain. ◊ Expandable network ...capacity up to 8 hubs in a single stack for a maximum of 192 ports (...
.... ♦ Switchable uplink port allows stacks of hubs to be easily cascaded together to further expand the network. ♦ Twisted-pair hub stack daisy chain cabling ◊ Allows a total distance of 100 meters between the first hub and the last hub in the daisy-chain. ◊ Expandable network ...capacity up to 8 hubs in a single stack for a maximum of 192 ports (...
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... support, as well as a rack mountable unit. ♦ FCC Class A compliant. ♦ CE Mark compliant. ♦ VCCI Level 1 compliant. ♦ Hub IDs are automatically assigned during initialization or when daisy chain links are changed. ♦ One RS-232 console port for out-of -band using any SNMPbased network management system. ♦ Flash...
... support, as well as a rack mountable unit. ♦ FCC Class A compliant. ♦ CE Mark compliant. ♦ VCCI Level 1 compliant. ♦ Hub IDs are automatically assigned during initialization or when daisy chain links are changed. ♦ One RS-232 console port for out-of -band using any SNMPbased network management system. ♦ Flash...
User Guide
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Introduction 1-5 10BASE-T Stackable Hubs ♦ Redundant Backup Management ◊ To maximize management uptime, two master hubs can automatically take over to provide uninterrupted traffic monitoring and network control. If the first one goes down, the backup hub can be put in the same stack.
Introduction 1-5 10BASE-T Stackable Hubs ♦ Redundant Backup Management ◊ To maximize management uptime, two master hubs can automatically take over to provide uninterrupted traffic monitoring and network control. If the first one goes down, the backup hub can be put in the same stack.
User Guide
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... this User's Guide. Front and Back Panel Layouts LED Panel Uplink Switch 10BASE-T Ports Figure 2 -1 Front Panel Layout Setting Up the Hub 2-1 10BASE-T Stackable Hubs 2 2 EXTERNAL FEATURES AND INDICATORS This chapter introduces the controls and connectors on the front and rear panels of the front and back panels... between hubs in the series. Only the 24-port models are variations in the appearances of the hub, and explains the front panel display in detail. Figures 2-1, 2-2 and 2-3 show the layouts ...
... this User's Guide. Front and Back Panel Layouts LED Panel Uplink Switch 10BASE-T Ports Figure 2 -1 Front Panel Layout Setting Up the Hub 2-1 10BASE-T Stackable Hubs 2 2 EXTERNAL FEATURES AND INDICATORS This chapter introduces the controls and connectors on the front and rear panels of the front and back panels... between hubs in the series. Only the 24-port models are variations in the appearances of the hub, and explains the front panel display in detail. Figures 2-1, 2-2 and 2-3 show the layouts ...
User Guide
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... a modified crossover cable. ♦ RS-232 Console Port (manageable models only) Used to connect the master hub to network devices using the console interface. 10BASE-T Stackable Hubs AUI Connector Console Port Expansion Module Port Removable Power Supply Daisy-chain Port Figure 2 -2 Back Panel Layout The... port 1 to an uplink port to allow you to connect the hub to an Ethernet switch or another hub with an ordinary straight-through cable instead of the hubs: ♦ Ethernet Ports Used for connecting the hub to a network management station for outof-band communication, or for simple...
... a modified crossover cable. ♦ RS-232 Console Port (manageable models only) Used to connect the master hub to network devices using the console interface. 10BASE-T Stackable Hubs AUI Connector Console Port Expansion Module Port Removable Power Supply Daisy-chain Port Figure 2 -2 Back Panel Layout The... port 1 to an uplink port to allow you to connect the hub to an Ethernet switch or another hub with an ordinary straight-through cable instead of the hubs: ♦ Ethernet Ports Used for connecting the hub to a network management station for outof-band communication, or for simple...
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It allows you to connect Intelligent hubs together into a stack of up to 8 hubs with a maximum of 192 10BASE-T ports. ♦ Expansion Module Port (manageable models only) Used for adding optional expansion modules to be safely and conveniently tucked ... recessed AUI port accommodates most standard transceivers (also known as Media Access Units or MAUs), allowing the transceiver to the hub, such as the 10/100Mbps switch module. 10BASE-T Stackable Hubs ♦ AUI Port Used when connecting the hub to a 10BASE5 "thick Ethernet" backbone, or to other types of two RJ-45 connectors.
It allows you to connect Intelligent hubs together into a stack of up to 8 hubs with a maximum of 192 10BASE-T ports. ♦ Expansion Module Port (manageable models only) Used for adding optional expansion modules to be safely and conveniently tucked ... recessed AUI port accommodates most standard transceivers (also known as Media Access Units or MAUs), allowing the transceiver to the hub, such as the 10/100Mbps switch module. 10BASE-T Stackable Hubs ♦ AUI Port Used when connecting the hub to a 10BASE5 "thick Ethernet" backbone, or to other types of two RJ-45 connectors.
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... data packet is received from the port). If the station to which the hub is connected is powered off, or if there is a problem with the link, the indicator is off . Upon reception, each condition: ◊ Link The indicator of the ports has an LED status indicator for reporting its... link and activity status, and showing whether or not it has been partitioned. The port status indicators always come on the connected segment. While the segment is powered on the port. 10BASE-T Stackable Hubs The hub's front panel display features the following...
... data packet is received from the port). If the station to which the hub is connected is powered off, or if there is a problem with the link, the indicator is off . Upon reception, each condition: ◊ Link The indicator of the ports has an LED status indicator for reporting its... link and activity status, and showing whether or not it has been partitioned. The port status indicators always come on the connected segment. While the segment is powered on the port. 10BASE-T Stackable Hubs The hub's front panel display features the following...
User Guide
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... out-of bytes. An FCS error occurs when a data packet fails an internal consistency check. External Features and Indicators 2-5 10BASE-T Stackable Hubs ◊ Manual Partition The indicator of a port lights amber continually when the port is nothing wrong with it . The mode of the...system, or using the console menu interface. ♦ Master (manageable models only) The Master indicator lights to indicate that the master hub is serving as automatic partitioning, except that data packets have been corrupted during transmission. Manually partitioning a port has the same effect ...
... out-of bytes. An FCS error occurs when a data packet fails an internal consistency check. External Features and Indicators 2-5 10BASE-T Stackable Hubs ◊ Manual Partition The indicator of a port lights amber continually when the port is nothing wrong with it . The mode of the...system, or using the console menu interface. ♦ Master (manageable models only) The Master indicator lights to indicate that the master hub is serving as automatic partitioning, except that data packets have been corrupted during transmission. Manually partitioning a port has the same effect ...
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... over the network with the maximum amount possible. All received Ethernet frames are 2-6 External Features and Indicators The hub is capable of automatically setting the hub ID, freeing you can turn on . This may be caused by overly long delays in the Ethernet network,... of Ethernet bandwidth, comparing the amount of the hub. Ethernet packets must be useful for identifying a specific hub or a hub stack within a large bank of a frame. Normally the hubs are counted, whether they were valid or not. 10BASE-T Stackable Hubs ♦ Late Col (manageable models only) The...
... over the network with the maximum amount possible. All received Ethernet frames are 2-6 External Features and Indicators The hub is capable of automatically setting the hub ID, freeing you can turn on . This may be caused by overly long delays in the Ethernet network,... of Ethernet bandwidth, comparing the amount of the hub. Ethernet packets must be useful for identifying a specific hub or a hub stack within a large bank of a frame. Normally the hubs are counted, whether they were valid or not. 10BASE-T Stackable Hubs ♦ Late Col (manageable models only) The...
User Guide
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Segmenting a hub places it in its own collision domain, while allowing it to be managed with the rest of the stack. 10BASE-T Stackable Hubs connected together into a single Ethernet "collision domain" through the daisy chain connectors on the back. External Features and Indicators 2-7
Segmenting a hub places it in its own collision domain, while allowing it to be managed with the rest of the stack. 10BASE-T Stackable Hubs connected together into a single Ethernet "collision domain" through the daisy chain connectors on the back. External Features and Indicators 2-7
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...rate on all of the devices involved back off and retransmit after a small delay. Collisions occur whenever two or more devices on the manageable hub models; An excessive number of collisions can drastically reduce the bandwidth of the network, and may indicate that the network is overloaded or that ...wiring problem. on the Ethernet network, in port of the hub, and the up arrow indicates that another hub is connected to transmit at the same time; 10BASE-T Stackable Hubs ♦ Daisy-chain in/out The down arrow indicates that another hub in the stack is connected to the daisy-chain in ...
...rate on all of the devices involved back off and retransmit after a small delay. Collisions occur whenever two or more devices on the manageable hub models; An excessive number of collisions can drastically reduce the bandwidth of the network, and may indicate that the network is overloaded or that ...wiring problem. on the Ethernet network, in port of the hub, and the up arrow indicates that another hub is connected to transmit at the same time; 10BASE-T Stackable Hubs ♦ Daisy-chain in/out The down arrow indicates that another hub in the stack is connected to the daisy-chain in ...