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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... can radiate radio frequency energy and, if not installed and used in which case the user will be required to take adequate measures. 10BASE-T Stackable Hubs FCC Warning This equipment has been tested and found to comply with this user's guide, may cause harmful interference to radio communications. In a domestic environment...
... can radiate radio frequency energy and, if not installed and used in which case the user will be required to take adequate measures. 10BASE-T Stackable Hubs FCC Warning This equipment has been tested and found to comply with this user's guide, may cause harmful interference to radio communications. In a domestic environment...
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
User Guide
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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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...as "hub" or "hubs" wherever the text applies to both models. Setting up the Hub Describes basic installation procedures for setting up the hub. ♦ Chapter 4. This series includes: ♦ the 12/24-port stackable managed master hub, and ♦ the 12/24-port standard hub. ...: ♦ Chapter 1. Building Hub Stacks vi Table of the hub's front panel, rear panel, and display indicators. ♦ Chapter 3. In this User's Guide, the Intelligent Series stackable hubs are normally used only to use Intelligent 10BASE-T Stackable Managed hubs. Indicators Introduces the layout of ...
...as "hub" or "hubs" wherever the text applies to both models. Setting up the Hub Describes basic installation procedures for setting up the hub. ♦ Chapter 4. This series includes: ♦ the 12/24-port stackable managed master hub, and ♦ the 12/24-port standard hub. ...: ♦ Chapter 1. Building Hub Stacks vi Table of the hub's front panel, rear panel, and display indicators. ♦ Chapter 3. In this User's Guide, the Intelligent Series stackable hubs are normally used only to use Intelligent 10BASE-T Stackable Managed hubs. Indicators Introduces the layout of ...
User Guide
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... Specifications Provides information on a local area network. ♦ Chapter 6. 10BASE-T Stackable Hubs Describes how to configure the hub and a manageable stack using the console program. ♦ Appendix A. Using the Console Interface Describes how to stack master and slave hubs into an integrated hub stack. ♦ Chapter 5. Cables and Connectors Describes the specifications of the...
... Specifications Provides information on a local area network. ♦ Chapter 6. 10BASE-T Stackable Hubs Describes how to configure the hub and a manageable stack using the console program. ♦ Appendix A. Using the Console Interface Describes how to stack master and slave hubs into an integrated hub stack. ♦ Chapter 5. Cables and Connectors Describes the specifications of the...
User Guide
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...: Media Connection Flexibility The Intelligent Series hubs support multiple Ethernet media types, with full SNMP manageability, convenient setup, and an unprecedented degree of flexibility. 10BASE-T Stackable Hubs 1 1 INTRODUCTION The Intelligent Stackable Managed Hub Series lets you to remote branch offices.... The Series allows you build a 10Mbps Ethernet hub stack with twelve or twenty-four ports for twisted-pair...
...: Media Connection Flexibility The Intelligent Series hubs support multiple Ethernet media types, with full SNMP manageability, convenient setup, and an unprecedented degree of flexibility. 10BASE-T Stackable Hubs 1 1 INTRODUCTION The Intelligent Stackable Managed Hub Series lets you to remote branch offices.... The Series allows you build a 10Mbps Ethernet hub stack with twelve or twenty-four ports for twisted-pair...
User Guide
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... management agent, to provide a connectivity solution for departmental Ethernet networks ranging up to the network manager. 1-2 Introduction 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. Bandwidth can be substantially increased using UTP or...
... management agent, to provide a connectivity solution for departmental Ethernet networks ranging up to the network manager. 1-2 Introduction 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. Bandwidth can be substantially increased using UTP or...
User Guide
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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 (...
User Guide
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10BASE-T Stackable Hubs ♦ SNMP-View Network Management Program available for software upgradeability (downloadable from TFTP Server. Initiate download request from either SNMP-View or an outof-band ... desktop unit or 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...
10BASE-T Stackable Hubs ♦ SNMP-View Network Management Program available for software upgradeability (downloadable from TFTP Server. Initiate download request from either SNMP-View or an outof-band ... desktop unit or 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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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. 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.
User Guide
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... panel, rear panel, and display of the front and back panels between hubs in detail. 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 hub, and explains the front panel display in the series. Note that there ...are depicted in this User's Guide. Only the 24-port models are variations in the appearances of the stackable hubs. Front and Back Panel Layouts LED Panel Uplink...
... panel, rear panel, and display of the front and back panels between hubs in detail. 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 hub, and explains the front panel display in the series. Note that there ...are depicted in this User's Guide. Only the 24-port models are variations in the appearances of the stackable hubs. Front and Back Panel Layouts LED Panel Uplink...
User Guide
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... components are found on each port means the ports are MDI-X ports, which connect to workstations and servers using straight-through cables and to other hubs using crossover cables. ♦ Port 1 Uplink Switch Converts port 1 to an uplink port to allow you to connect the... hub to network devices using the console interface. The console port has a standard 9-pin RS-232 female connector. 2-2 External Features and Indicators The X label marked on ...
... components are found on each port means the ports are MDI-X ports, which connect to workstations and servers using straight-through cables and to other hubs using crossover cables. ♦ Port 1 Uplink Switch Converts port 1 to an uplink port to allow you to connect the... hub to network devices using the console interface. The console port has a standard 9-pin RS-232 female connector. 2-2 External Features and Indicators The X label marked on ...
User Guide
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...a maximum of 192 10BASE-T ports. ♦ Expansion Module Port (manageable models only) Used for adding optional expansion modules to the hub, such as Media Access Units or MAUs), allowing the transceiver to other types of two RJ-45 connectors. The recessed AUI port accommodates... most standard transceivers (also known 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 be safely and conveniently tucked away. ♦ Daisy-chain Port The daisy...
...a maximum of 192 10BASE-T ports. ♦ Expansion Module Port (manageable models only) Used for adding optional expansion modules to the hub, such as Media Access Units or MAUs), allowing the transceiver to other types of two RJ-45 connectors. The recessed AUI port accommodates... most standard transceivers (also known 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 be safely and conveniently tucked away. ♦ Daisy-chain Port The daisy...
User Guide
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... of each data packet will be transmitted through all other connected ports on the hub (or in the hub stack). ◊ Auto-partition 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. When ... receiving packets on 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 connected to a powered Ethernet station. Upon reception, each condition: ◊ Link The indicator of a port blinks green when the port is received...
... of each data packet will be transmitted through all other connected ports on the hub (or in the hub stack). ◊ Auto-partition 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. When ... receiving packets on 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 connected to a powered Ethernet station. Upon reception, each condition: ◊ Link The indicator of a port blinks green when the port is received...
User Guide
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... network management system. ♦ FCS/Align (manageable models only) The FCS (Frame Check Sequence)/Align indicator lights amber to indicate whether the hub's RS-232 console port is serving as automatic partitioning, except that you must also manually re-enable it , for out-of-band network ... that data packets have been corrupted during transmission. An FCS error occurs when a data packet fails an internal consistency check. 10BASE-T Stackable Hubs ◊ Manual Partition The indicator of bytes. The mode of the console port may be partitioned and re-enabled using an SNMP-based ...
... network management system. ♦ FCS/Align (manageable models only) The FCS (Frame Check Sequence)/Align indicator lights amber to indicate whether the hub's RS-232 console port is serving as automatic partitioning, except that you must also manually re-enable it , for out-of-band network ... that data packets have been corrupted during transmission. An FCS error occurs when a data packet fails an internal consistency check. 10BASE-T Stackable Hubs ◊ Manual Partition The indicator of bytes. The mode of the console port may be partitioned and re-enabled using an SNMP-based ...
User Guide
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...Late Col indicator lights when a collision is detected that is too high. ♦ Runt (manageable models only) The Runt indicator lights when the hub receives a packet that happened after the 512th bit of the network. Runts are often a normal side effect of collisions. ♦ Other (... Ethernet errors occur. ♦ Utilization % The utilization bar graph displays the percentage utilization of Ethernet bandwidth, comparing the amount of the hub. This may be at least 64 bytes long. All received Ethernet frames are 2-6 External Features and Indicators Using the console interface, you...
...Late Col indicator lights when a collision is detected that is too high. ♦ Runt (manageable models only) The Runt indicator lights when the hub receives a packet that happened after the 512th bit of the network. Runts are often a normal side effect of collisions. ♦ Other (... Ethernet errors occur. ♦ Utilization % The utilization bar graph displays the percentage utilization of Ethernet bandwidth, comparing the amount of the hub. This may be at least 64 bytes long. All received Ethernet frames are 2-6 External Features and Indicators Using the console interface, you...
User Guide
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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 Segmenting a hub places it in its own collision domain, while allowing it to be managed with the rest of the stack.
User Guide
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...is some sort of hardware or wiring problem. The Col Ratio is only displayed on the Ethernet network, in port of the hub, and the up arrow indicates that another hub is connected to the daisy-chain out port. ♦ Col Ratio (manageable models only) The Col Ratio bar graph displays... the collision rate on the manageable hub models; 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 units of tens of collisions per second. on...
...is some sort of hardware or wiring problem. The Col Ratio is only displayed on the Ethernet network, in port of the hub, and the up arrow indicates that another hub is connected to the daisy-chain out port. ♦ Col Ratio (manageable models only) The Col Ratio bar graph displays... the collision rate on the manageable hub models; 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 units of tens of collisions per second. on...