MAC Address Table and Learning
Contents
1. Rear Panel The rear panel includes a power cord input for the built in universal power supply Side Panel The side panels include mounting holes to be used when installing the switch onto a standard 19 rack Hardware Description HFS24T 24 Port 10 100M Rack Mount Switch The LED indicators will help you monitor the status of each port and connected segment The functions of the LED indicators are described below LED Indicators Description Power The indicator is lit green when the power is on Otherwise it remains unlit 10 100M LEDs from the two rows labeled 10 100M are lit when there is a 100Mbps connection or link to a corresponding port and remain unlit when there is a 10Mbps connection Link Activity LEDs from the two rows labeled Link Activity are lit when there is a connection to a corresponding port and blink whenever reception or transmission 1 e Activity of data is taking place If the port is connected but the Link Activity LED is dark check the following items If the switch and connected devices are powered on The port s cable is firmly connected to the switch and associated device The connecting cable is of the correct type If the connecting device and or network adapter is functioning properly oo a 10 Hardware Installation HFS24T 24 Port 10 100M Rack Mount Switch The HFS24T is a Plug and Play network device and does not require any special setup proc2. ACCOMPANYING SOFTWARE OR ITS DOCUMENTATION Hawking Technology makes no warranty or representation expressed implied or statutory with respect to its products or the contents or use of this documentation and all accompanying software and specifically disclaims its quality performance merchantability or fitness for any particular purpose Hawking Technology reserves the right to revise or update its products software or documentation without obligation to notify any individual or entity Please direct all inquiries to techsupport hawkingtech com Table of Contents HFS24T 24 Port 10 100M Rack Mount Switch Package Contents Introduction Features Select Features Summary Hardware Description Hardware Installation N way Process Specifications Package Contents HFS24T 24 Port 10 100M Rack Mount Switch The complete HFS24T package consists of One HFS24T 24 Port 10 100M Rack Mount Switch Four rubber feet with adhesive backing rubber feet may already come installed by manufacturer 19 Rack Mount Kit One Power Cord One User s Manual Check to make sure that the unit was not damaged during shipping and that no items are missing If you encounter a problem please contact your dealer Please read this user s manual thoroughly and follow the installation and operation procedures detailed in the following pages lt Introduction HFS24T 24 Port 10 100M Rack Mount Switch The HFS24T 24 Port 10 100Mbps
3. switch can be cascaded from any port and to any number of switches The Plug and Play HFS24T is powerful and reliable and can run your high end video graphic multimedia database and mission critical applications with ease Features HFS24T 24 Port 10 100M Rack Mount Switch Complies with IEEE 802 3 10Base T and IEEE 802 3u 100Base TX standards 24 10 100M auto negotiation auto MDI MDIX Ethernet ports Supports store and forward architecture and performs forwarding and filtering at non blocking full wire speed Supports 10 100M and Link Activity LED modes with Power on auto diagnostic Supports IEEE 802 3x flow control for full duplex operation Supports back pressure for half duplex operation Supports 8K MAC address entries 320K Bytes buffer memory Built in universal power supply 100 240VAC EMI certifications FCC Class A CE mark Select Features Summary HFS24T 24 Port 10 100M Rack Mount Switch MAC Address Table and Learning The switch features a MAC address table that is capable of 8K entries Each entry is used to store the address information of network nodes on the network including MAC address port ID etc This information is critical for packet filtering and forwarding When one packet comes in from any port the switch will learn the source address port ID and other related information in the address table Thus the content of the MAC address table updates dynamically Filter
4. N i re a n ci i AS i ea I m 4 e q i f W m i t na af i CONS a GAST i S A is 4 i User s Manual 5 HAWKIN TECHNO HFS24T 24 Port 10 100M Rack Mount Switch Web www hawkingtech com Email techsupport hawkingtech com Copyright 2003 Hawking Technologies All rights reserved NETWORKING IN THE FAST LANE FCC Warning This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limitations are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into a different outlet from the one that the receiver is connected to e Consult your local distributors or an experienced radio TV technician for help
5. Rack Mount N Way Switch is designed for easy installation and high performance The switch provides you with a flexible reliable and affordable solution for your Ethernet network and includes 24 independent 10Base T 100Base TX ports The HFS24T enables the segmentation of large networks into smaller connected subnets thus allowing you to experience improved performance for demanding applications Each port delivers up to 200Mbps throughput and is able to operate in either half or full duplex modes The 24 Port 10 100Mbps Rack Mount N Way Switch features an N Way auto negotiation or auto sense function refer to the chapter titled N way Process which automatically adjusts the device for optimum operation Store and Forward architecture filters eliminate error packets and improve efficiency The HFS24T also utilizes auto MDI MDIX technology which enables you to use either standard Ethernet cables or crossover Ethernet cables to connect with other devices Moreover the built in Universal Power Supply allows you to easily install the switch without an external power adapter The HFS24T is also ideal for use with multiple high speed servers to share bandwidth within 10Mbps or 100Mbps workgroups With maximum throughput of 200Mbps any port can be used to provide workstations with a congestion free data pipe for simultaneous access to the server In addition the switch can be expanded by cascading two or more switches together The
6. e Shielded interface cables must be used in order to comply with emission limits Changes or modifications to the equipment which are not approved by the party responsible for compliance could affect the user s authority to operate the equipment CE Mark Warning This equipment complies with the requirements relating to electromagnetic compatibility EN 55022 class A for ITE the essential protection requirement of Council Directive 89 336 EEC on the approximation of the laws of the Member States relating to electromagnetic compatibility LIMITED WARRANTY Hawking Technology guarantees that every HFS24T 24 Port 10 100M Rack Mount Switch is free from physical defects in material and workmanship under normal use for two 2 years from the date of purchase If the product proves defective during this two year warranty period call Hawking Customer Service in order to obtain a Return Authorization number The warranty is for repair or replacement only Hawking Technology does not issue any refunds BE SURE TO HAVE YOUR PROOF OF PURCHASE RETURN REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF PURCHASE When returning a product mark the Return Authorization number clearly on the outside of the package and include your original proof of purchase IN NO EVENT SHALL HAWKING TECHNOLOGY S LIABILITY EXCEED THE PRICE PAID FOR THE PRODUCT FROM DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE USE 2 OF THE PRODUCT ITS
7. edures Connect the power cord and cables correctly and the unit is ready for use Switch installation 1 Place the switch in an appropriate location When placing the switch two items need to be considered Convenient Location The switch should be placed in a location that is central to your home or office space and allows all computers and networked devices to be connected to the switch Power The switch must be placed in a location that is accessible to a nearby electrical outlet 2 Power on the switch by connecting the power cord Make sure that the Power LED 1s lit If the Power LED does not light up check the power cord to ensure that it is properly connected to the power outlet If the Power LED still remains unlit please contact your dealer for support Ethernet Port Connections Connect user machines servers additional switches hubs or other appropriate devices to the Ethernet ports on the switch with either standard or crossover Ethernet cables For switch to switch connections only standard cables are needed because each switching port supports auto crossover Make sure that the corresponding LEDs are working properly See previous chapter for description Note Make sure that L There is proper heat dissipation from and adequate ventilation around the switch 2 The cabling is away from power lines and sources of electrical noise such as radios transmitters and broadband ampli
8. fiers 3 Water or moisture cannot enter the unit 11 Hardware Installation HFS24T 24 Port 10 100M Rack Mount Switch Rack Mount Installation The following describes a general sequence of steps for securing the unit on a rack l 2 Place one mounting bracket over the bracket mounting holes on each side panel of the unit Insert the screws included in the rack mount kit through the bracket and using a screwdriver secure the screws into the bracket mounting holes on the unit Place the unit onto the rack by securing the mounting brackets to the mounting strips on either side of the rack To do this align the holes on the mounting brackets with the appropriate holes on the mounting strips Be sure to use screws that are meant for use with the specific rack that you will be mounting the unit on These screws are provided or specified by the manufacturer of the rack not by Hawking Technologies 12 N way Process HFS24T 24 Port 10 100M Rack Mount Switch Auto negotiation N way mode automatically sets the best possible bandwidth 10Mbps 100Mbps when a connection is established with another network device Auto negotiation or auto sense functions are determined by these set data transfer rate priorities 100Base TX Full Duplex 200 Mbps 100Base TX Half Duplex 100Mbps 10Base T Full Duplex 20Mbps 10Base T Half Duplex 10Mbps pr a Each port with N way capability supports half full duplex func
9. ing and Forwarding When a packet comes in from a particular port on the switch the destination address 1s checked against the source address learning The switch will look up the address table for the destination address If not found the packet will be forwarded to all other ports except the port from where the packet came in If found and the destination address 1s located at a different port than the one from which the packet came in the packet will be forwarded to the port where the destination address is located based on the information in the address table But if the destination address is located at the same port as the one from which the packet came in then the packet will be filtered Store and Forward Store and forward architecture is a type of packet forwarding methodology With the store and forward function the switch will store the complete packet in the internal buffer and perform a complete error check before transmitting to the network Therefore no error packets will disturb the network This results in increased efficiency and stability Hardware Description HFS24T 24 Port 10 100M Rack Mount Switch This chapter provides a description of the front panel rear panel side panel and LED indicators of the switch Front Panel The front panel includes 1 24 10 100M auto negotiation auto MDI MDIX RJ 45 Ethernet ports 2 Corresponding LED indicators along with one additional Power on LED indicator
10. tions 13 Specifications HFS24T 24 Port 10 100M Rack Mount Switch IEEE 802 3 10BASE T Ethernet IEEE 802 3u 100BASE TX Fast Ethernet IEEE 802 3x Flow Control 24 10 100Mbps RJ 45 Ports Support auto MDI MDIX Cable Connections RJ 45 LOBASE T UTP Category 3 4 5 a II 100BASE TX UTP Category 5 LED Indicators Power Lit green when power is on 10 100M Lit green when there is a 100Mbps connection unlit when there is a 10Mbps connection Link Activity Lit for successful connection flashing for activity ystem Buffer Memory 320K MAC Address Table Filtering Forwarding Rate 10Mbps 14 880pps 14 880pps 100Mbps 148 800pps 148 800pps EMI Certifications FCC Class A CE mark Operating Temperature 0 50 C 32 122 F Operating Humidity 10 90 Power Supply 100 240VAC 50 60Hz 330 x 230 x 44 mm Width x Depth x Height 13 00 x 9 05 x 1 75 inches W x D x H 14
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