Netgear GS748T User's Manual
Contents
1. Installing the Switch in a Rack To install the switch in a rack use the 19 inch rack mount kit supplied with your switch with the following procedure refer to Figure 4 1 Mounting the Switch in a Rack 1 Attach the supplied mounting brackets to the side of the switch using the screws provided in the rack mount kit 2 Tighten the screws with a 1 Phillips screwdriver to secure each bracket Orient the switch to align the unused mounting holes in the brackets with appropriate holes in the rack 4 2 Installation v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide 4 Support the weight of the switch and use four pan head screws with nylon washers to attach it to the rack use a 2 Phillips screwdriver to tighten the screws Figure 4 1 Mounting the Switch in a Rack Step 3 Checking the Installation Before you apply power inspect the equipment thoroughly to e Verify that all cables are installed correctly e Check that cables are not damaged and that cable routing does not interfere with equipment to create a safety hazard e Ensure that all equipment is mounted properly and securely Step 4 Connecting Devices to the Switch The following procedure describes how to connect devices to the switch s RJ 45 ports Your NETGEAR GS748T Gigabit Smart Switch contains Auto Uplink technology which enables you to attach devices using either straight through or crossover cables2. Applying AC Power oui ececcesseeceeeceeeneeeeeeeeeeeaeeeeeaeeseeaeeeeeaaeeeaeeeseaaeseeeeeesnaaeeeeaes 4 5 Step 7 Management through a Web Browser or Utility Program Initial Configuration 4 6 v1 0 January 2007 Appendix A Troubleshooting Troubleshooting Charters iea adenine edi He eee A 1 Additional Troubleshooting Suggestions cceeeeeeeeeeeeeeeeeeeeee eters eeeeaeeeeeeeeteaeeeeeaeeeees A 2 Network Adapter Cards c cccccsceceeeeeeeeeneeceeeeeeeaeeeeeeeeesaeeeseneeeesaeeseneeessiaeeseeeeeess A 2 el e TE e EE A 2 SWITCH ln TEE A 2 Appendix B Technical Specifications Appendix C Glossary vi v1 0 January 2007 About This Manual The NETGEAR GS748T Smart Switch Hardware Installation Guide describes how to install configure and troubleshoot the GS748T Gigabit Smart Switch The information in this manual is intended for readers with intermediate computer and Internet skills Conventions Formats and Scope The conventions formats and scope of this manual are described in the following paragraphs e Typographical Conventions This manual uses the following typographical conventions Italics Emphasis books CDs URL names Bold User input Fixed Screen text file and server names extensions commands IP addresses e Formats This manual uses the following formats to highlight special messages gt Note This format is used to highlight informa
3. Auto negotiation Auto Uplink Backbone Bandwidth Baud Class of Service Appendix C Glossary The IEEE specification for 10 Mbps Ethernet over Category 3 4 or 5 twisted pair cable The IEEE specification for 100 Mbps Fast Ethernet over fiber optic cable The IEEE specification for 100 Mbps Fast Ethernet over Category 5 twisted pair cable The IEEE specification for 1000 Mbps Gigabit Ethernet over fiber optic cable The IEEE specification for 1000 Mbps Gigabit Ethernet over Category 5 twisted pair cable A feature that allows twisted pair ports to advertise their capabilities for speed duplex mode and flow control When connected to a port that also supports auto negotiation the link can automatically configure itself to the optimum setup A feature that allows twisted pair ports to sense if a normal MDI X or uplink MDI connection is necessary and make the right link It adjusts for straight through or crossover cables The part of a network used as a primary path for transporting traffic between network segments The information capacity measured in bits per second that a channel could transmit Bandwidth examples include 10 Mbps for Ethernet 100 Mbps for Fast Ethernet and 1000 Mbps I Gbps for Gigabit Ethernet The signaling rate of a line that is the number of transitions voltage or frequency changes made per second Also known as line speed A term to describe treating different types of traffi
4. SERVER with GA311 Adapter SERVER with GA311 Adapter Model FS750T2 Switch Figure 3 2 Example of Backbone Switching 3 2 Applications v1 0 January 2007 Chapter 4 Installation This chapter describes the installation procedures for your NETGEAR GS748T Gigabit Smart Switch Switch installation involves the following steps BS Mt Be Se Preparing the site Installing the switch Applying AC power Checking the installation Connecting devices to the switch Installing an SFP GBIC module Switching management through a Web Browser or Utility Program initial configuration Step 1 Preparing the Site Before you install your switch ensure that your operating environment meets the environmental requirements in Table 4 1 Table 4 1 Site Requirements Characteristics Requirements Mounting Installations Desktop provide a flat table or shelf surface Rack mount use a 19 inch 48 3 centimeter EIA standard equipment rack that is grounded and physically secure You also need the rack mount kit supplied with your switch Access Locate the switch in a position that lets you access the front panel RJ 45 ports view the front panel LEDs and access power connector Power source Provide a power source within 6 feet 1 8 meters of the installation location Ensure that the AC outlet is not controlled by a wall switch which can accidentally turn off power to the outlet and the
5. and other factors that measure the service quality provided to a user A section of a LAN that is connected to the rest of the network using a switch bridge or repeater Simple Network Management Protocol An IETF standard protocol for managing devices on a TCP IP network A device that interconnects several LANs to form a single logical LAN that comprises of several LAN segments Switches are similar to bridges in that they connect LANs of a different type however they connect more LANs than a bridge and are generally more sophisticated Transmission Control Protocol Internet Protocol This is the name for two of the most well known protocols developed for the interconnection of networks Originally a UNIX standard TCP IP is now supported on almost all platforms and is the protocol of the Internet TCP relates to the content of the data traveling through a network ensuring that the information sent arrives in one piece when it reaches its destination IP relates to the address of the endstation to which data is being sent as well as the address of the destination network Giving time critical data traffic a higher quality of service over other non critical data traffic VLAN Virtual LAN A logical association that allows users to communicate as if they were physically connected to a single LAN independent of the actual physical configuration of the network Glossary C 3 v1 0 January 2007 GS748T Smart Switch Har
6. Installation 4 3 v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide Figure 4 2 Connecting Devices to the Switch Connect each device to an RJ 45 network port on the switch s front panel see Figure 4 2 using a Category 5 Cat5 unshielded twisted pair UTP cable with RJ 45 connectors E Note Ethernet specifications limit the cable length between the switch and the attached device to 100 m 328 ft Step 5 Installing a SFP GBIC Module The following procedure describes how to install an optional SFP GBIC module into one of the SFP GBIC module bays of the switch gt Note Contact your NETGEAR sales office to buy these modules If you do not want to install a SFP GBIC module skip this procedure To install a SFP GBIC module insert the SFP module into the SFP GBIC module bay Press firmly on the flange of the module to seat it securely into the connector You can install up to three additional Gigabit Ethernet modules using this procedure 4 4 Installation v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide a E alaien ee SES We dl ee V Ki KZ Figure 4 3 Installing a SFP GBIC Module into GS748T Step 6 Applying AC Power Because he NETGEAR GS748T Gigabit Smart Switch has no ON OFF switch AC power must be controlled by means of the IEC power cord connection Select an appropriate unswitched grounded AC facility
7. or protocol Filtering is used to determine whether traffic is to be forwarded and can also prevent unauthorized access to a network or network devices A congestion control mechanism Congestion is caused by devices sending traffic to already overloaded port on a switch Flow control prevents packet loss and temporarily inhibits devices from generating more traffic until the period of congestion ends A system that allows packets to be transmitted and received at the same time and in effect doubles the potential throughput of a link A system that allows packets to transmitted and received but not at the same time Contrast with full duplex Institute of Electrical and Electronics Engineers This American organization was founded in 1963 and sets standards for computers and communications Internet Engineering Task Force An organization responsible for providing engineering solutions for TCP IP networks In the network management area this group is responsible for the development of the SNMP protocol Internet Protocol IP is a layer 3 network protocol that is the standard for sending data through a network IP is part of the TCP IP set of protocols that describe the routing of packets to addressed devices Internet Protocol address A unique identifier for a device attached to a network using TCP IP The address is written as four octets separated with periods full stops and is made up of a network section an optional subnet
8. switch Environmental v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide Table 4 1 Site Requirements continued Temperature Install the switch in a dry area with ambient temperature in the range 0 55 C 32 131 F Keep the switch away from heat sources such as direct sunlight warm air exhausts hot air vents and heaters Operating humidity The installation location should have a maximum relative humidity of 90 non condensing Ventilation Do not restrict airflow by covering or obstructing air inlets on the sides of the switch Keep at least 2 inches 5 08 centimeters free on all sides for cooling Be sure there is adequate airflow in the room or wiring closet where you intend to install the switch Operating conditions Keep the switch at least 6 ft 1 83 m away from any source of electromagnetic noise for example a photocopy machine a Power specifications for the switch are shown in Appendix B Technical Specifications Step 2 Installing the Switch Install the switch using one of the following methods Installing the Switch on a Flat Surface The switch ships with four self adhesive rubber footpads Attach one rubber foot pad into each of the four concave depressions on the base of the switch ES Note These footpads cushion the switch against shock and vibration They also provide for ventilation space between stacked switches
9. 0Mbps link is established on the port On A valid 1000Mbps link is established on SFP MiniGBIC Link Act Green the port Off No valid link is established on the port Reset Button The Reset button of the GS748T triggers a hardware reset of the switch Figure 2 3 shows its location on the front panel This action is equivalent to switching the unit power off and back on The last saved configuration is loaded into the switch as it resets To operate the reset button insert a device such as a paper clip into the opening to press the recessed button The front panel LEDs should extinguish and light again as the switch performs its Power On Self Test POST Physical Description 2 3 v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide Ae OOOOH OEE CHEE H HHT TOT OHS FHBH Oe Bee SS sgseseggee oe sc SS de seess eesees NETGEAR o Figure 2 3 Reset Button of the GS748T Gigabit Smart Switch Restore Factory Defaults Button The Restore Factory Default button of the GS748T Smart Switch enables you to clear the current settings and return the switch to its factory default configuration This function clears all settings including the password VLAN settings and port configurations To perform this operation insert a device such as a paper clip into the opening to press the recessed button 2 4 Physical Description v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide ee E B p
10. Configures the RJ 45 port to enable communications with the attached device without user intervention SFP GBIC Module To enable you to have fiber connections on your network there are four module bays which accommodate standard SFP GBIC modules such as the AGM731F or AGM732F from NETGEAR The module bays use combo ports which comprise respective shared connections with the last four RJ 45 ports namely port 45T 46T 47T and 48T Only one type of connection of a combo port can be active at any time For example both port 45T and 45F cannot be used simultaneously If both connectors of a combo port are made together the fiber port 45F is active The SFP GBIC bay accommodates a standard SFP GBIC module This module has an LC connector that is compatible with the IEEE 802 3Z 1000 Base SX Standard LED Descriptions The front panel of the NETGEAR GS748T Gigabit Smart Switch comprises LEDs that provide a concise display of link port speed and activity The following table summarizes the function of these LEDs 2 2 Physical Description v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide Table 2 1 Front Panel LEDs Power is supplied to the switch Power Green Off Power is disconnected On A valid 1000Mbps link is established on the port Green Blinking Data transmission is occurring at 1000Mbps on the port Speed Link ACT Yellow On A valid 10 100Mbps link is established on the port None Off No 10 100 100
11. GS748T Smart Switch Hardware Installation Guide NETGEAR NETGEAR Inc 4500 Great America Parkway Santa Clara CA 95054 USA 202 10232 01 January 2007 2007 by Netgear Inc All Rights reserved Trademarks NETGEAR Netgear Inc the NETGEAR logo Auto Uplink ProSafe and Everybody s connecting are trademarks or registered trademarks of Netgear Inc in the United States and or other countries Microsoft Windows and Windows NT are registered trademarks of Microsoft Corporation Other brand and product names are trademarks of their respective holders Information is subject to change without notice All rights reserved Statement of Conditions In the interest of improving internal design operational function and or reliability NETGEAR reserves the right to make changes to the products described in this document without notice NETGEAR does not assume any liability that may occur due to the use or application of the product s or circuit layout s described herein Certificate of the Manufacturer Importer It is hereby certified that the GS748T Gigabit Smart Switch has been suppressed in accordance with the conditions set out in the BMPT AmtsblVfg 243 1991 and Vie 46 1992 The operation of some equipment for example test transmitters in accordance with the regulations may however be subject to certain restrictions Please refer to the notes in the operating instructions The Federal Office for Telecommunications Approva
12. TGEAR Switch is a state of the art high performance EEE compliant network solution designed for users who require a large number of ports and want the power of Gigabit connectivity to eliminate bottlenecks boost performance and increase productivity There are 48 twisted paired ports with 4 SFP GBIC slots on the front panel of the switch which support non stop 10 100 1000 networks To simplify installation the switch is shipped ready for use out of the box This chapter provides the following information e Overview e Switch Features e Package contents v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide Overview Your NETGEAR GS748T Gigabit Smart Switch provides 48 twisted pair ports with four built in Small Form Factor SFP GBIC slots that support nonstop 10 100 1000M fiber networks Using these Gigabit slots you can create high speed connections to a server or network backbone For example you can e Connect switches to each other with high speed links e Link to high speed servers e Provide 10 100 1000 copper and fiber connectivity Your GS748T Gigabit Smart Switch also provides the benefit of administrative management with a complete package of features for the observation configuration and control of your network With a Web based Graphical User Interface GUD the switch s many capabilities can be viewed and used in a simple and intuitive manner There is also an easy to use switch manag
13. Table A 1 Troubleshooting Chart continued Symptom Cause Solution A segment or device is One or more devices Verify that the cabling is correct Be sure all not recognized as part of are not properly connectors are securely positioned in the required the network connected or cabling ports Equipment may have been accidentally does not meet Ethernet disconnected guidelines Link ACT LED is A network loop Break the loop by ensuring that there is only one path flashing continuously on redundant path has from any networked device to any other networked all connected ports and been created device the network is disabled Additional Troubleshooting Suggestions If the suggestions in Table A 1 do not resolve your problem refer to the troubleshooting suggestions in this section Network Adapter Cards Ensure that the network adapter cards installed in the PCs are in working condition and their most recent software drivers have been installed Configuration If problems occur after altering the network configuration restore the original connections and attempt to isolate the problem by implementing the most recent changes one step at a time Make sure that cable distances repeater limits and other physical aspects of the installation do not exceed the Ethernet specification limitations Switch Integrity If required verify the integrity of the switch by resetting it To do this use the Tools gt Rese
14. To print this manual choose one of the following options Printing a Page from HTML Each page in the HTML version of the manual is dedicated to a major topic Select File gt Print from the browser menu to print the page contents Printing from PDF Your computer must have the free Adobe Acrobat reader installed in order to view and print PDF files The Acrobat reader is available on the Adobe Web site at http www adobe com Printing a PDF Chapter e Click the PDF of This Chapter link at the top left of any page in the chapter you want to print The PDF version of the chapter you were viewing opens in a browser window e Click the print icon in the upper left of your browser window Printing a PDF version of the Complete Manual e Click the Complete PDF Manual link at the top left of any page in the manual The PDF version of the complete manual opens in a browser window e Click the print icon in the upper left of your browser window E 2 Tip If your printer supports printing two pages on a single sheet of paper you can 4 save paper and printer ink by selecting this feature v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide Revision History Document Part Version BE Number Number Description 202 10232 01 1 0 Document created v1 0 January 2007 Chapter 1 Introduction Congratulations on your purchase of the NETGEAR GS748T Gigabit Smart Switch Your NE
15. are S Figure 2 4 Restore Factory Defaults Button of the GS748T Gigabit Smart Switch Physical Description 2 5 v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide 2 6 v1 0 January 2007 Physical Description Chapter 3 Applications Your NETGEAR GS748T Gigabit Smart Switch is designed to provide flexibility in configuring your network connections It can be used as your only network traffic distribution device or with added 10 Mbps 100 Mbps 10 100 Mbps and 1000 Mbps hubs and switches This chapter shows how the switch can be used in various network environments Topics include e Desktop switching e Backbone switching Desktop Switching Your NETGEAR GS748T Gigabit Smart Switch can be used as a desktop switch in a small network that gives users 1000 Mbps access to a file server With full duplex mode enabled the switch port connected to the server or PC can provide 2000 Mbps throughput Internet FVL328 ProSafe vd High Speed VPN Firewall SERVER with GA311 Adapter SS GS748T Figure 3 1 Example of Desktop Switching 3 1 v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide Backbone Switching You can use your GS748T Gigabit Smart Switch as a backbone switch in a small network that gives users high speed access to servers and other network devices SERVER with GA311 Adapter SERVER with GA311 Adapter GS748T
16. c with different levels of service priority Higher priority traffic gets faster treatment during times of switch congestion Collision A term used to describe two colliding packets in an Ethernet network Collisions are a part of normal Ethernet operation but a sudden prolonged increase in the number of collisions can indicate a problem with a device particularly if it is not accompanied by a general increase in traffic Endstation A computer printer or server that is connected to a network Glossary C 1 v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide Table C 1 Glossary Ethernet Fast Ethernet Gigabit Ethernet Fault isolation Forwarding Filtering Flow control Full duplex Half duplex IEEE IETF IP address LAN ALAN specification developed jointly by Xerox Intel and Digital Equipment Corporation Ethernet networks transmit packets at a rate of 10 Mbps An Ethernet system that is designed to operate at 100 Mbps An Ethernet system that is designed to operate at 1000 Mbps 1 Gbps A technique for identifying and alerting administrators about connections such as those associated with switch ports that are experiencing congestion or failure or exceeding an administrator defined threshold The process of sending a packet toward its destination using a networking device The process of screening a packet for certain characteristics such as source address destination address
17. cates link status and activity e SFP GBIC Link Act LED indicates link status and activity Flexible installation e Standalone desktop installation e 19 inch standard rack mount Standard 1U case size 1 0 January 2007 Introduction GS748T Smart Switch Hardware Installation Guide Package Contents Figure 1 1 shows the package contents of the NETGEAR GS748T Gigabit Smart Switch Rubber gt footpads SS Rack mount kit Smart Switch ae TS Resource CD pe ae erc Installation Guide Warranty Support e Information Card E Figure 1 1 Package Contents Verify that your package contains the following GS748T Gigabit Smart Switch Rubber footpads for tabletop installation Power cord 19 inch rack mount kit Installation guide Smart Switch Resource CD with Smart Wizard Discovery Utility and Hardware and User s manuals Warranty Support Information Card If any item is missing or damaged contact your point of purchase representative immedi ately Introduction 1 5 v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide 1 6 Introduction 1 0 January 2007 Chapter 2 Physical Description This chapter describes the hardware features of the NETGEAR GS748T Gigabit Smart Switch Topics include e Front and back panels e 10 100 1000 Mbps auto sensing RJ 45 ports e SFP GBIC Module bay e LED descriptions e Reset button e Facto
18. ce in which case the user may be required to take appropriate measures Canadian Department of Communications Radio Interference Regulations This digital apparatus NETGEAR GS748T Gigabit Smart Switch does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the Radio Interference Regulations of the Canadian Department of Communications R glement sur le brouillage radio lectrique du minist re des Communications Cet appareil num rique NETGEAR GS748T Gigabit Smart Switch respecte les limites de bruits radio lectriques visant les appareils num riques de classe A prescrites dans le R glement sur le brouillage radio lectrique du minist re des Communications du Canada Customer Support For assistance with installing and configuring your NETGEAR system or for questions or problems following installation e Check the NETGEAR Web page at http www NETGEAR com support e Call Technical Support in North America at 1 888 NETGEAR If you are outside North America please refer to the phone numbers listed on the Support Information Card that was included with your switch e Email Technical Support at support NETGEAR com e Defective or damaged merchandise can be returned to your point of purchase representative Internet World Wide Web NETGEAR maintains a World Wide Web home page that you can access at the uniform resource locator URL http www NETGEAR com A direct connection t
19. dware Installation Guide C 4 v1 0 January 2007 Glossary NETGEAR Inc 4500 Great America Parkway Santa Clara CA 95054 USA January 2007
20. e English Publication Part Number 202 10232 01 Publication Version Number 1 0 v1 0 January 2007 Contents About This Manual Chapier 1 Introduction EIERE 1 2 STEEN 1 3 Package Contents dee Ee EES ege 1 5 Chapter 2 Physical Description FrontiandBack Panels ienr aeto ere pivaceadees tataaieyt davaedacteetatasl cet bidet gevbabidieeatinanialeys 2 1 10 100 1000 Mbps Ru 45 Ports ceccccecseeeeeeeeeeeeeeeceaeeeeeeeeseeeesseaeeseeeeeessaeeeeeaeeseeas 2 2 SEP GBIC Module inen area nc I a ae cdl Ee ats 2 2 LED D SEnpllONS rone aA E neee ei teed ei nie OM ee ie ete de 2 2 Reset Button eege Seed Dees deed eg 2 3 Restore Factory Defaults Button occ eeeeeeee eee eeee cette eeeeeeeeeeeeneeeeeeseeeeeeeeeeeeaees 2 4 Chapter 3 Applications RI tele e WEE 3 1 Backbone Switching ccccceeeeeeeeeeeceeeeeeeeseneeeeeaaeeseeeeeesaaeeseeeeeesaeeeseaeeeteeeeseeeeees 3 2 Chapter 4 Installation Step 2 Installing the SWitCh A 4 2 Installing the Switch on a Flat Surface ccccceeeeceeceeeeeeeeeeceeeeeeeaeeeeeeeeeseaeeeseaeeseeas 4 2 Installing the Switch in a RACK eeeeccccceeceeeeeeeeeeeeceeeeeeeaeeeeeeeessaeeeseeeeeseaeeeeeaeeeeeas 4 2 Step 3 Checking the Installation ccccecceseeeeeeeeeeeeeeeeeeeeeeeeaeeeeeeeeeseaeeeseaeeseeueeesnaeeeeaes 4 3 Step 4 Connecting Devices to the Switch 0 0 0 ccccccceeeeeseceeeeeeseeeeeeseaeeeeeeeeeeeeeesaaeeteaes 4 3 Step 5 Installing a SFP GBIC Module 4 4 Step 6
21. ement utility that runs on a PC The switch s management features include configuration for port and switch information VLAN for traffic control port trunking for increased bandwidth and Class of Service CoS for traffic prioritization These features and more enable you better to understand and control your network Your NETGEAR GS748T Gigabit Smart Switch can be free standing or rack mounted in a wiring closet or equipment room It is IEEE compliant and offers low latency for high speed networking It includes 48 auto sensing 10 100 1000 Ethernet ports with 4 SFP GBIC slots All ports can automatically negotiate to the highest speed This capability makes the switch ideal for environments that have a mix of Ethernet Fast Ethernet and Gigabit Ethernet devices In addition all 10 100 1000 Mbps ports operate in half or full duplex mode increasing the maximum bandwidth of each connection to either 20 Mbps 200 Mbps or 2000 Mbps respectively The maximum segment length is 328 feet 100 meters over Category 5 unshielded twisted pair UTP cable 1 2 Introduction 1 0 January 2007 GS748T Smart Switch Hardware Installation Guide Features The following list identifies the key features of the NETGEAR GS748T Gigabit Smart Switch Forty eight 10 100 1000 Mbps auto sensing Gigabit Ethernet switching ports Four SFP GBIC combo Gigabit Ethernet slots for optional fiber connectivity Reset Button Factory Defaults Button Adminis
22. he switch see the User Manual on the Smart Switch Resource CD 4 6 Installation v1 0 January 2007 Appendix A Troubleshooting This chapter provides information about troubleshooting the NETGEAR GS748T Gigabit Smart Switch Information is supplied as e A Troubleshooting chart e Additional troubleshooting suggestions Troubleshooting Chart Table A 1 lists symptoms causes and solutions of possible problems Table A 1 Troubleshooting Chart Symptom Cause Solution Power LED is off No power is received Check the power cord connections for the switch at the switch and the connected device Make sure all cables used are correct and comply with Ethernet specifications Link ACT LED is off Port connection is not Check the crimp on the connectors and make sure working that the plug is properly inserted and locked into the port at both the switch and the connecting device Make sure all cables used are correct and comply with Ethernet specifications See Appendix D Check for a defective adapter card cable or port by testing them in an alternate environment where all products are functioning File transfer is slow or Half or full duplex Make sure the attached device is set to auto performance setting on the switch negotiate degradation is a and the connected problem device are not the same Troubleshooting A 1 v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide
23. ls has been notified of the placing of this equipment on the market and has been granted the right to test the series for compliance with the regulations Voluntary Control Council for Interference VCCI Statement This equipment is in the first category information equipment to be used in commercial and or industrial areas and conforms to the standards set by the Voluntary Control Council for Interference by Data Processing Equipment and Electronic Office Machines that are aimed at preventing radio interference in commercial and or industrial areas Consequently when this equipment is used in a residential area or in an adjacent area thereto radio interference may be caused to equipment such as radios and TV receivers Federal Communications Commission FCC Compliance Notice Radio Frequency Notice This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions This device may not cause harmful interference This device must accept any interference received including interference that may cause undesired operation NOTE 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 limits 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 instruc
24. o the Internet and a Web browser such as Internet Explorer or Netscape are required FCC Requirements for Operation in the United States FCC Information to User This product does not contain any user serviceable components and is to be iii v1 0 January 2007 used with approved antennas only Any product changes or modifications will invalidate all applicable regula tory certifications and approvals FCC Guidelines for Human Exposure This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and operated with a minimum dis tance of 20 cm between the radiator and your body This transmitter must not be co located or operating in conjunction with any other antenna or transmitter FCC Declaration Of Conformity We NETGEAR Inc 4500 Great America Parkway Santa Clara CA 95054 declare under our sole responsibility that the model FS728TP ProSafe 24 Port 10 100 Smart Switch with 4 Gigabit Ports and 24 Port PoE complies with Part 15 of FCC Rules Operation is subject to the following two conditions a This device may not cause harmful interference and b This device must accept any interference received including interference that may cause undesired operation Product and Publication Details Model Number GS748T Publication Date January 2007 Product Family Smart Switch Product Name GS748T Gigabit Smart Switch Home or Business Product Business Languag
25. outlet so as to avoid any future inadvertent power interruptions Use the following procedure to apply AC power 1 Connect the female end of the supplied IEC AC power adapter cable to the power receptacle on the back of the switch 2 Connect the 3 pronged end of the AC power adapter cable to the AC outlet When you apply power the green Power LED on the switch front panel illuminates Note If the Power LED does not light check that the power cable is installed correctly E gt and that the AC power supply is present If this does not resolve the problem refer to Appendix A Troubleshooting Installation 4 5 v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide Step 7 Management through a Web Browser or Utility Program Initial Configuration Your NETGEAR GS748T Gigabit Smart Switch has embedded management software for viewing changing and monitoring its activity and configuration You need not use this management software for it to function as a simple switch However the management software enables you to set up advanced features such as VLANs and Trunking and also enables you to configure the switch for improved efficiency and performance As a result you can improve the overall performance of your network After you power up the switch for the first time you can configure it using a Web browser or a utility program called Smartwizard Discovery For more information about managing t
26. ry defaults button Front and Back Panels Figure 2 1 and Figure 2 2 show the key components on the front and back panels of the NETGEAR GS748T Gigabit Smart Switch far T oaoa oS Fee He Saneas E Figure 2 2 GS748T Gigabit Smart Switch Rear Panel 2 1 v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide The front panel contains RJ 45 jacks with LEDs and 4 SFP GBIC module bays The rear panel has a standard AC power receptacle for accommodating the supplied power cord 10 100 1000 Mbps RJ 45 Ports The 48 10 100 1000 Mbps auto sensing RJ 45 ports of the GS748T Gigabit Smart Switch are seen in Figure 2 1 When you insert a cable into one of these ports the switch automatically determines the maximum speed 10 or 100 or 1000 Mbps and the mode half or full duplex of the attached device All ports support only unshielded twisted pair UTP cable with an 8 pin RJ 45 plug connection To simplify the procedure for attaching devices all RJ 45 ports support Auto Uplink This technology enables you to attach devices to the RJ 45 ports using either straight through or crossover cables When you insert a cable into one of these ports the switch automatically e Detects whether the combination of attached device and network cable normal or crossover requires a normal connection such as when connecting the port to a PC or an uplink connection such as when connecting the port to a router switch or hub e
27. section and a host section Local Area Network A network of endstations such as PCs printers servers and network devices hubs and switches that cover a relatively small geographic area usually not larger than a floor or building Glossary v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide Table C 1 Glossary Loop MAC MAC address Port monitoring Port speed Port trunking Protocol Quality of Service Segment SNMP Switch TCP IP Traffic prioritization An event that occurs when two network devices are connected by more than one path thereby causing packets to repeatedly cycle around the network and not reach their destination Media Access Control A protocol specified by the IEEE for determining which devices have access to a network at any one time Media Access Control address also called hardware or physical address Most devices that connect to a LAN have a MAC address assigned to them as they are used to identify other devices in a network The ability to monitor the traffic passing through a port on a device to analyze network characteristics and perform troubleshooting The speed that a port on a device uses to communicate with another device or the network The ability to combine multiple ports on a device to create a single high bandwidth connection A set of rules for communication between devices on a network A term to describe delay throughput bandwidth
28. t command or remove AC power from the switch and then reapply it If the problem persists contact NETGEAR technical support In North America call 1 888 NETGEAR If you are outside of North America please refer to the support information card included with your product A 2 Troubleshooting v1 0 January 2007 Appendix B Technical Specifications This appendix provides technical specifications for the NETGEAR GS748T Gigabit Smart Switch Network Protocol and Standards Compatibility IEEE 802 3 1OBASE T IEEE 802 3u 1OOBASE TX IEEE 802 3ab 1O00BASE T IEEE 802 3z 1000Base X IEEE 802 3x flow control Management IEEE 802 1Q Static VLAN Up to 256 Port based VLAN Up to 48 IEEE 802 1p Class of Service CoS Port based QoS Port default priority options High Normal Low Lowest Port Trunking Manual as per IEEE802 3ad Link Aggregation Port Monitoring Interface 48 RJ 45 connectors for IOBASE T 1OOBASE TX and 1000BASE T Auto Uplink on all ports with 4 SFP GBIC module bays that share with 4 RJ 45 ports for fiber connectivity LEDs Per port Gigabit Speed Link Act Per device Power Technical Specifications B 1 v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide Performance Specifications Forwarding modes Store and forward Bandwidth 96 Gbps Network latency Less than 20 microseconds for 64 byte frames in store and forward mode for 100 Mbps to 100 Mbps transmission Buffer memor
29. tion of importance or special interest Tip This format is used to highlight a procedure that will save time or resources Warning This is a warning of possible malfunction or damage to the equipment A A Danger This is a safety warning Failure to take heed of this notice may result in personal injury or death vii v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide e Scope This manual is written for the GS748T Smart Switch according to these specifications Product Version GS748T Gigabit Smart Switch Manual Publication Date January 2007 gt Note Product updates are available on the NETGEAR Inc website at http kbserver netgear com products GS748T asp How to Use This Manual The HTML version of this manual includes the following e Buttons gt and _ lt _ for browsing forwards or backwards through the manual one page at a time es A button that displays the table of contents and a button Double click on a link in the table of contents or index to navigate directly to where the topic is described in the manual A A button to access the full NETGEAR Inc online knowledge base for the product model e Links to PDF versions of the full manual and individual chapters viii v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide How to Print this Manual
30. tions 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 v1 0 January 2007 e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that which the receiver is connected e Consult the dealer or an experienced radio TV technician for help EN 55 022 Declaration of Conformance This is to certify that the NETGEAR GS748T Gigabit Smart Switch is shielded against the generation of radio interference in accordance with the application of Council Directive 89 336 EEC Article 4a Conformity is de clared by the application of EN 55024 Class A CISPR 22 EN 55 022 and EN 55 024 Statements This is to certify that the NETGEAR GS748T Gigabit Smart Switch is shielded against the generation of radio interference in accordance with the application of Council Directive 89 336 EEC Article 4a Conformity is declared by the application of EN 55 022 Class A CISPR 22 and EN 55 024 AN Note Warning This is a Class A product In a domestic environment this product may cause radio interferen
31. trative switch management e TEEE 802 1Q Tag VLAN with up to 48 VIDs ranging in 2 to 4K s TEEE 802 1p QoS support two priority queues per port e Port based VLAN with up to 48 groups any one port can belong to different VLAN groups e JEEE 802 3ad Link Aggregation support e Embedded HTTP server for Web based management e Supports port setting function enabling user to enable disable each port and set speed duplex mode and device flow control e Auto Discovery support with application program for discovering and managing the smart switches on the network e Flash upgrade configuration backup restore and factory reset Full compatibility with IEEE standards e TEEE 802 31 IOBASE T s JEEE 802 3u OOBASE TX s TEEE 802 3z ab 1OOOBASE X 1000Base T e JEEE 802 3x full duplex flow control Auto sense and auto negotiate for all ports Auto Uplink on all ports for the right connection sense Integrated address Look Up Engine supports 8K absolute MAC addresses Full and half duplex functions for all 10 100 1000 ports Store and Forward transmission to remove bad packets from the network Active flow control to minimize packet loss frame drops e Half duplex back pressure control Introduction 1 3 v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide e Full duplex IEEE 802 3x pause frame flow control LED indicators for port status monitoring e Power LED indicates power on off status e Link Act LED indi
32. y 512 KB embedded memory per unit Address database size 8 000 media access control MAC addresses per system Mean Time Between Failure MTBF 108 016 hours 12 years Power Supply Power Consumption 90 W maximum 100 240VAC 50 60 Hz universal input Physical Specifications Dimensions H x W x D 1 7 x 17 3 x 12 2 in 43 2 x 440 x 305 mm Weight 10 89 Ib 4 95 kg Environmental Specifications Operating temperature 0 to 55 C 32 to 131 F Storage temperature 20 to 70 C 28 to 158 F Operating humidity 90 maximum relative humidity non condensing Storage humidity 95 maximum relative humidity non condensing Operating altitude 3 000 m 10 000 ft maximum Storage altitude 3 000 m 10 000 ft maximum Electromagnetic Emissions CE mark commercial FCC Part 15 Class A VCCI Class A C Tick B 2 Technical Specifications v1 0 January 2007 GS748T Smart Switch Hardware Installation Guide Electromagnetic Immunity EN 55022 CISPR 22 Class A Safety CE mark commercial CUL 60950 Listed EN60950 Low Voltage Directive page 3 see page 3 see Modules AGM731F 1000BASE SX SFP GBIC for multimode fiber AGM732F 1000BASE LX SFP GBIC for single mode fiber Technical Specifications v1 0 January 2007 B 3 GS748T Smart Switch Hardware Installation Guide B 4 v1 0 January 2007 Technical Specifications Table C 1 Glossary 10BASE T 100BASE FX 100BASE TX 1000BASE SX 1000BASE T
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