Hardware Installation Guide User Manual
Contents
1.2. 26 Step 7 Managing the Switch using a Web Browser or the PC Utility 27 Table of Contents 3 GS748T Smart Switch Hardware Installation Guide Appendix A Troubleshooting Troubleshooting Chart ccude aves dee ecen nee ieee Cees bewee Renee 4 30 Additional Troubleshooting Suggestions 0000 c eee eee 31 Network Adapter CardS 6445404454605 45 40424 eRe ese R eke Ee EDS 31 Re UO 2045444 6054 0404004 50s oA E ee eas 31 Switch INSO 540505 6at4 bene Rods Codes e dta krsta EGR ORR 31 31 Auto Negotiation 0 2 0 0c cc ee tenes Appendix B Technical Specifications Appendix C Notification of Compliance Index 4 Table of Contents GS748T Smart Switch Hardware Installation Guide Table of Contents 5 Introduction Congratulations on the purchase of your NETGEAR ProSafe GS748T Gigabit Smart Switch Your GS748T switch is a state of the art high performance IEEE 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 two SFP slots are combo ports 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 The GS748T Smart Switch Hardware Installation Guide describes how to install and power on the GS748T The informati
3. EN60950 1 2005 2nd Edition e EN 61000 3 2 2006 e EN 61000 3 3 1995 w A1 2001 A2 2005 Appendix C Notification of Compliance 37 Index Numerics 1U 8 8 pin 13 A Applying AC Power 26 Auto Uplink 13 Auto negotiating 8 Autosensing 13 B Backpressure 8 C Category 5 Unshielded Twisted Pair 7 Checking the Installation 23 Class of Service 7 compliance 36 Connecting Devices to the Switch 24 25 Crossover 13 D Default Reset Button 11 Device Hardware Interfaces 13 Duplex Mode 13 F Factory Default Button 14 Factory Defaults 11 Flat Surface 22 Full duplex 7 G Gigabit Ports 7 IEEE 802 3x 8 IEEE Standards 8 IEEE compliant 7 Installation Guide 9 Installing the Switch 22 L LED Designations 12 Low Latency 7 M MAC 8 Media Access Control 8 O Operating Conditions 21 Operating Environment 21 Operating humidity 21 Overview 7 P Package Contents 9 Pause Frame Flow Control 8 Port LEDs 12 Preparing the Site 21 R Rackmount kit 9 Reset Button 11 RJ 45 Ports 13 RJ 45 ports 7 Rubber footpads 9 22 S Smart Switch Resource CD 9 Straight through 13 index 38 GS748T Smart Switch Hardware Installation Guide System LEDs 12 T technical support 2 Temperature 21 trademarks 2 Traffic Control 7 Troubleshooting Chart 30 U User Intervention 13 User s Manual 9 UTP 24 V Ventilation 21 VLAN 7 W Web based Graphical User Interface 7 Index 39
4. 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 methods e Reorient or relocate the receiving antenna e Increase the separation between the equipment and the receiver e Connect the equipment into an electrical outlet on a circuit different from that which the radio receiver is connected e Consult the dealer or an experienced radio TV technician for help Modifications made to the product unless expressly approved by NETGEAR Inc could void the user s right to operate the equipment Canadian Department of Communications Radio Interference Regulations This digital apparatus GS748T Gigabit Smart Switch does not exceed the Class B limits for radio noise emissions from digital apparatus as set out in the Radio Interference Regulations of the Canadian Department of Communications European Union The GS748T Gigabit Smart Switch complies with essential requirements of EU EMC Directive 2004 108 EC and Low Voltage Directive 2006 95 EC as supported by applying the following test methods and standards e EN55022 2006 A1 2007 e EN55024 1998 A1 2001 A2 2003 e
5. A segment or device is not recognized as part of the network ACT LED is flashing continuously on all connected ports and the network is disabled A network loop redundant path has been created Appendix A Troubleshooting Check the power cord connections and the connected device Ensure all cables used are correct and comply with Ethernet specifications Check the crimp on the connectors and make sure that the plug is properly inserted and locked into the port at both the switch and the connecting device Ensure all cables used are correct and comply with Ethernet specifications Check for a defective PC adapter card cable or port by testing them in an alternate environment where all products are functioning Make sure the attached device is set to auto negotiate Verify that the cabling is correct Ensure all connectors are securely positioned in the required ports Equipment may have been accidentally disconnected Break the loop by ensuring that there is only one path from any networked device to any other networked device After you connect to the switch management interface you can configure the Spanning Tree Protocol STP to prevent network loops GS748T Smart Switch Hardware Installation Guide Additional Troubleshooting Suggestions If the suggestions in Troubleshooting Chart do not resolve the problem refer to the troubleshooting suggestions in this section Network Adapter Cards Ensure the n
6. B HORE eee ee eo eee eee CEE E EeRBEeHeHeeeeeeee oa oan TIITII CIII O m aln in sin sin nin niin aln sin in aln akn a ES g Chapter 4 Installation 25 GS748T Smart Switch Hardware Installation Guide Step 6 Applying AC Power The GS748T Gigabit Smart Switch does not have an ON OFF switch Power must be controlled by the power cord connection Before connecting the power cord select an AC outlet that is not controlled by a wall switch which can turn off power to the switch After selecting an appropriate outlet use the following procedure to apply AC power 1 Connect the end of the power connection cable to the power receptacle on the back of the switch 2 Connect the AC power connection cable into a power source such as a wall socket or power strip When applying power the Power LED on the switch s front panel illuminates If the Power LED does not go on check that the power cable is plugged in correctly and that the power source is good If this does not resolve the problem refer to Appendix A 26 Chapter 4 Installation GS748T Smart Switch Hardware Installation Guide Step 7 Managing the Switch using a Web Browser or the PC Utility The GS748T contains software for viewing changing and monitoring the way it works This management software is not required for the switch to work The ports can be used without using the management software However the management software enables the setup of VLAN and tr
7. FP ports and are not combined with any RJ 45 ports Chapter 2 Physical Description 13 GS748T Smart Switch Hardware Installation Guide Reset Button The Smart Switch has a Reset button on the front panel to allow you to manually reboot the switch This action is equivalent to powering the unit 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 Factory Defaults Button The Smart Switch has a Factory Defaults button on the front panel so that you can remove the current configuration and return the device to its factory settings When you enable the Factory Defaults button all settings including the password VLAN settings and port configurations are removed To operate the Factory Defaults button insert a device such as a paper clip into the opening to press the recessed button for over two seconds 14 Chapter 2 Physical Description GS748T Smart Switch Hardware Installation Guide Chapter 2 Physical Description 15 Applications Your 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 10 Mbps 100 Mbps and 1000 Mbps hubs and switches Chapter 3 Ap
8. NETGEAR GS748T Smart Switch Hardware Installation Guide GS748T Smart Switch Hardware Installation Guide 2011 NETGEAR Inc All rights reserved No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language in any form or by any means without the written permission of NETGEAR Inc Technical Support Thank you for choosing NETGEAR To register your product get the latest product updates or get support online visit us at http support netgear com Phone US amp Canada only 1 888 NETGEAR Phone Other Countries See Support information card Trademarks NETGEAR the NETGEAR logo ReadyNAS ProSafe Auto Uplink X RAID2 and NeoTV are trademarks or registered trademarks of NETGEAR Inc Microsoft Windows Windows NT and Vista are registered trademarks of Microsoft Corporation Other brand and product names are registered trademarks or trademarks of their respective holders Statement of Conditions To improve 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 Revision History Publication Part Number Version Publish Date Comments 202 10725 01 v1 0 February 2011 Document Created Table of Conte
9. Speed ACT LED mode for copper ports 1 to 48 Link ACT LED for SFP ports 47 to 50 System LED Designation e Off No link established e Solid Green A valid 1000 Mbps link is established e Blinking Green The port is transmitting or receiving packets at 1000 Mbps e Solid Yellow A valid 10 100 Mbps link is established e Blinking Yellow The port is transmitting or receiving packets at 10 100 Mbps If the media for ports 47 and 48 changes to SFP the port LED for copper ports 47 and 48 changes to off e Off No SFP module link is established e Solid Green A valid 1000 Mbps SFP module link is established e Blinking Green The port is transmitting or receiving packets at 1000 Mbps If the media for ports 47 and 48 changes to copper the port LED for the SFP combo ports changes to off The following table describes the system LED designations e Green Device is powered on run time code is up and running e Off Power is not supplied to the device Chapter 2 Physical Description GS748T Smart Switch Hardware Installation Guide Device Hardware Interfaces RJ 45 Ports RJ 45 ports are autosensing ports When inserting a cable into an RJ 45 port the switch automatically ascertains the maximum speed 10 100 or 1000 Mbps and duplex mode half duplex or full duplex of the attached device All ports support only unshielded twisted pair UTP cable terminated with an 8 pin RJ 45 plug To simplify th
10. Windows 2000 XP Vista Windows 7 Microsoft Explorer 7 0 or above IEEE 802 1Q VLAN IEEE 802 3ad Link Aggregation IEEE 802 1D Spanning Tree Protocol IEEE 802 1w Rapid Spanning Tree Protocol IEEE 802 1X Port Security IEEE 802 1AB LLDP IEEE 802 3s MSTP SNMP v1 v2c and v3 HTTP and HTTPS Port Mirroring RX TX and Both IGMP Snooping v1 v2 v3 IEEE 802 1p Class of Service CoS SNTP Simple Network Time Protocol 3 servers Disabled by default Jumbo Frame Support 9K Appendix B Technical Specifications 33 GS748T Smart Switch Hardware Installation Guide Interface 48 RJ 45 connectors for 1OBASE T 100OBASE TX and 1000BASE T Auto Uplink on all ports Two SFP combo ports for SFP modules Two dedicated SFP ports for SFP modules LEDs Per RJ 45 port Speed Link Activity Per SFP port Link Activity Per device Power Performance Specifications Forwarding modes Store and forward Bandwidth 100 Gbps Address database size 8K media access control MAC addresses per system Mean Time Between Failure MTBF 231 684 hours at 50 C Power Supply 100 VAC 240 VAC 50 Hz 60 Hz 3 5A Max universal input Physical Specifications Dimensions H x W x D 1 7 x 17 3 x10 1 43 x 440 x 257 in mm Weight 3 8 kg 8 4 Ibs Environmental Specifications Operating temperature 0 C to 40 C 32 F to 104 F Operating humidity 10 to 90 maximum relative humidity noncondensing Storage temperature 20 C
11. at runs on a PC The 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 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 or Gigabit Ethernet devices In addition all RJ 45 ports operate in half duplex or full duplex mode The maximum segment length is 328 feet 100 meters over Category 5 Unshielded Twisted Pair UTP cable Chapter 1 Introduction 7 GS748T Smart Switch Hardware Installation Guide Features The following list identifies the key features of the GS748T Forty eight 10 100 1000 Mbps auto sensing Gigabit Ethernet switching ports Two SFP combo ports Two dedicated 1000M SFP fiber ports Full NETGEAR Smart Switch functionality Full compatibility with IEEE standards e IEEE 802 3 1OBASE T e IEEE 802 3u 100BASE TX e IEEE 802 3ab 1000BASE T e IEEE 802 3z 1000BASE x e EEE 802 3x Full duplex flow control Autosensing and auto negotiating capabilities for all ports Auto Uplink on all ports to make the right connection Automatic address learning function to build the packet forwarding information table The table contains up to 8K Media Access Control MAC addresses Store and Forward transmission to remove bad packets from the network Full duplex IEEE 802 3x pa
12. e procedure for attaching devices all RJ 45 ports support Auto Uplink This technology allows attaching devices to the RJ 45 ports with either straight through or crossover cables When inserting a cable into the switch s RJ 45 port the switch automatically e Senses whether the cable is a straight through or crossover cable e Determines whether the link to the attached device 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 Configures the RJ 45 port to enable communications with the attached device without requiring user intervention In this way the Auto Uplink technology compensates for setting uplink connections while eliminating concern about whether to use crossover or straight through cables when attaching devices SFP Ports To enable you to have fiber connections on your network there are four SFP ports that accommodate standard SFP transceiver modules which are sold separately Two SFP ports are combo ports and share connections with the last two RJ 45 ports The SFP combo ports and the shared RJ 45 ports are ports 47 and 48 Only one type of connection of a combo port can be active at any time For example if SFP port 48 is in use copper port 48 is not active Note If both connectors of a combo port are connected to other devices only the fiber port is active SFP ports 49 and 50 are dedicated S
13. es are not damaged or creating a safety hazard e Ensure all equipment is mounted properly and securely Chapter 4 Installation 23 GS748T Smart Switch Hardware Installation Guide Step 4 Connecting Devices to the Switch The following procedure describes how to connect PCs to the switch s RJ 45 ports The GS748T contains Auto Uplink technology which allows the attaching of devices using either straight through or crossover cables NETGEAR __ Figure 7 Connecting Devices to the Switch Connect each PC to an RJ 45 network port on the Switch front panel Figure 7 Use Category 5 Cat5 Unshielded Twisted Pair UTP cable terminated with an RJ 45 connector to make these connections Note Ethernet specifications limit the cable length between the switch and the attached device to 100m 328 ft 24 Chapter 4 Installation GS748T Smart Switch Hardware Installation Guide Step 5 Installing an SFP Transceiver Module The following procedure describes how to install an optional SFP transceiver module into one of the SFP ports of the switch Note Contact your NETGEAR sales office to buy these modules If you do not want to install an SFP module skip this procedure To install an SFP transceiver insert the transceiver into the SFP port 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 Ta
14. etwork adapter cards installed in the PCs are in working condition and the software driver has been installed Configuration If problems occur after altering the network configuration restore the original connections and determine the problem by implementing the new changes one step at a time Ensure that cable distances repeater limits and other physical aspects of the installation do not exceed the Ethernet limitations Switch Integrity If required verify the integrity of the switch by resetting the switch To reset the switch remove the AC power from the switch and then reapply AC power If the problem continues 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 Auto Negotiation The RJ 45 ports negotiate the correct duplex mode speed and flow control if the device at the other end of the link supports auto negotiation If the device does not support auto negotiation the switch determines only the speed correctly and the duplex mode defaults to half duplex Appendix A Troubleshooting 31 GS748T Smart Switch Hardware Installation Guide 32 Appendix A Troubleshooting Technical Specifications Network Protocol and Standards Compatibility IEEE 802 3 10BASE T IEEE 802 3u 100BASE TX IEEE 802 3ab 1000BASE T IEEE 802 3z 1000BASE X IEEE 802 3x full duplex flow control Management
15. itions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation 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 minimum distance 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 350 East Plumeria Drive San Jose CA 95134 declare under our sole responsibility that the GS748T Gigabit Smart Switch complies with Part 15 of FCC Rules Appendix C Notification of Compliance 36 GS748T Smart Switch Hardware Installation Guide Operation is subject to the following two conditions e This device may not cause harmful interference and e This device must accept any interference received including interference that may cause undesired operation FCC Radio Frequency Interference Warnings amp Instructions This equipment has been tested and found to comply with the limits for a Class B 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 uses and can radiate radio frequency energy and if not installed and used
16. nting e Desktop installations Provide a flat table or shelf surface e Rackmount installations Use a 19 inch 48 3 centimeter EIA standard equipment rack that is grounded and physically secure The rackmount kit supplied with the switch is also required Access Locate the switch in a position that allows access to the front panel RJ 45 ports view the front panel LEDs and access the power connector Power source Provide a power connection cord Power specifications for the switch are shown in Appendix A Ensure the AC outlet is not controlled by a wall switch which can accidentally turn off power to the outlet and the switch Environmental Temperature Install the switch in a dry area with ambient temperature between 0 and 40 C 32 F and 104 F Keep the switch away from heat sources such as direct sunlight warm air exhausts hot air vents and heaters e Operating humidity The installation location should have a maximum relative humidity of 90 non condensing e 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 the switch is installed e Operating conditions Keep the switch at least 6 ft 1 83 meters away from nearest source of electromagnetic noise such as a photocopy machine Chapter 4 Installation 21 GS748T Sma
17. nts Chapter 1 Introduction CVEIVIEW oo 6 eh ed oS BE ee HE ee b ee eHaKEE EES EOE DEERE EDO RES 7 FeAIUOS 5d ae eda ok oe ee od Oe Ea OSS SEK Oe REESE RO 8 Package COMINGS 45 665 54 6656948 5 44955 4449S HO HSD REESE ED GES 9 Chapter 2 Physical Description GS748T Front Panel and Back Panel Configuration 11 LED Designations ooo inca eesantdse ave rar rinni een eb eendads 12 Oe 22g dae pas eed yen eee eunees hehe dees sores es 12 Se Ee en E oe neh aed ea E E T E 12 Device Hardware Interfaces nananana aaa 13 Pe PONS ss 6 kee 956 EEEN EEN ee eee 13 OFr ae te ee ee ee eee en ee eee ree eee eee ee 13 Faget Pea 54425 24555 bed eee 14d the ee een ere ea cease 14 Factory Defaults Button 0 0 0 ce es 14 Chapter 3 Applications Desktop SAWN 6 onc neddend dais ROPER SEER EHS OOD ESE RDS EES 17 BACKOOlS SWIONING i524 essa vende wes derinius tekinte Cee ee iis 18 Chapter 4 Installation Step 1 Preparing Wie SG 22 kdce cus sd bdw eave eee sss seeG see dda es 21 Step 2 Installing the Switch 0 0 0 ccc ee eee 22 Installing the Switch on a Flat Surface 0000005 22 Installing the Switch in a Rack 6 eae ot densdere cede adaewad een i 22 Step 3 Checking the Installation 0 0 00 0 23 Step 4 Connecting Devices to the Switch 0008 24 Step 5 Installing an SFP Transceiver Module 25 Step 6 Applying AC Power 0 0 0 ee eee
18. on in this manual is intended for readers with intermediate computer and Internet skills This chapter serves as an introduction to the GS748T and provides the following information e Overview e Features e Package Contents Chapter 1 Introduction 6 GS748T Smart Switch Hardware Installation Guide Overview The NETGEAR GS748T Gigabit Smart Switch provides 48 twisted pair ports with four built in Small Form Factor SFP GBIC slots that support nonstop 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 1000M copper and 1000M fiber connectivity The NETGEAR GS748T Gigabit Smart Switch also provides the benefit of administrative management with a complete package of features for the observation configuration and control of the network With a Web based Graphical User Interface GUI the switch s many capabilities can be viewed and used in a simple and intuitive manner 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 provide better understanding and control of the network Initial discovery of the switch on the network requires the Smart Control Center program a utility th
19. plications 16 GS748T Smart Switch Hardware Installation Guide Desktop Switching The GS748T can be used as a desktop switch to build a small network that enables users to have 1000 Mbps access to a file server With full duplex enabled the switch port connected to the server or PC can provide 2000 Mbps throughput Figure 4 Desktop Switching Chapter 3 Applications 17 GS748T Smart Switch Hardware Installation Guide Backbone Switching You can use the GS748T Gigabit Smart Switch as a backbone switch in a small network that gives users high speed access to servers and other network devices Model FS728TP Figure 5 Backbone Switching 18 Chapter 3 Applications GS748T Smart Switch Hardware Installation Guide Chapter 3 Applications 19 Installation This chapter describes the installation procedures for your GS748T Gigabit Smart Switch Switch installation involves the following steps Step 1 Preparing the Site Step 2 Installing the Switch Step 3 Checking the Installation Step 4 Connecting Devices to the Switch Step 5 Installing an SFP Transceiver Module Step 6 Applying AC Power Step 7 Managing the Switch using a Web Browser or the PC Utility Chapter 4 Installation 20 GS748T Smart Switch Hardware Installation Guide Step 1 Preparing the Site Before you install the switch ensure the operating environment meets the site requirements in the following table Characteristics Mou
20. pper ports two 1000 Mbps SFP combo ports and two dedicated 1000 Mbps SFP fiber ports The SFP combo ports are shared with copper ports 47 and 48 If the SFP combo ports are in use copper ports 47 and 48 are inactive Each port is capable of sensing the line soeed and negotiating the duplex mode with the link partner automatically Figure 2 illustrates the front panel of the NETGEAR GS748T 1000M SFP 1000M Combo Ports SFP Ports Reset Button Link Speed ACT LEDs Power Status LED 10 100 1000 Ethernet Ports Factory Defaults Button Figure 2 Front Panel The front panel contains the following e 48 RJ 45 connectors for 10 100 1000 Mbps autosensing Gigabit Ethernet switching ports e Two SFP combo Gigabit Ethernet switching ports e Two dedicated 1000 Mbps SFP Gigabit Ethernet switching ports e Reset button to restart the device e Recessed default reset button to restore the device back to the factory defaults e Link Speed and Activity LEDs for each port e Power and Status LED Figure 3 illustrates the NETGEAR GS748T back panel Power Connector Figure 3 Back Panel The back panel contains a power connector Chapter 2 Physical Description 11 LED Designations 12 Port LEDs GS748T Smart Switch Hardware Installation Guide The following table describes the RJ 45 combo and dedicated SFP port LED designations There are two LEDs for each RJ 45 port Each SFP port has its own indication LED LED Link
21. rt Switch Hardware Installation Guide Step 2 Installing the Switch The GS748T can be used on a flat surface or mounted in a standard network equipment rack Installing the Switch on a Flat Surface The switch ships with four self adhesive rubber footpads Stick one rubber footpad on each of the four concave spaces on the bottom of the switch The rubber footpads cushion the switch against shock and vibrations They also provide ventilation space between stacked switches Installing the Switch in a Rack To install the switch in a rack you need the 19 inch rackmount kit supplied with switch 1 2 Attach the supplied mounting brackets to the side of the switch Insert the screws provided in the rackmount kit through each bracket and into the bracket mounting holes in the switch Tighten the screws with a 1 Phillips screwdriver to secure each bracket Align the mounting holes in the brackets with the holes in the rack and insert two pan head screws with nylon washers through each bracket and into the rack Tighten the screws with a 2 Phillips screwdriver to secure mounting brackets to the rack Figure 6 Rack Mount 22 Chapter 4 Installation GS748T Smart Switch Hardware Installation Guide Step 3 Checking the Installation Before applying power to the switch perform the following steps e Inspect the equipment thoroughly e Verify that all cables are installed correctly e Check cable routing to make sure cabl
22. to 70 C 4 F to 158 F Storage humidity 5 to 95 maximum relative humidity noncondensing 34 Appendix B Technical Specifications GS748T Smart Switch Hardware Installation Guide Electromagnetic Emissions CE Class A including EN 55022 CISPR 22 EN 55024 and EN 50082 1 FCC Part 15 Class A VCCI Class A C Tick MIC Safety UL cUL CE EN 60950 1 Appendix B Technical Specifications 35 Notification of Compliance NETGEAR Wired Products Regulatory Compliance Information This section includes user requirements for operating this product in accordance with National laws for usage of radio spectrum and operation of radio devices Failure of the end user to comply with the applicable requirements may result in unlawful operation and adverse action against the end user by the applicable National regulatory authority This product s firmware limits operation to only the channels allowed in a particular Region or Country Therefore all options described in this user s guide may not be available in your version of the product 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 used with approved antennas only Any product changes or modifications will invalidate all applicable regulatory certifications and approvals This device complies with Part 15 of the FCC Rules Operation is subject to the following two cond
23. unking features and also improves the efficiency of the switch which results in the improvement of its overall performance as well as the performance of the network After powering up the switch for the first time the Smart Switch can be configured using a Web browser or a program called Smart Control Center For more information about managing the switch see the GS748T Software Administration Manual on the Smart Switch Resource CD Note The switch is configured with a default IP address of 192 168 0 239 and a subnet mask of 255 255 255 0 Chapter 4 Installation 27 GS748T Smart Switch Hardware Installation Guide 28 Chapter 4 Installation Troubleshooting This chapter provides information about troubleshooting the NETGEAR Smart Switch Topics include the following e Troubleshooting Chart e Additional Troubleshooting Suggestions Appendix A Troubleshooting 29 Troubleshooting Chart 30 GS748T Smart Switch Hardware Installation Guide The following table lists symptoms causes and solutions of possible problems Symptom cause Solution S Power LED is off No power is received Link LED is off or intermittent Port connection is not working File transfer is slow or performance degradation is a problem Half duplex or full duplex setting on the switch and the connected device are not the same One or more devices are not properly connected or cabling does not meet Ethernet guidelines
24. use frame flow control Active flow control to minimize packet loss and frame drops Half duplex backpressure control Per port LEDs and power LED Internal power supply Standard NETGEAR 7xx series chassis NETGEAR Green product series power saving features e Automatic power consumption adjustment based on the RJ 45 cable length e Per port automatic power down when the port link is down 8 Chapter 1 Introduction GS748T Smart Switch Hardware Installation Guide Package Contents Figure 1 shows the package contents of the GS748T Gigabit Smart Switch HHHOBAaaAaaa Hre e EG HHH ee aoe Ports Rubber footpads Installation Guide Figure 1 Package Contents Verify that the package contains the following e GS748T Gigabit Smart Switch e Rubber footpads for tabletop installation e Rackmounting kits e Power cord e Installation guide e Smart Switch Resource CD with NETGEAR Smart Control Center and User s Manual If any item is missing or damaged contact the place of purchase immediately Chapter 1 Introduction 9 Physical Description This chapter describes the GS748T Gigabit Smart Switch hardware features Topics include e GS748T Front Panel and Back Panel Configuration e LED Designations e Device Hardware Interfaces Chapter 2 Physical Description 10 GS748T Smart Switch Hardware Installation Guide GS748T Front Panel and Back Panel Configuration The GS748T has 48 10 100 1000 Mbps co
Download Pdf Manuals
Related Search