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                        Managed Layer 2 
Switches GSM7224 and 
GSM7248 Hardware 
Installation Guide
NETGEAR, Inc.
350 E. Plumeria Drive 
Sant Jose, CA 95134 USA
202-10351-02 
July 2009                                                                                                                                                                                                                                                                                                                                                    
                    
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                        © 2009 by NETGEAR, Inc. All rights reserved. Technical Support Please refer to the support information card that shipped with your product. When you register your product at  http://www.netgear.com/register, we can provide you with faster expert technical support and timely notices of product  and software upgrades. NETGEAR, INC. Support Information Phone: 1-888-NETGEAR, for US & Canada only. For other countries, see your Support information card. E-mail: support@netgear.com North American NETGE
                    
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                        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. Thes
                    
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                        This is to certify that the NETGEAR ProSafe™ 48-Port L2 Managed Switch with Static Routing GSM7248 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.  Warning: This is a Class A product. In a domestic environment, this product may cause  radio interference, in which case the user may be required to take appropriate  measu
                    
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                        Contents About This Manual Conventions, Formats, and Scope ...................................................................................vii How to Print This Manual ................................................................................................viii Chapter 1  Introduction GSM7224 Front Panel and LEDs ...................................................................................1-1 GSM7224 Rear Panel .....................................................................
                    
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                        Additional Troubleshooting Suggestions  .......................................................................3-2 Appendix A  Default Settings and Technical Specifications Default Settings ............................................................................................................. A-1 Technical Specifications ................................................................................................. A-3 Appendix B  Related Documents vi v1.0, July 2009                     
                    
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                        About This Manual ® The NETGEAR Managed Layer 2 Switches GSM7224 and GSM7248 Hardware Installation  Guide describes how to install, configure, and troubleshoot the ProSafe™ 24-Port L2 Managed  Switch with Static Routing GSM7224 and the ProSafe™ 48-Port L2 Managed Switch with Static  Routing GSM7248. 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 describe
                    
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                        Managed Layer 2 Switches GSM7224 and GSM7248 Hardware Installation Guide • Scope. This manual is written for the Managed Layer 2 Switch according to these  specifications: Product Version ProSafe™ 24-Port L2 Managed Switch with Static Routing  GSM7224 ProSafe™ 48-Port L2 Managed Switch with Static Routing  GSM7248 Manual Publication Date July 2009 For more information about network, Internet, firewall, and VPN technologies, see the links to the  NETGEAR website in Appendix B, “Related Documents”
                    
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                        Managed Layer 2 Switches GSM7224 and GSM7248 Hardware Installation Guide • Click the print icon in the upper left of your browser window.  Tip: If your printer supports printing two pages on a single sheet of paper, you can  save paper and printer ink by selecting this feature. ix v1.0, July 2009                                                                                                                                                                                                           
                    
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                        Managed Layer 2 Switches GSM7224 and GSM7248 Hardware Installation Guide x v1.0, July 2009                                                                                                                                                                                                                                                                                                                                                                                                                          
                    
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                        Chapter 1 Introduction The NETGEAR managed switch is a state-of-the-art, high-performance, IEEE-compliant network  solution. It includes powerful management features that you can use to eliminate bottlenecks,  boost performance, and increase productivity.  This guide describes hardware installation and basic troubleshooting for the ProSafe™ 24-Port L2  Managed Switch with Static Routing GSM7224 and ProSafe™ 48-Port L2 Managed Switch with  Static Routing GSM7248. These switches can be free standi
                    
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                        Managed Layer 2 Switches GSM7224 and GSM7248 Hardware Installation Guide GSM7224 Rear Panel The rear panel has a console port, a redundant power supply connector, and a standard AC power  receptacle for the supplied power cord.  Power receptacle Console Redundant power supply connector Figure 1-2 GSM7248 Front Panel and LEDs The following figure shows the front panel of the GSM7248. The front panel contains LEDs, a  USB port, a RST (reset) button, RJ-45 jacks, and copper/fiber combo ports. LEDs 
                    
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                        Managed Layer 2 Switches GSM7224 and GSM7248 Hardware Installation Guide GSM7248 Rear Panel The rear panel has a console port, a redundant power supply connector, and a standard AC power  receptacle for the supplied power cord.  Console Redundant Power receptacle power supply connector Figure 1-4 Interpreting the LEDs The following table describes the LEDs on the front panel of the switch.  Table 1-1. LED Descriptions LED Description PWR (power) • Solid green. Power is supplied and the switch is
                    
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                        Managed Layer 2 Switches GSM7224 and GSM7248 Hardware Installation Guide Table 1-1. LED Descriptions (continued) LED Description 10/100/1000M  SPD/Link/ACT LED Ports  • Off. No link is established on the port.  (1 LED per port)  • Solid green. A valid 1000 Mbps link is established on the port.  • Blinking green. The port is sending or receiving packets at 1000 Mbps. • Solid yellow. A valid 100 or 10 Mbps link is established on the port.  • Blinking yellow. The port is sending or receiving packet
                    
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                        Managed Layer 2 Switches GSM7224 and GSM7248 Hardware Installation Guide – The product does not operate correctly when you follow the operating instructions. • Keep your system away from radiators and heat sources. Also, do not block cooling vents. • Do not spill food or liquids on your system components, and never operate the product in a wet  environment. If the system gets wet, contact technical support or your trained service provider. • Do not push any objects into the openings of your syst
                    
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                        Managed Layer 2 Switches GSM7224 and GSM7248 Hardware Installation Guide • To help protect your system from sudden, transient increases and decreases in electrical power,  use a surge suppressor, line conditioner, or uninterruptible power supply (UPS). • Position system cables and power cables carefully; route cables so that they cannot be stepped  on or tripped over. Be sure that nothing rests on any cables. • Do not modify power cables or plugs. Consult a licensed electrician or your power com
                    
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                        Chapter 2 Hardware Installation This chapter explains how to install the hardware for the ProSafe™ 24-Port L2 Managed Switch  with Static Routing GSM7224 and the ProSafe™ 48-Port L2 Managed Switch with Static Routing  GSM7248. Package Contents The switch is packed and shipped separately. The package contains the following items: • Managed Layer 2 Switch with preinstalled software • Power adapter cord • Rubber footpads for tabletop installation  • Rubber caps for the SFP sockets  • Rack-mounting 
                    
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                        Managed Layer 2 Switches GSM7224 and GSM7248 Hardware Installation Guide Protecting Against Electrostatic Discharge Warning: Static electricity can harm delicate components inside your system. To  prevent static damage, discharge static electricity from your body before you  touch any of the electronic components, such as the microprocessor. You can  do so by periodically touching an unpainted metal surface on the switch. You can also take the following steps to prevent damage from electrostatic
                    
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                        Managed Layer 2 Switches GSM7224 and GSM7248 Hardware Installation Guide Installation  Install the equipment in the following sequence, as presented in this chapter: 1. Select a location. See the following section, “Selecting a Location.” 2. Install the switch. See “Installing the Switch” on page 2-4. 3. Check the installation. See “Checking the Installation” on page 2-5. 4. Apply power and check the LEDs. See “Connecting to Power and Check the LEDs” on  page 2-5. Selecting a Location The switch
                    
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                        Managed Layer 2 Switches GSM7224 and GSM7248 Hardware Installation Guide Table 2-1. Site Requirements for Switch Location  (continued) Requirements 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 that  there is adequate airflow in the room or wiring closet where you will install the switch.  Cabling Route the cable to avoid sources of electrical noise such as ra