NETGEAR ProSafe GSM7248 Operating Instructions Manual
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NETGEAR ProSafe GSM7248 Operating Instructions Manual

NETGEAR ProSafe GSM7248 Operating Instructions Manual

Managed layer 2 gigabit ethernet switch
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See also: User Manual , Cli Reference Manual
@2005 NETGEAR, Inc. NETGEAR, 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. 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 NETGEAR ProSafe GSM7248 Managed Layer 2 Gigabit Ethernet Switch has been suppressed in accordance with the
conditions set out in the BMPT-AmtsblVfg 243/1991 and Vfg 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.
Federal Office for Telecommunications Approvals 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 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:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
EN 55 022 and EN 55 024 Statements
This is to certify that the NETGEAR ProSafe GSM7248 Managed Layer 2 Gigabit Ethernet 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.
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 measures.
Canadian Department of Communications Radio Interference Regulations
202-10103-01
Page 1 of 22

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Summary of Contents for NETGEAR ProSafe GSM7248

  • Page 1 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..
  • Page 2 This digital apparatus (NETGEAR ProSafe GSM7248 Managed Layer 2 Gigabit Ethernet Switch) do 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. Règlement sur le brouillage radioélectrique du ministère des Communications Cet appareil numérique (NETGEAR ProSafe GSM7248 Managed Layer 2 Gigabit Ethernet Switch) respecte les limites de bruits radioélectriques...

  • Page 3: Table Of Contents

    Step 4: Applying AC Power ...13 Step 5: Connecting Devices to the Switch...14 Step 6: Installing a SFP Module...14 Step 7: Connecting to the Console Port to Manage the Switch (initial configuration) ...15 APPENDIX A: TECHNICAL SPECIFICATIONS...18 APPENDIX B: TROUBLESHOOTING ...20 Troubleshooting Chart ...20...
  • Page 4 FIGURE 1-1. PACKAGE CONTENTS ...8 FIGURE 2-1. FRONT PANEL OF THE GSM7248 MANAGED LAYER 2 GIGABIT ETHERNET SWITCH...9 FIGURE 2-2. BACK PANEL OF THE GSM7248 MANAGED LAYER 2 GIGABIT ETHERNET SWITCH ...9 FIGURE 2-5. WARNING! CREATING REDUNDANT PATHS BETWEEN NETWORK DEVICES ...10 FIGURE 3-1.

  • Page 5: Chapter 1: Introduction

    • Fiber and copper Gigabit Ethernet networks Your NETGEAR ProSafe GSM7248 Managed Layer 2 Gigabit Ethernet Switch can be freestanding, or rack mounted in a wiring closet or equipment room. It is IEEE-compliant and offers low latency for high-speed networking. It includes 12 auto-sensing 10/100/1000 ports. The 10/100/1000 ports are shielded RJ-45 ports that automatically negotiate to the highest speed.

  • Page 6: Features

    Features The following list identifies the key features of the NETGEAR ProSafe GSM7248 Managed Layer 2 Gigabit Ethernet Switch. • Forty Eight 10/100/1000 Mbps auto sensing Gigabit Ethernet TP ports • Four SFP module bays combo (shared with TP) with GTP for a variety of fiber connections •...
  • Page 7 Full- and half-duplex functions • Automatic address learning function to build the packet-forwarding information table. The table contains up to 16,000 media access control (MAC) addresses (that is, the switch can support networks with as many as 16,000 devices). •...

  • Page 8: Package Contents

    Quick Installation Guide CD-ROM Warranty/Support Information Card If you ordered additional SFP modules with your switch, they are provided in a separate package. If any item is missing or damaged, contact your place of purchase immediately. 202-10103-01 Figure 1-1. Package Contents...

  • Page 9: Chapter 2: Physical Description

    Console port Front and Back Panels Figures 2-1 and 2-2 show the key components on the front and back panels of the NETGEAR ProSafe GSM7248 Managed Layer 2 Gigabit Ethernet Switch The front panel contains LEDs, RJ-45 jacks, SFP module bays, and a console port. The back panel has a standard AC power receptacle for accommodating the supplied power cord.

  • Page 10: Sfp Module Bay

    • After ascertaining this information, the switch automatically configures the RJ-45 port to enable communications with the attached device, without requiring user intervention. In this way, the Auto Uplink technology eliminates the need for setting uplink connections or being concerned about whether to use crossover or straight-through cables when attaching devices.

  • Page 11: Led Descriptions

    LED Descriptions The front panel of the NETGEAR ProSafe GSM7248 Managed Layer 2 Gigabit Ethernet Switch has LEDs that provide a quick and accurate display of port speed, activity, and link state. The Gigabit Ethernet SFP ports also have LEDs that show link and activity status. Table 2-1 summarizes the LEDs on the switch and Gigabit Ethernet module.

  • Page 12: Chapter 3: Installation

    CHAPTER 3: INSTALLATION This chapter describes the installation procedures for your NETGEAR ProSafe GSM7248 Managed Layer 2 Gigabit Ethernet Switch. Switch installation involves the following steps: Step 1: Preparing the site Step 2: Installing the switch Step 3: Checking the installation...

  • Page 13: Step 2: Installing The Switch

    Step 2: Installing the Switch You can install your NETGEAR ProSafe GSM7248 Managed Layer 2 Gigabit Ethernet Switch on a flat surface or in a standard 19-inch 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.

  • Page 14: Step 5: Connecting Devices To The Switch

    2. Connect the 3-pronged end of the AC power adapter cable to a grounded 3-pronged AC outlet. When you apply power, the Power LED on the switch’s front panel will be Yellow, as it conducts a Power On Self Test (POST). After the switch passes the POST, the Power LED will change to Green and the switch is functional and ready to pass data.

  • Page 15: Step 7: Connecting To The Console Port To Manage The Switch (Initial Configuration)

    To learn the IP address, you must first access the Command Line management via the console interface. After you power-up the switch for the first time, you can connect to it using a VT100/ANSI terminal or a PC, Apple Macintosh, or UNIX workstation that is directly connected to the switch’s console port.

  • Page 16: Figure 3-4. System Information

    (GSM7248)> prompt. Enter “show sysinfo”, and it will display the management CPU’s IP address. The switch is shipped with using DHCP as default to receive its IP address, to manually set a static IP address; first you must disable DHCP as followed: (GSM7248) >enable...
  • Page 17 IP address in the above command. If you want to use your web browser, or telnet session to manage your switch, note the IP address on the Sysinfo page. To use your web browser, simply types the IP address in the URL address bar and hit enter.

  • Page 18: Appendix A: Technical Specifications

    APPENDIX A: TECHNICAL SPECIFICATIONS This appendix provides technical specifications for the NETGEAR ProSafe GSM7248 Managed Layer 2 Gigabit Ethernet Switch. Network Protocol and Standards Compatibility IEEE 802.3 10BASE-T IEEE 802.3u 100BASE-TX IEEE 802.3z 1000BASE-SX IEEE 802.3ab 1000BASE-T IEEE 802.3x flow control Management IEEE 802.1Q Static VLAN (Up to 4k)
  • Page 19 Addressing: 48-bit MAC address 10/100/1000 buffer memory: 12Mbits embedded memory for 48 ports Acoustic noise: (ANSI-S10.12): 45 dB Mean Time Between Failure (MTBF): 58,300 hours (~ 6.5 years) Power Supply Power Consumption: 90 W maximum 100-240VAC/50-60 Hz universal input Physical Specifications Dimensions (W x D x H): 440 x 257 x 43.2 mm (17.32 x 10.12 x 1.70 in) Weight: - 3.81 kg/- 8.4 lbs Environmental Specifications...

  • Page 20: Appendix B: Troubleshooting

    APPENDIX B: TROUBLESHOOTING This chapter provides information about troubleshooting the NETGEAR ProSafe GSM7248 Managed Layer 2 Gigabit Ethernet Switch. Topics include: Troubleshooting chart Additional troubleshooting suggestions Troubleshooting Chart Table B-1 lists symptoms, causes, and solutions of possible problems. Table B-1. Troubleshooting Chart Symptom Power LED is off.
  • Page 21 Ethernet limitations. Switch Integrity If required, verify the integrity of the switch by resetting the switch. To reset the switch, use the Tools> Reset command or remove AC power from the switch and then reapply AC power. If the problem continues, contact NETGEAR technical support.

  • Page 22: Appendix C: Default Settings

    APPENDIX C: Default Settings This appendix provides the default settings for the NETGEAR ProSafe GSM7248 Managed Layer 2 Gigabit Ethernet Switch. Feature GSM7248 Default Setting Port Speed Auto-negotiation Port Duplex Auto-negotiation Flow Control (half duplex) Disabled Flow Control (full duplex)

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