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Фрагмент инструкции
In the 802.1Q mode (the default mode of operation), the module functions as an 802.1D switch until you configure VLANs. Up to 1024 VLANs can be configured. IEEE 802.1Q switching allows migration to Virtual Network technologies without requiring the replacement of existing equipment. 1.10 STANDARDS COMPATIBILITY The 5H102-48 and 5H103-48 modules are fully compliant with the IEEE 802.3, 802.3u, 802.3x, 802.1D, and 802.1Q standards. The modules provide IEEE 802.1D Spanning Tree Algorithm (STA) support to enhance the overall reliability of the network and protect against “loop” conditions. The modules support a wide variety of industry standard MIBs including RFC 2737 (MIB I), RFC 1213 (MIB II), RFC 1757 (RMON), and RFC 1493 (Bridge MIB). A full suite of Enterasys Networks Enterprise MIBs provide a wide array of statistical information to enhance troubleshooting. For information on how to extract and compile individual MIBs, contact Enterasys Networks. 1.11 LANVIEW DIAGNOSTIC LEDs LANVIEW diagnostic LEDs serve as an important troubleshooting aid by providing an easy way to observe the status of individual ports and overall network operations. Introduction 1-5 Network Requirements Before installing the module, review the requirements and specifications referred to in this chapter concerning the following: • Port Trunking (Section 2.1) • 10BASE-T Twisted Pair Network (Section 2.2) • 100BASE-T Twisted Pair Network (Section 2.3) The network installation must meet the requirements to ensure satisfactory performance of this equipment. Failure to do so will produce poor network performance. NOTE: The MATRIX E5 Series Modules Local Management User’sGuide and Cabling Guide referred to in the following sections can be found on the Enterasys Networks World Wide Web site: 2.1 PORT TRUNKING FEATURE Before connecting the module to a network so it can take advantage of the Port Trunking feature, there are certain rules concerning port connections and configurations that must be followed for proper operation. Refer to the MATRIX E5 Series Modules Local Management User’s Guide for additional information. 2.2 10BASE-T NETWORK When connecting a 10BASE-T segment to any of the module ports (1 through 48), ensure that the network meets the Ethernet network requirements of the IEEE 802.3 standard for 10BASE-T. Refer to the Cabling Guide for details. NOTE: If a port is to operate at 100 Mbps, Category 5 cabling must be used. Category 3 cabling does not meet 100 Mbps specifications. For 10 Mbps operation only, Category 3 or Category 5 cabling can be used. Refer to Section 2.3 for information about 100BASE-TX networks and cabling. Network Requirements 2-1 100BASE-TX Network 2.3 100BASE-TX NETWORK The fixed front panel ports of the module provide a connection that supports Category 5 UTP cabling. The device at the other end of the twisted pair segment must meet IEEE 802.3u 100BASE-TX Fast Ethernet network requirements for the devices to operate at 100 Mbps. Refer to the Cabling Guide for details. NOTE: The fixed ports of the module support Category 5 UTP cabling with an impedance between 85 and 111 ohms for 100 Mbps operation. The module is capable of operating at either 10 or 100 Mbps. The module automatically senses the speed of the other device and adjusts its speed accordingly. 2-2 Network Requirements Installation ELECTRICAL HAZARD: Only qualified personnel should install the module. NOTE: Read the Release Notes shipped with the module to check for any exceptions to the supported features and operation documented in this guide. This chapter provides the instructions to install the 5H102-48 or 5H103-48 module. A Phillips screwdriver is required to install options into the module. Follow the order of the sections listed below to correctly install the module. • Unpacking the Module (Section 3.1) • Installing the Module into the 5C105 MATRIX E5 Chassis (Section 3.2) • Connecting to the Network (Section 3.3) • Completing the Installation (Section 3.4) 3.1 UNPACKING THE MODULE Unpack the module as follows: Instal llation 3-1 UnpackingtheModule 1. Open the box and remove the packing material protecting the module. 2. Verify the contents of the carton as listed in Table 3-1. Table 3-1 Contents of Module Carton Item Quantity One module, either the 5H102-48 or the 5H103-48 1 Antistatic Wrist Strap 1 RJ21 Angle Adapter 4 Manual Accessory Kit 1 3. Remove the tape seal on the non-conductive bag to remove the module. 4. Perform a visual inspection of the module for any signs of physical damage. Contact Enterasys Networks if there are any signs of damage. Refer to Getting Help for details. 3-2 Instal llation Installing the Module into the 5C105 Chassis 3.2 INSTALLING THE MODULE INTO THE 5C105 CHASSIS CAUTION: Failure to observe static safety precautions could cause damage to the module. Follow static safety handling rules and wear the antistatic wrist strap provided with the 5C105 Chassis. Do not cut the non-conductive ba...
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