D-Link DES-5024 инструкция обслуживания

i DES-5024 Fast Ethernet Switching System User’s Guide Rev. 01 (January, 1999) 651DES32.K15 Printed In Taiwan RECYCLABLE[...]

ii Copyright © 1999 by D-Link Systems, Inc. All rights reserved. D-Link Limited Warranty Hardware : D-Link warrants its hardware products to be free from defects in workmanship and materials, under normal use and service, for the following periods measured from date of purchase from D-Link or its authorized Reseller: Product Type Warranty Period C[...]

iii software provided by D-Link pursuant to this warranty, but shall not apply to any update or replacement which may be provided for download via the Internet, or to any update which may otherwise be provided free of charge. D-Link’s sole obligation under this software warranty shall be to replace any defective software product with product that[...]

iv VT100 is a trademark of Digital Equipment Corporation. All other trademarks belong to their respective proprietors. Copyright Statement No part of this publication may be reproduced in any form or by any means or used to make any derivative such as translation, transformation, or adaptation without permission from D-Link Corporation/D-Link Syste[...]

v Wichtige Sicherheitshinweise Bitte lesen Sie sich diese Hinweise sorgfältig durch. Heben Sie diese Anleitung für den spätern Gebrauch auf. Vor jedem Reinigen ist das Gerät vom Stromnetz zu trennen. Vervenden Sie keine Flüssig- oder Aerosolreiniger. Am besten dient ein angefeuchtetes Tuch zur Reinigung. Um eine Beschädigung des Gerätes zu v[...]

vi Table of Contents Table of Contents ........................................................................................................... vi About This Guide ............................................................................................................ 1 Audience ...............................................................[...]

vii RS-232 Port ........................................................................................................... 21 DES-5024 to DES-5024 Connection .......................................................................... 22 Connecting the DES-5024 to other Switches and Hubs .............................................. 22 4 ..........[...]

viii Create New User ................................................................................................... 50 Delete Users .......................................................................................................... 52 Change Password .......................................................................................[...]

Fast Ethernet Switching System User’s Guide About This Guide 1 About This Guide This section defines the scope of this guide and gives a summary of the contents of each chapter. It describes the features of the D-Link DES-5024 Fast Ethernet Switching System. Information about the DES-5024 and other D-Link products is available on our web site at [...]

Fast Ethernet Switching System User’s Guide Introduction 2 1 Introduction This chapter gives a physical and functional overview of the DES-5024. The DES-5024 is an intelligent, managed switch, designed for use on medium sized networks as part of the backbone or for use with other switches and hubs on a larger network. There are two optional modul[...]

Fast Ethernet Switching System User’s Guide Introduction 3 • Modular chassis that accepts RJ-45, fiber optic and gigabit expansion modules • Support for RMON statistics through SNMP software. • The 1000BASE-SX port supports flow control compliant with IEEE 802.3 standard.[...]

Fast Ethernet Switching System User’s Guide Introduction 4 Front Panel The DES-5024 is designed for management at a glance. The front of the DES-5024, displayed in Figure 1 , has LEDs that give you essential information at a glance. The DES-5024 is a modular unit. The chassis has five slots. All the modules have LEDs. See Chapter 4, LEDs , for in[...]

Fast Ethernet Switching System User’s Guide Introduction 5 Rear Panel The three pronged power plug, ventilation fan and the on/off switch are located at the rear of the DES-5024 displayed in Figure 2 . The DES-5024 will work with AC in the range 100-240 VAC, 50-60 Hz. The power requirements are indicated on the rear panel of the DES-5024. When in[...]

Fast Ethernet Switching System User’s Guide Introduction 6 Management Methods The DES-5024 supports three management methods: • Local Console Management • Telnet Management • D-View/ SNMP Management Local Console Management Local Console Management is done through the RS-232 Console port. Managing the DES-5024 in this mode requires a direct[...]

Fast Ethernet Switching System User’s Guide Installing the DES-5024 7 2 Installing the DES-5024 This chapter covers the following: • Unpacking the DES-5024 • Installation Options • Installing Optional Modules • Powering on the DES-5024 Unpacking the DES-5024 Open the box and carefully unpack the DES-5024. You should have all the items on [...]

Fast Ethernet Switching System User’s Guide Installing the DES-5024 8 Installation Options There are two options for installing the DES-5024: desktop/ shelf installation or rack installation. Follow these guidelines for desktop/ shelf installation or rack installation: • The surface must support 18 lbs or 8 kg. • The power source must be with[...]

Fast Ethernet Switching System User’s Guide Installing the DES-5024 9 Desktop/ Shelf Installation The dimensions of the DES-5024 are 17.362 inches (441 mm) x 10.393 inches (264 mm) x 4.645 inches (118 mm). These measurements include the 8-mm rubber feet provided with the DES-5024. Follow these steps to install the DES-5024 on a desktop or shelf: [...]

Fast Ethernet Switching System User’s Guide Installing the DES-5024 10 Figure 4 : Attach Feet[...]

Fast Ethernet Switching System User’s Guide Installing the DES-5024 11 Rack Installation The DES-5024 can be mounted in an EIA standard size, 19-inch rack. The dimensions of the DES-5024 are 17.362 inches (441 mm) x 10.393 inches (264 mm) x 4.33 inches (110 mm). The DES-5024 can be placed in a wiring closet along with other equipment. Follow thes[...]

Fast Ethernet Switching System User’s Guide Installing the DES-5024 12 Figure 5 : Attach Mounting Brackets[...]

Fast Ethernet Switching System User’s Guide Installing the DES-5024 13 Figure 6 : Insert into Rack[...]

Fast Ethernet Switching System User’s Guide Installing the DES-5024 14 Installing Modules The process for installing both optional modules is the same. You cannot change the position of the CPU module. The DES-5024 will not work unless the CPU module is installed in the CPU slot. You can purchase optional modules separately in order to meet the n[...]

Fast Ethernet Switching System User’s Guide Installing the DES-5024 15 Figure 7 : Remove Blank Bracket[...]

Fast Ethernet Switching System User’s Guide Installing the DES-5024 16 Figure 8 : Insert Optional Module[...]

Fast Ethernet Switching System User’s Guide Installing the DES-5024 17 Power On The power supply will adjust to the local power source automatically. The DES-5024 may be plugged in without having any or with all LAN segment cables connected. The power plug is located at the rear of the DES-5024. Plug the cable into the wall socket and plug the ot[...]

Fast Ethernet Switching System User’s Guide Connecting the DES-5024 to the Network 18 3 Connecting the DES-5024 to the Network This chapter covers the following: • Cable Specifications • Ports • Connecting the DES-5024 to another DES-5024 • Connecting the DES-5024 to other switches and hubs This section deals with making cables and connec[...]

Fast Ethernet Switching System User’s Guide Connecting the DES-5024 to the Network 19 Table 1 : Cable Specifications for Copper Connection Ethernet Type Cable Requirements Maximum Length 10BASE-T Category 3, 4, or 5 UTP or STP 328 ft (100 M) 100BASE-TX Category 5 UTP or STP 328 ft (100 M) Figure 9 : Cable Diagram[...]

Fast Ethernet Switching System User’s Guide Connecting the DES-5024 to the Network 20 Fiber Optic Cable Data can travel much farther over fiber optic cable than over Category 3, 4 or 5 cable. Cable length can be up to 1.25 miles (two kilometers) in full duplex and 1350 feet (412 meters) in half duplex transmitting at 100 Mbps. Fiber optic cables [...]

Fast Ethernet Switching System User’s Guide Connecting the DES-5024 to the Network 21 Ports MDI-X Ports MDI-X ports are crossover ports. The pin arrangement is the same as the arrangement in a crossover cable. The advantage of MDI-X ports is that you can connect a device with an MDI-II port without using a crossover cable. The steps for connectin[...]

Fast Ethernet Switching System User’s Guide Connecting the DES-5024 to the Network 22 DES-5024 to DES-5024 Connection Connect two DES-5024s together through one or more MDI-X ports. See the section on Port Trunking in Chapter 5 for instructions on how to configure trunked ports. Connecting the DES-5024 to other Switches and Hubs You can connect t[...]

Fast Ethernet Switching System User’s Guide LEDs 23 4 LEDs The LED panel of the DES-5024, is designed to allow you to manage the DES-5024 at a glance. The LEDs indicate the following: • Power • Status • Diagnostic • Utilization • Link • Speed • Duplex mode • Collision • Receiving • Transmitting All LEDs are described in detail[...]

Fast Ethernet Switching System User’s Guide LEDs 24 CPU Module The CPU module, displayed in Figure 11 , is at the top of the chassis. This is the only slot it will work in. If it is not at the top of the chassis, the DES-5024 will not work. See Table 2 : Power LED , for an explanation of the Power LED. See Table 3 : CPU Module LED for an explanat[...]

Fast Ethernet Switching System User’s Guide LEDs 25 Table 3 : CPU Module LED LED Color Dark Status Status LED increments when firmware is being loaded to the DES-5024 Normal if firmware is not being loaded Diagnostic Displays the error codes if there is a failure during the POST or during operation Normal if there are no problems. See Chapter 6 f[...]

Fast Ethernet Switching System User’s Guide LEDs 26 12-Port 10/100-TX Module The LEDs on the 12-Port 10/100-TX Module is displayed in Figure 12 . The meaning of the LEDs is displayed in Table 4 : 12-Port 10/100-TX Module LEDs . Figure 12 : 12-Port 10/100-TX Module LEDs Link The Link LED indicates there is a link at the port. If a cable is plugged[...]

Fast Ethernet Switching System User’s Guide LEDs 27 2-Port 100BASE-FX Module Figure 13 : 2-Port 100BASE-FX Module The LEDs on the 2-Port 100BASE-FX module, displayed in Figure 13 , are different from the LEDs on the other modules. The information given is the same but it is presented differently. Lk Lk means link. The Lk LED lights to indicate th[...]

Fast Ethernet Switching System User’s Guide LEDs 28 Table 5 : FX Module LED LED Lit Dark Lk (Link) (Green) Port is linked to another device No link Dx (Duplex mode) (Green) Port is in full duplex Port is in half duplex Tx (Transmitting) (Green) Port is transmitting data No data is being transmitted Rx (Receiving) (Green) Data is being received No[...]

Fast Ethernet Switching System User’s Guide LEDs 29 1-Port 1000BASE-SX Module Figure 14 : 1-Port 1000BASE-SX Module The gigabit expansion module, displayed in Figure 14 , has one port. Link The link LED lights to indicate there is a link at the port. Act Act means activity. The Activity LED indicates the port is transmitting or receiving data. Ta[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 30 5 Managing the DES-5024 This chapter shows the menus used to manage the DES-5024. Three types of management are available on the DES-5024: • Local Console Management (out-of-band) • Telnet Management (in-band) • D-View/ SNMP Management The DES-5024 can be managed in-band o[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 31 Local Console Management Local Console Management is always done through the RS-232 serial port and requires a direct connection between the DES-5024 and a PC. This type of management is very useful when the network is down and the DES-5024 cannot be reached by any other means. [...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 32 Telnet You can manage the DES-5024 via Telnet session. However, first you must assign a unique IP address to the DES-5024. Use Local Console Management to log into the DES- 5024 for the first time so that you can assign an IP address. Once you have assigned an IP address to the [...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 33 Log In The Log In panel, displayed in Figure 15 , is the first panel you see when connecting to the DES-5024. All management methods require you to log into the DES-5024 with your user name and password before beginning a management session. For security, you should change the d[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 34 Help Message A one page panel, displayed in Figure 16 , is available. The menu lists the keystroke and typographic conventions available on the DES-5024. Figure 16 : Help Message[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 35 Panel Conventions Keystroke Conventions Example Description UP, DOWN, or TAB keys Select different items. SPACEBAR Toggle-switch. DEL, or BACKSPACE Remove any input character from the screen. LEFT or RIGHT keys Move cursor backward or forward. Ctrl-r Refresh Screen Typographic C[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 36 Console Program The Console Program, shown in Figure 17 , is the main menu of the DES-5024. Figure 17 : Console Program System Configuration The System Configuration menu gives you general information about the DES-5024 and allows you to assign a LAN IP Address, Subnet Mask, LAN[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 37 100BASE-FX/ 1000BASE-SX Switch Port Module Allows you to configure the ports on the expansion module. You can set the duplex mode, for the 100BASE-FX module, and enable and disable ports. Spanning Tree Configuration The Spanning Tree Configuration menu allows you to enable or di[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 38 System Configuration Menu The System Configuration menu, displayed in Figure 18 , allows you to change the configuration of the DES-5024. Figure 18 : System Configuration menu System Information The System Information menu displays the Hardware revision, MAC address, LAN IP addr[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 39 Software Update The Software Update menu is used to update the software on the DES-5024. This feature is only supported through Local Console Management. Follow these steps to select a menu: 1. Highlight the menu option. 2. Press Enter. System Information Menu The System Informa[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 40 MAC Address Specifies the hardwired address of the DES-5024. This address cannot be changed. System Description Brief manufacturer description of the DES-5024. This value cannot be changed. System Name Specifies the full name of the DES-5024. This value can be changed, allowing [...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 41 System Reset The System Reset panel, displayed in Figure 20 , enables you to reset the DES-5024 without powering off. Figure 20 : System Reset Some configurations will require you to reset the DES-5024 in order for them to take effect. Screen prompts will tell you to reset the D[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 42 Factory Reset The Factory Reset panel, displayed in Figure 21 , is used to reset the DES-5024 and restore all factory default values. Using this panel erases all configurations and customization. Figure 21 : Factory Reset Follow these steps to restore factory default configurati[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 43 Figure 22 : Factory Reset confirmation Follow these steps to exit the panel without restoring factory default parameters: 1. Select No or Exit. 2. Press Enter.[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 44 System Rate Control The System Rate Control panel, displayed in Figure 23 , allows you to set the packet forwarding rate on the DES-5024. There are two options: Store & Forward and Cut- Through. Figure 23 : System Rate Control The DES-5024 can be set for Store and Forward or[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 45 example, 1500 byte packets are delayed by 1200 microseconds in a Store and Forward device versus 60 microseconds in a Cut-Through device. Store and Forward requires more memory because the DES-5024 must store the packet before sending it out. Advantages of Cut-Through Cut-Throug[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 46 Software Update Menu The Software Update menu, displayed in Figure 24 , is used to upgrade the software on the DES-5024. Figure 24 : Software Update menu Follow these steps to upload new software: 1. Load the new software to the hard drive of the PC you will be downloading from.[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 47 Figure 25 : Transfer Firmware Figure 26 : Send File[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 48 Figure 27 : Xmodem When the transfer is complete you will see the panel in Figure 28 . The DES-5024 will reset itself automatically and you will have to log in again. Figure 28 : EEPROM[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 49 User Account Management The User Account Management panels allow you to add users, delete users and modify user access rights. Follow these steps to reach the User Account Management panels: 1. Select User Account Management on the Main menu. 2. Press Enter. User Account Change [...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 50 Create New User The Create New User panel, displayed in Figure 30 , allows you to add new users. You can have a total of three users on the DES-5024. Figure 30 : Create New User User Name Enter the user’s name in this field. User names are case sensitive. You can enter a maxim[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 51 Follow these steps to add users: 1. Enter the User Name. 2. Enter the Password. 3. Reenter the password in the Confirm Password field. 4. Toggle the space bar to set the access level of the new user. 5. Select Save and press Enter.[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 52 Delete Users The Delete Users panel, displayed in Figure 31 , allows you to delete users from the DES- 5024. As a safety precaution, the DES-5024 will not allow the user who is currently logged in to delete themselves by accident. Figure 31 : Delete Users User Name Identifies th[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 53 2. Toggle the space bar to change the current Access Level. 3. Select Save and press Enter. Follow these steps to change user Status Level: 1. Select the user’s Status Level. 2. Toggle the space bar to select the new Status Level. 3. Select Save and press Enter. Follow these s[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 54 Change Password The Change Password panel, displayed in Figure 32 , enables you to change user passwords. Figure 32 : Change Password User Name The name of the user whose password you are going to change. Old Password The user’s old password. New Password The user’s new pass[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 55 5. Select Save and press Enter to save your changes.[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 56 Switch Port Configuration The Switch Port Configuration panels are used to configure individual ports on the DES- 5024. The only difference between the panels is the port number that they deal with. The options and settings are the same for each. Select the group of ports that y[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 57 Switch Port Configuration Menu The Switch Port Configuration menu, displayed in Figure 33 , enables you to change the configurations of individual ports. Figure 33 : Switch Port Configuration State All ports have two states: enabled or disabled. Enabled ports transmit and receiv[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 58 Ports set in the 10Tx/Half state are set to work at 10 Mbps half duplex. Ports set in the 10Tx/Full state are set to work at 10 Mbps full duplex. The 100BASE-FX ports can only be in the 100/Fx Half or 100/Fx Full states. The 1000BASE-FX port can only be in 1000SX/Full. Half-dupl[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 59 Spanning Tree Configuration The Spanning Tree Configuration panel is used to configure the Spanning Tree Algorithm. The Spanning Tree Algorithm (STA) in the DES-5024 allows you to create alternative paths (using multiple switches or bridges) in your network. These backup paths a[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 60 Spanning Tree Algorithm Spanning Tree Algorithm can be enabled or disabled. Use Spanning Tree to prevent network loops. Bridge Priority The Bridge Priority can be from 0 to 65535. Zero is the highest Bridge Priority. The higher the Bridge Priority the greater the chance that the[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 61 The switch with the lowest Bridge Identifier is the Root Bridge. It is best to make the Root Bridge the best switch on the network to ensure the best network performance and reliability. Root Bridge Specifies the MAC address of the Root Bridge. The DES-5024 may or may not be the[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 62 SNMP Management Configuration The SNMP Management Configuration panel is used to configure the DES-5024 for SNMP management. Leave the default values in place if you are not managing your network through SNMP. The DES-5024 uses the standard MIB-II Management Information Base mod[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 63 SNMP Management Configuration Menu The SNMP Management Configuration menu, displayed in Figure 35 , enables you to configure the DES-5024 for SNMP management. Figure 35 : SNMP Management Configuration menu SNMP Manager Setting The fields under this setting are used to configure [...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 64 Status Can be Valid or Invalid. Only communities with Valid status can access the DES-5024. Communities with Invalid status cannot access the DES-5024. SNMP Trap Manager Setting Enables you to enter the IP addresses of Trap Managers. Traps are messages the DES- 5024 sends out to[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 65 2. Select the Access Right field and toggle the space bar to select Read Only or Read/ Write. 3. Select the Status field and toggle the space bar to select Valid or Invalid. 4. Select Save and press Enter. Follow these steps to configure the SNMP Trap Manager Setting: 1. Enter t[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 66 VLAN Port Management A Virtual Local Area Network (VLAN) is a logical subgroup within a LAN that is created with software rather than physical connections. The purpose of a VLAN is to prevent broadcast storms and ease congestion on your network. Each VLAN created is a broadcast [...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 67 VL AN Port Management Menu The VLAN Port Management menu, displayed in Figure 36 , enables you to create, delete and modify VLANs on the DES-5024. Figure 36 : VLAN Port Management menu Follow these steps to create, delete and modify VLAN: 1. Select the appropriate option. 2. Pre[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 68 Create New VLAN The Create New VLAN menu, displayed in Figure 37 , is used to create a new VLAN. The default value is that all ports belong to one VLAN. You can create up to eight separate VLANs. Ports can belong to two VLANs at the same time. Each VLAN is a broadcast domain. If[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 69 VLAN. All ports will have a status of available on this panel, even after they have been selected as part of a VLAN. There is nothing on this panel that indicates the port is already part of a VLAN. Follow these steps to create a VLAN: 1. Enter the name of the VLAN you are creat[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 70 Delete VLAN Menu The Delete VLAN menu, displayed in Figure 38 , is used to delete VLANs. Figure 38 : Delete VLAN menu VLAN Name Is the name of the VLAN. Delete After you have created a VLAN, this column will have the option to delete it. Follow these steps to delete VLANs: 1. Se[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 71 Modify VLAN Menu The Modify VLAN menu, displayed in Figure 39 , enables you to modify VLANs. Figure 39 : Modify VLAN menu Virtual LAN Name The names of all VLANs appear in this column. Follow these steps to modify VLANs: 1. Select the name of the appropriate VLAN. 2. Press Enter[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 72 Trunking Port Management Menu The Trunking Port Management panels, displayed in Figure 40 , are used to create, delete and modify trunk ports. Figure 40 : Trunking Port Management menu Follow these steps to create, delete and modify trunk ports: 1. Select the appropriate option.[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 73 Create New Trunking Port The Create New Trunking Port panel, displayed in Figure 41 , is used to create Trunk Ports. You can create up to seven trunking groups with up to eight ports in each group. Each Trunking Group acts like a single port. The trunking speed is 800 Mbps in ha[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 74 a TrunkGroup. All ports will have a status of available on this panel, even after they have been selected as part of a TrunkGroup. There is nothing on this panel that indicates the port is already part of a TrunkGroup. Follow these steps to create a TrunkGroup: 1. Enter the name[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 75 Delete Trunking Port The Delete Trunking Port panel, displayed in Figure 42 , is used to delete Trunk Ports. Figure 42 : Delete Trunking Port Trunking Port Is the name of the Trunking Group. Delete After you have created a Trunking Group, this column will have the option to dele[...]

Fast Ethernet Switching System User’s Guide Managing the DES-5024 76 Figure 43 : Modify Trunking Port Trunking Port Name The names of all Trunked Ports appear in this column. Follow these steps to modify Trunked Ports: 1. Select the name of the appropriate Trunked Port. 2. Press Enter. 3. Use the Modify Trunking Port panel to modify a Trunking Gr[...]

Fast Ethernet Switching System User’s Guide Troubleshooting 77 6 Troubleshooting This troubleshooting section is intended to help you solve the most common problems on the DES-5024. The Diagnostic LED displays a code if there is a problem on the DES-5024. If an error cannot be resolved by implementing the solutions in this section, contact D-Link[...]

Fast Ethernet Switching System Users’ Guide Troubleshooting 78 5024 is not powering on while the power cord is plugged into the wall socket, the power supply is not working. Return the unit. All LEDs are Off Check the power plug and verify that the DES-5024 is receiving adequate power. Log in to the DES-5024 using Local Console Management, see Ch[...]

Fast Ethernet Switching System User’s Guide Troubleshooting 79 Table 8 : Diagnostic LED 2 PHY Failur e ARL Failur e ARL Memor y Failur e[...]

Fast Ethernet Switching System Users’ Guide Appendix A 80 Appendix A DES-5024 Technical Specifications Switch Specifications • Complies with IEEE 802.3 CSMA/CD 10 /100-TX, 100BASE-FX and 1000 BASE-SX • Complies with IEEE 802.1d Spanning Tree • Switched IEEE 802.3 MAC layer frame size: 64-1518 • NWAY Auto-negotiation for each 10/100-TX net[...]

Fast Ethernet Switching System User’s Guide Appendix A 81 • 1 1000BASE-SX port, operates at full duplex and requires 850 nm multimode fiber optic cables with SC connectors. This port can also negotiate flow control. General Standards: IEEE 802.3 10BASE-T Ethernet IEEE 802.3u 100BASE-TX, 100BASE-FX Fast Ethernet and 1000BASE-SX for Gigabit Ether[...]

Fast Ethernet Switching System Users’ Guide Appendix A 82 Physical and Environmental AC inputs: 90 – 254 VAC, 50/60 Hz (internal universal power supply) Power Consumption: 105 watts maximum DC fans: 2 built in 80 x 80 mm fans and 1 60 x 60 mm fan Operating Temperature: 0 ~ 50 degrees Celsius Storage Temperature: -25 ~ 70 degrees Celsius Humidit[...]

Fast Ethernet Switching System User’s Guide Appendix A 83 Performance Transmission Method: Cut-Through and Store-and-Forward RAM Buffer: 2 M bytes per device Filtering Address Table: 8 K entries per device Packet Filtering/ Forwarding Rate: 148810 pps per port (for 100 Mbps) MAC Address Learning: Automatic update Max age: five minutes[...]

84 Index A Access Level ............................................... 50, 52 Access Right ..................................................... 63 Act .................................................................... 29 All LEDs Off ..................................................... 78 Audience ..............................................[...]

85 Ports ................................................................. 21 POST Errors ...................................................... 77 Power ................................................................ 17 Power LED ................................................. 24, 77 Priority ....................................................[...]