Product Manual
Page 2
... environment. These limits are trademarks of D-Link Computer Corporation; In diesem Fall kann vom Benutzer verlangt werden, angemessene Massnahmen zu ergreifen. Este es un producto de Clase A. En un entorno doméstico, puede causar interferencias de radio, en cuyo case, puede requerirse ...names other than its own. Precaución! Information in this document is subject to change without the written permission of D-Link Computer Corporation is strictly forbidden. All rights reserved. Reproduction in any proprietary interest in ambiente domestico il prodotto può...
... environment. These limits are trademarks of D-Link Computer Corporation; In diesem Fall kann vom Benutzer verlangt werden, angemessene Massnahmen zu ergreifen. Este es un producto de Clase A. En un entorno doméstico, puede causar interferencias de radio, en cuyo case, puede requerirse ...names other than its own. Precaución! Information in this document is subject to change without the written permission of D-Link Computer Corporation is strictly forbidden. All rights reserved. Reproduction in any proprietary interest in ambiente domestico il prodotto può...
Product Manual
Page 5
This guide is intended for setup and management and of your device. D-Link DES-3250TG Standalone Layer 2 Switch Intended Readers The DES-3250 User's Guide contains information for network managers familiar with network management concepts and terminology. CAUTION: A CAUTION indicates a potential for property damage, personal injury, or ..., and Cautions NOTE: A NOTE indicates important information that helps you how to hardware or loss of data and tells you make better use of the DES-3250TG switch.
This guide is intended for setup and management and of your device. D-Link DES-3250TG Standalone Layer 2 Switch Intended Readers The DES-3250 User's Guide contains information for network managers familiar with network management concepts and terminology. CAUTION: A CAUTION indicates a potential for property damage, personal injury, or ..., and Cautions NOTE: A NOTE indicates important information that helps you how to hardware or loss of data and tells you make better use of the DES-3250TG switch.
Product Manual
Page 6
... than the ratings marked on the electrical ratings label. Only a trained service technician should be sure the voltage selection switch (if provided) on the power supply is set to indicate cautions and precautions that is approved for any of the...electrical ratings label. If you follow the operating instructions. • Keep your location. • Use only approved power cable(s). D-Link DES-3250TG Standalone Layer 2 Switch Safety Instructions Use the following precautions. Throughout this safety section, the caution icon ( ) is damaged. - Observe and follow . ...
... than the ratings marked on the electrical ratings label. Only a trained service technician should be sure the voltage selection switch (if provided) on the power supply is set to indicate cautions and precautions that is approved for any of the...electrical ratings label. If you follow the operating instructions. • Keep your location. • Use only approved power cable(s). D-Link DES-3250TG Standalone Layer 2 Switch Safety Instructions Use the following precautions. Throughout this safety section, the caution icon ( ) is damaged. - Observe and follow . ...
Product Manual
Page 7
... stabilizers installed could cause the rack to tip over and may result in a rack. After installing system/components in bodily injury under certain circumstances. D-Link DES-3250TG Standalone Layer 2 Switch Safety Instructions (continued) • To help prevent electric shock, plug the system and peripheral power cables into the extension cable or power strip does...
... stabilizers installed could cause the rack to tip over and may result in a rack. After installing system/components in bodily injury under certain circumstances. D-Link DES-3250TG Standalone Layer 2 Switch Safety Instructions (continued) • To help prevent electric shock, plug the system and peripheral power cables into the extension cable or power strip does...
Product Manual
Page 8
... also take the following steps to install the component in your system. Handle all connections to DC power and to the rack cabinet frame. D-Link DES-3250TG Standalone Layer 2 Switch Safety Instructions (continued) Always load the rack from the bottom up, and load the heaviest item in an antistatic container or packaging. 3. You can...
... also take the following steps to install the component in your system. Handle all connections to DC power and to the rack cabinet frame. D-Link DES-3250TG Standalone Layer 2 Switch Safety Instructions (continued) Always load the rack from the bottom up, and load the heaviest item in an antistatic container or packaging. 3. You can...
Product Manual
Page 9
...ports (optional module). 1 Connections to full-duplex capable end stations and switches. D-Link DES-3250TG Standalone Layer 2 Switch 1 INTRODUCTION This section describes the functionality features of users increase continuously. Full duplex allows the switch port to simultaneously transmit and receive data, and only works with connections ... 802.3z compliant for connecting to a console terminal or PC using a terminal emulation program. Features The DES-3250TG Switch was designed for easy installation and high performance in module interface for both 10Mbps and 100Mbps connections.
...ports (optional module). 1 Connections to full-duplex capable end stations and switches. D-Link DES-3250TG Standalone Layer 2 Switch 1 INTRODUCTION This section describes the functionality features of users increase continuously. Full duplex allows the switch port to simultaneously transmit and receive data, and only works with connections ... 802.3z compliant for connecting to a console terminal or PC using a terminal emulation program. Features The DES-3250TG Switch was designed for easy installation and high performance in module interface for both 10Mbps and 100Mbps connections.
Product Manual
Page 10
.... at 148,800 pps per port at 100% of wire-speed for 100Mbps speed. • Data filtering rate eliminates all error packets, runts, etc. D-Link DES-3250TG Standalone Layer 2 Switch • IEEE 802.3ab compliant for 1000BASE-T (Copper) Gigabit ports (optional module). • Data forwarding rate 14,880 pps per port at 100% of...
.... at 148,800 pps per port at 100% of wire-speed for 100Mbps speed. • Data filtering rate eliminates all error packets, runts, etc. D-Link DES-3250TG Standalone Layer 2 Switch • IEEE 802.3ab compliant for 1000BASE-T (Copper) Gigabit ports (optional module). • Data forwarding rate 14,880 pps per port at 100% of...
Product Manual
Page 11
... protocol. Ether-Like MIB (RFC 2358) - The RMON specification defines the Counters for both receive and transmit functions. 802.1p MIB (RFC 2674). However, the DES-3250TG implements counters for the Receive function only. dot3StatsTable. • Supports Web-based management. • CLI management support. • TFTP support. • BOOTP support. •... throughput over 100Mbps Fast Ethernet and a one hundred-fold increase over 10Mbps Ethernet. Since it is a standard specified by the IEEE 802.3 LAN committee. D-Link DES-3250TG Standalone Layer 2 Switch MIB-II (RFC 1213).
... protocol. Ether-Like MIB (RFC 2358) - The RMON specification defines the Counters for both receive and transmit functions. 802.1p MIB (RFC 2674). However, the DES-3250TG implements counters for the Receive function only. dot3StatsTable. • Supports Web-based management. • CLI management support. • TFTP support. • BOOTP support. •... throughput over 100Mbps Fast Ethernet and a one hundred-fold increase over 10Mbps Ethernet. Since it is a standard specified by the IEEE 802.3 LAN committee. D-Link DES-3250TG Standalone Layer 2 Switch MIB-II (RFC 1213).
Product Manual
Page 12
...Link DES-3250TG Standalone Layer 2 Switch 2 UNPACKING AND SETUP This chapter provides unpacking and setup information for ventilation between the device and the objects around the switch. The carton should first be within 1.82 meters (6 feet) of the device. Installation Use the following items: • One DES-3250TG Standalone Layer 2 Switch... there is found missing or damaged, please contact your local D-Link reseller for replacement. Do not place heavy objects on the switch Desktop or Shelf Installation When installing the Switch on the bottom at least 5 kg • The power ...
...Link DES-3250TG Standalone Layer 2 Switch 2 UNPACKING AND SETUP This chapter provides unpacking and setup information for ventilation between the device and the objects around the switch. The carton should first be within 1.82 meters (6 feet) of the device. Installation Use the following items: • One DES-3250TG Standalone Layer 2 Switch... there is found missing or damaged, please contact your local D-Link reseller for replacement. Do not place heavy objects on the switch Desktop or Shelf Installation When installing the Switch on the bottom at least 5 kg • The power ...
Product Manual
Page 13
... in a wiring closet with the equipment rack to the switch Then, use the screws provided with other equipment. Figure 2-3. Installing the switch on each side) and secure them with the screws provided. Attaching the mounting brackets to mount the switch on the rack. D-Link DES-3250TG Standalone Layer 2 Switch Figure 2-1. Figure 2- 2. To install, attach the mounting brackets...
... in a wiring closet with the equipment rack to the switch Then, use the screws provided with other equipment. Figure 2-3. Installing the switch on each side) and secure them with the screws provided. Attaching the mounting brackets to mount the switch on the rack. D-Link DES-3250TG Standalone Layer 2 Switch Figure 2-1. Figure 2- 2. To install, attach the mounting brackets...
Product Manual
Page 14
...otherwise this LED indicator is turned on, the LED indicators should respond as follows: • All LED indicators will blink while the Switch loads onboard software and performs a self-test. This blinking of the LED indicators represents a reset of the system • The ...50 - 60 Hz. After the power switch is OFF Power Failure As a precaution in . 6 The switch's power supply will remain ON if there is a connection at the rear of a power failure, unplug the switch. D-Link DES-3250TG Standalone Layer 2 Switch Power on The DES-3250TG switch can be turned on without having any or...
...otherwise this LED indicator is turned on, the LED indicators should respond as follows: • All LED indicators will blink while the Switch loads onboard software and performs a self-test. This blinking of the LED indicators represents a reset of the system • The ...50 - 60 Hz. After the power switch is OFF Power Failure As a precaution in . 6 The switch's power supply will remain ON if there is a connection at the rear of a power failure, unplug the switch. D-Link DES-3250TG Standalone Layer 2 Switch Power on The DES-3250TG switch can be turned on without having any or...
Product Manual
Page 15
... Indicators section below). ● An RS-232 DCE console port for setting up and managing the switch via a connection to end stations, servers and hubs. D-Link DES-3250TG Standalone Layer 2 Switch 3 IDENTIFYING EXTERNAL COMPONENTS This chapter describes the front panel, rear panel, side panels, and optional ... or PC using a terminal emulation program. ● Forty-eight high-performance NWay Ethernet ports, all of the DES-3250TG. Front Panel The front panel of the Switch consists of LED indicators, an RS-232 communication port, 48 (10/100 Mbps) Ethernet/Fast Ethernet ports, and...
... Indicators section below). ● An RS-232 DCE console port for setting up and managing the switch via a connection to end stations, servers and hubs. D-Link DES-3250TG Standalone Layer 2 Switch 3 IDENTIFYING EXTERNAL COMPONENTS This chapter describes the front panel, rear panel, side panels, and optional ... or PC using a terminal emulation program. ● Forty-eight high-performance NWay Ethernet ports, all of the DES-3250TG. Front Panel The front panel of the Switch consists of LED indicators, an RS-232 communication port, 48 (10/100 Mbps) Ethernet/Fast Ethernet ports, and...
Product Manual
Page 16
...rear and sides of the system also provide heat vents to the 48 10/100 Mbps ports, the Switch features two Gigabit Ethernet Combo ports. The sides of the switch for proper ventilation. The GBIC port will always have the highest priority. Gigabit Combo Ports In addition to...heat. Do not block these two front panel modules can be different. These two ports are used to serve the same purpose. D-Link DES-3250TG Standalone Layer 2 Switch The system fans are used simultaneously, the ports must be used to dissipate heat. Be reminded that although these openings, and leave ...
...rear and sides of the system also provide heat vents to the 48 10/100 Mbps ports, the Switch features two Gigabit Ethernet Combo ports. The sides of the switch for proper ventilation. The GBIC port will always have the highest priority. Gigabit Combo Ports In addition to...heat. Do not block these two front panel modules can be different. These two ports are used to serve the same purpose. D-Link DES-3250TG Standalone Layer 2 Switch The system fans are used simultaneously, the ports must be used to dissipate heat. Be reminded that although these openings, and leave ...
Product Manual
Page 17
... with an explanation of each indicator. This indicator is lit green when the switch is reception or transmission (i.e. They are located to indicate the ready state of the Switch include Power, Console, and Link/Act. D-Link DES-3250TG Standalone Layer 2 Switch LED Indicators The LED indicators of the device. ● Console - It will light green approximately 2 seconds...
... with an explanation of each indicator. This indicator is lit green when the switch is reception or transmission (i.e. They are located to indicate the ready state of the Switch include Power, Console, and Link/Act. D-Link DES-3250TG Standalone Layer 2 Switch LED Indicators The LED indicators of the device. ● Console - It will light green approximately 2 seconds...
Product Manual
Page 18
...Link DES-3250TG Standalone Layer 2 Switch 4 CONNECTING THE SWITCH This chapter describes how to connect the DES-3250TG to an End Node • The Link/Act LEDs in the top row for each UTP port light green when the link is valid. An end node can be connected to the Switch via a two-pair Category 5 UTP/STP cable. 10 Figure 4-1. Switch... to the Switch via...
...Link DES-3250TG Standalone Layer 2 Switch 4 CONNECTING THE SWITCH This chapter describes how to connect the DES-3250TG to an End Node • The Link/Act LEDs in the top row for each UTP port light green when the link is valid. An end node can be connected to the Switch via a two-pair Category 5 UTP/STP cable. 10 Figure 4-1. Switch... to the Switch via...
Product Manual
Page 19
Switch connected to a port on a hub or switch using a straight or crossover cable 10BASE-T Device For a 10BASE-T device, the Switch's LED indicators should display the following: ● Link/Act indicator is ON. 100BASE-TX Device For a 100BASE-TX device, the Switch's LED indicators should display the following: ● Link/Act is ON. 11 D-Link DES-3250TG Standalone Layer 2 Switch Figure 4-2.
Switch connected to a port on a hub or switch using a straight or crossover cable 10BASE-T Device For a 10BASE-T device, the Switch's LED indicators should display the following: ● Link/Act indicator is ON. 100BASE-TX Device For a 100BASE-TX device, the Switch's LED indicators should display the following: ● Link/Act is ON. 11 D-Link DES-3250TG Standalone Layer 2 Switch Figure 4-2.
Product Manual
Page 20
...232 serial console port on the front of the switch. The console port is automatically installed with Microsoft Windows) a to the RS-232 DCE console port of the Switch. D-Link DES-3250TG Standalone Layer 2 Switch 5 SWITCH MANAGEMENT AND OPERATING CONCEPTS This chapter discusses many of... the concepts and features used to manage the switch, as well as the concepts necessary for the following configuration: ...
...232 serial console port on the front of the switch. The console port is automatically installed with Microsoft Windows) a to the RS-232 DCE console port of the Switch. D-Link DES-3250TG Standalone Layer 2 Switch 5 SWITCH MANAGEMENT AND OPERATING CONCEPTS This chapter discusses many of... the concepts and features used to manage the switch, as well as the concepts necessary for the following configuration: ...
Product Manual
Page 21
... corresponding subnet mask. 2. You can be known. Where the x's represent the IP address to be found from the console program under the Switch Information menu item. This MAC address cannot be changed, and can also be assigned to the IP interface 13 Alternatively, you still don't ...the command line prompt local>, enter the commands config ipif System ipaddress xxx.xxx.xxx.xxx/yyy.yyy.yyy.yyy. Figure 5- 1. D-Link DES-3250TG Standalone Layer 2 Switch • Flow Control None Make sure the terminal or PC you are using to make sure the emulation is also assigned a unique MAC...
... corresponding subnet mask. 2. You can be known. Where the x's represent the IP address to be found from the console program under the Switch Information menu item. This MAC address cannot be changed, and can also be assigned to the IP interface 13 Alternatively, you still don't ...the command line prompt local>, enter the commands config ipif System ipaddress xxx.xxx.xxx.xxx/yyy.yyy.yyy.yyy. Figure 5- 1. D-Link DES-3250TG Standalone Layer 2 Switch • Flow Control None Make sure the terminal or PC you are using to make sure the emulation is also assigned a unique MAC...
Product Manual
Page 22
...Link DES-3250TG Standalone Layer 2 Switch named System and the z represents the corresponding number of the network. The Switch generates traps and sends them to avoid future failure or breakdown of network devices. Trap recipients are special users of the network who are trap types the switch ...• Collecting information about the status and current configuration of network devices. • Modifying the configuration of the network. The DES-3250TG has a software program called an 'agent' that processes SNMP requests, but the user program that both use the same community ...
...Link DES-3250TG Standalone Layer 2 Switch named System and the z represents the corresponding number of the network. The Switch generates traps and sends them to avoid future failure or breakdown of network devices. Trap recipients are special users of the network who are trap types the switch ...• Collecting information about the status and current configuration of network devices. • Modifying the configuration of the network. The DES-3250TG has a software program called an 'agent' that processes SNMP requests, but the user program that both use the same community ...
Product Manual
Page 23
...an extended Management Information Base. If your software provides functions to reconfigure the switch. • System Restart - This trap is sent whenever the link of a port changes from link up to link down or from link down to link up. • Save to factory default setting" has been processed. This...has been processed. • File Transfer Status Change - Read-write MIBs are the number of port and type of ports. D-Link DES-3250TG Standalone Layer 2 Switch from a factory reset in that have occurred, or how many kilobytes of data have been received and forwarded through a port.
...an extended Management Information Base. If your software provides functions to reconfigure the switch. • System Restart - This trap is sent whenever the link of a port changes from link up to link down or from link down to link up. • Save to factory default setting" has been processed. This...has been processed. • File Transfer Status Change - Read-write MIBs are the number of port and type of ports. D-Link DES-3250TG Standalone Layer 2 Switch from a factory reset in that have occurred, or how many kilobytes of data have been received and forwarded through a port.