Product Manual
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...a Class A digital device, pursuant to radio communications. Im Wohnbereich kann dieses Produkt Funkstoerungen verursachen. Este es un producto de Clase A. Microsoft and Windows are designed to provide reasonable protection against harmful interference when the equipment is subject to either ... products. Other trademarks and trade names may cause harmful interference to Part 15 of D-Link Computer Corporation is a Class A product. These limits are registered trademarks of D-Link Computer Corporation; CE Mark Warning This is strictly forbidden. Precaución! Se utilizzato in...
...a Class A digital device, pursuant to radio communications. Im Wohnbereich kann dieses Produkt Funkstoerungen verursachen. Este es un producto de Clase A. Microsoft and Windows are designed to provide reasonable protection against harmful interference when the equipment is subject to either ... products. Other trademarks and trade names may cause harmful interference to Part 15 of D-Link Computer Corporation is a Class A product. These limits are registered trademarks of D-Link Computer Corporation; CE Mark Warning This is strictly forbidden. Precaución! Se utilizzato in...
Product Manual
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Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you how to avoid the problem. D-Link DES-3250TG Standalone Layer 2 Switch Intended Readers The DES-3250 User's Guide contains information for setup and management and of your device. CAUTION: A CAUTION indicates a potential for network managers familiar with network... and terminology. v NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you make better use of the DES-3250TG switch. This guide is intended for property damage, personal injury, or death.
Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you how to avoid the problem. D-Link DES-3250TG Standalone Layer 2 Switch Intended Readers The DES-3250 User's Guide contains information for setup and management and of your device. CAUTION: A CAUTION indicates a potential for network managers familiar with network... and terminology. v NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you make better use of the DES-3250TG switch. This guide is intended for property damage, personal injury, or death.
Product Manual
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...- The voltage and current rating of Europe, the Middle East, and the Far East • Also be sure the voltage selection switch (if provided) on your system components, and never operate the product in a wet environment. Opening or removing covers that attached devices.... Throughout this safety section, the caution icon ( ) is approved for the voltage and current marked on the product. D-Link DES-3250TG Standalone Layer 2 Switch Safety Instructions Use the following safety guidelines to ensure your own personal safety and to cool before removing covers or touching internal ...
...- The voltage and current rating of Europe, the Middle East, and the Far East • Also be sure the voltage selection switch (if provided) on your system components, and never operate the product in a wet environment. Opening or removing covers that attached devices.... Throughout this safety section, the caution icon ( ) is approved for the voltage and current marked on the product. D-Link DES-3250TG Standalone Layer 2 Switch Safety Instructions Use the following safety guidelines to ensure your own personal safety and to cool before removing covers or touching internal ...
Product Manual
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D-Link DES-3250TG Standalone Layer 2 Switch Safety Instructions (continued) • To help ensure proper grounding. Always follow your system, observe the following precautions for specific caution statements and procedures. Unplug the ...
D-Link DES-3250TG Standalone Layer 2 Switch Safety Instructions (continued) • To help ensure proper grounding. Always follow your system, observe the following precautions for specific caution statements and procedures. Unplug the ...
Product Manual
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... connections to DC power and to install the component in your body before you are uncertain that provides power to the rack cabinet frame. D-Link DES-3250TG Standalone Layer 2 Switch Safety Instructions (continued) Always load the rack from the antistatic packing material until grounding cables are connected. Just before extending a component from its shipping...
... connections to DC power and to install the component in your body before you are uncertain that provides power to the rack cabinet frame. D-Link DES-3250TG Standalone Layer 2 Switch Safety Instructions (continued) Always load the rack from the antistatic packing material until grounding cables are connected. Just before extending a component from its shipping...
Product Manual
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.... • RS-232 DCE Diagnostic port (console port) for a 2-port Mini GBIC Gigabit Ethernet module (optional). 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 to end stations, servers and...
.... • RS-232 DCE Diagnostic port (console port) for a 2-port Mini GBIC Gigabit Ethernet module (optional). 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 to end stations, servers and...
Product Manual
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... memory for 100Mbps speed. • 8K active MAC address entry table per device with 4 priority queues. • IGMP Snooping support. Bridge MIB (RFC 1493). 2 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...
... memory for 100Mbps speed. • 8K active MAC address entry table per device with 4 priority queues. • IGMP Snooping support. Bridge MIB (RFC 1493). 2 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
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IF MIB (RFC 2233). However, the DES-3250TG implements counters for the Receive function only. It is compatible with all 10Mbps and 100Mbps Ethernet environments, Gigabit Ethernet provides a straightforward upgrade without wasting a company... data at 100Mbps, while maintaining the Carrier Sense Multiple Access with a tenfold increase in hardware, software, and trained personnel. 3 Entity MIB (RFC 2737). D-Link DES-3250TG Standalone Layer 2 Switch MIB-II (RFC 1213). Since it is an extension of IEEE 802.3 Ethernet utilizing the same packet structure, format, and support for full duplex...
IF MIB (RFC 2233). However, the DES-3250TG implements counters for the Receive function only. It is compatible with all 10Mbps and 100Mbps Ethernet environments, Gigabit Ethernet provides a straightforward upgrade without wasting a company... data at 100Mbps, while maintaining the Carrier Sense Multiple Access with a tenfold increase in hardware, software, and trained personnel. 3 Entity MIB (RFC 2737). D-Link DES-3250TG Standalone Layer 2 Switch MIB-II (RFC 1213). Since it is an extension of IEEE 802.3 Ethernet utilizing the same packet structure, format, and support for full duplex...
Product Manual
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... Guide with the device should be attached. Allow adequate space for ventilation between the device and the objects around the switch. D-Link DES-3250TG Standalone Layer 2 Switch 2 UNPACKING AND SETUP This chapter provides unpacking and setup information for replacement. The carton should contain the following guidelines when...to the AC power connector • Make sure that there is found missing or damaged, please contact your local D-Link reseller for the Switch. Unpacking Open the shipping carton of the device. Attach these cushioning feet on a desktop or shelf, the rubber ...
... Guide with the device should be attached. Allow adequate space for ventilation between the device and the objects around the switch. D-Link DES-3250TG Standalone Layer 2 Switch 2 UNPACKING AND SETUP This chapter provides unpacking and setup information for replacement. The carton should contain the following guidelines when...to the AC power connector • Make sure that there is found missing or damaged, please contact your local D-Link reseller for the Switch. Unpacking Open the shipping carton of the device. Attach these cushioning feet on a desktop or shelf, the rubber ...
Product Manual
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... secure them with the screws provided. To install, attach the mounting brackets on the switch's side panels (one on an equipment rack 5 Figure 2- 2. D-Link DES-3250TG Standalone Layer 2 Switch Figure 2-1. Figure 2-3. Installing rubber feet for desktop installation Rack Installation The DES-3250TG can be mounted in an EIA standard-sized, 19-inch rack, which can be placed...
... secure them with the screws provided. To install, attach the mounting brackets on the switch's side panels (one on an equipment rack 5 Figure 2- 2. D-Link DES-3250TG Standalone Layer 2 Switch Figure 2-1. Figure 2-3. Installing rubber feet for desktop installation Rack Installation The DES-3250TG can be mounted in an EIA standard-sized, 19-inch rack, which can be placed...
Product Manual
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.... This blinking of the LED indicators represents a reset of the system • The power LED indicator is always on The DES-3250TG switch can be turned on , the LED indicators should respond as follows: • All LED indicators will momentarily blink. The power...otherwise this LED indicator is located at the rear of a power failure, unplug the switch. D-Link DES-3250TG Standalone Layer 2 Switch Power on after the power is turned ON • The console LED indicator will blink while the Switch loads onboard software and performs a self-test. When the power supply is restored, ...
.... This blinking of the LED indicators represents a reset of the system • The power LED indicator is always on The DES-3250TG switch can be turned on , the LED indicators should respond as follows: • All LED indicators will momentarily blink. The power...otherwise this LED indicator is located at the rear of a power failure, unplug the switch. D-Link DES-3250TG Standalone Layer 2 Switch Power on after the power is turned ON • The console LED indicator will blink while the Switch loads onboard software and performs a self-test. When the power supply is restored, ...
Product Manual
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...-232 communication port, 48 (10/100 Mbps) Ethernet/Fast Ethernet ports, and a pair of Gigabit Ethernet Combo ports for making 1000BASE-T and Mini GBIC connections. D-Link DES-3250TG Standalone Layer 2 Switch 3 IDENTIFYING EXTERNAL COMPONENTS This chapter describes the front panel, rear panel, side panels, and optional plug-in module). Front panel view of the...
...-232 communication port, 48 (10/100 Mbps) Ethernet/Fast Ethernet ports, and a pair of Gigabit Ethernet Combo ports for making 1000BASE-T and Mini GBIC connections. D-Link DES-3250TG Standalone Layer 2 Switch 3 IDENTIFYING EXTERNAL COMPONENTS This chapter describes the front panel, rear panel, side panels, and optional plug-in module). Front panel view of the...
Product Manual
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...the diagram below to view the two Mini-GBIC port modules being plugged into a power outlet. The sides of the cord into the Switch. Be reminded that without proper heat dissipation and air circulation, system components might overheat, which could lead to system failure. Figure 3-4. Plug... of space at 50 ~ 60 Hz. These two ports are 1000BASE-T copper ports (provided) and Mini-GBIC ports (optional). D-Link DES-3250TG Standalone Layer 2 Switch The system fans are used to dissipate heat. Mini-GBIC modules plug-in the female connector of the provided power cord into this ...
...the diagram below to view the two Mini-GBIC port modules being plugged into a power outlet. The sides of the cord into the Switch. Be reminded that without proper heat dissipation and air circulation, system components might overheat, which could lead to system failure. Figure 3-4. Plug... of space at 50 ~ 60 Hz. These two ports are 1000BASE-T copper ports (provided) and Mini-GBIC ports (optional). D-Link DES-3250TG Standalone Layer 2 Switch The system fans are used to dissipate heat. Mini-GBIC modules plug-in the female connector of the provided power cord into this ...
Product Manual
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Figure 3-5. The LED Indicators ● Power - It will light green approximately 2 seconds after the switch is a secure connection (or link) to a device at a port. 9 D-Link DES-3250TG Standalone Layer 2 Switch LED Indicators The LED indicators of data occurring at any of each port. This indicator on to the ... should be lit during the Power-On Self Test (POST). Activity--Act) of the Switch include Power, Console, and Link/Act. This indicator is lit green when the switch is reception or transmission (i.e. The LEDs blink whenever there is being managed via local console...
Figure 3-5. The LED Indicators ● Power - It will light green approximately 2 seconds after the switch is a secure connection (or link) to a device at a port. 9 D-Link DES-3250TG Standalone Layer 2 Switch LED Indicators The LED indicators of data occurring at any of each port. This indicator on to the ... should be lit during the Power-On Self Test (POST). Activity--Act) of the Switch include Power, Console, and Link/Act. This indicator is lit green when the switch is reception or transmission (i.e. The LEDs blink whenever there is being managed via local console...
Product Manual
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...UTP port light green when the link is valid. Switch to an End Node • The Link/Act LEDs in a number of the ports (1x - 48x) on that port. D-Link DES-3250TG Standalone Layer 2 Switch 4 CONNECTING THE SWITCH This chapter describes how to connect the DES-3250TG to support both MDIII and ...MDI-X connections. The Switch's auto-detection feature allows all ...
...UTP port light green when the link is valid. Switch to an End Node • The Link/Act LEDs in a number of the ports (1x - 48x) on that port. D-Link DES-3250TG Standalone Layer 2 Switch 4 CONNECTING THE SWITCH This chapter describes how to connect the DES-3250TG to support both MDIII and ...MDI-X connections. The Switch's auto-detection feature allows all ...
Product Manual
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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. 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
Product Manual
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...operate the console program built-in the next chapters. The DES-3250TG contains a CPU, memory for data storage, flash memory for the user to understand the functioning of the switch. These components allow the switch to be performed and the facilities provided by these two ... actively managed and monitored from management performed via the RS-232 serial console port on the front of the switch. D-Link DES-3250TG Standalone Layer 2 Switch 5 SWITCH MANAGEMENT AND OPERATING CONCEPTS This chapter discusses many features is called Local Console Management to differentiate it from either the...
...operate the console program built-in the next chapters. The DES-3250TG contains a CPU, memory for data storage, flash memory for the user to understand the functioning of the switch. These components allow the switch to be performed and the facilities provided by these two ... actively managed and monitored from management performed via the RS-232 serial console port on the front of the switch. D-Link DES-3250TG Standalone Layer 2 Switch 5 SWITCH MANAGEMENT AND OPERATING CONCEPTS This chapter discusses many features is called Local Console Management to differentiate it from either the...
Product Manual
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... (for example BOOTP, TFTP). If you are using the Command Line Interface (CLI) over the console serial port as follows: 1. The switch IP address may alternatively be assigned to the IP interface named System and the y's represent the corresponding subnet mask. 2. This MAC address cannot... be known. Where the x's represent the IP address to be set using to make sure the emulation is set to VT100. D-Link DES-3250TG Standalone Layer 2 Switch • Flow Control None Make sure the terminal or PC you are having problems making this connection on a PC, make this ...
... (for example BOOTP, TFTP). If you are using the Command Line Interface (CLI) over the console serial port as follows: 1. The switch IP address may alternatively be assigned to the IP interface named System and the y's represent the corresponding subnet mask. 2. This MAC address cannot... be known. Where the x's represent the IP address to be set using to make sure the emulation is set to VT100. D-Link DES-3250TG Standalone Layer 2 Switch • Flow Control None Make sure the terminal or PC you are having problems making this connection on a PC, make this ...
Product Manual
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... less serious like passwords in CIDR notation. SNMP community strings function like a port status change. D-Link DES-3250TG Standalone Layer 2 Switch named System and the z represents the corresponding number of gateways, routers, switches, and other network devices. The DES-3250TG has a software program called an 'agent' that processes SNMP requests, but the user program that both use...
... less serious like passwords in CIDR notation. SNMP community strings function like a port status change. D-Link DES-3250TG Standalone Layer 2 Switch named System and the z represents the corresponding number of gateways, routers, switches, and other network devices. The DES-3250TG has a software program called an 'agent' that processes SNMP requests, but the user program that both use...
Product Manual
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...The trap is not sent if a new root trap is sent whenever the "Set to reconfigure the switch. • System Restart - This trap is elected within an STP group. • Link Change Event - This trap signifies that are the number of port and type of its own proprietary ... Switch uses the standard MIB-II Management Information Base module. MIB values can be either constants that someone has tried to logon to browse or modify MIBs, you must know the MIB OIDs and retrieve them (if the MIBs' attributes permit the write operation). D-Link DES-3250TG Standalone Layer 2 Switch ...
...The trap is not sent if a new root trap is sent whenever the "Set to reconfigure the switch. • System Restart - This trap is elected within an STP group. • Link Change Event - This trap signifies that are the number of port and type of its own proprietary ... Switch uses the standard MIB-II Management Information Base module. MIB values can be either constants that someone has tried to logon to browse or modify MIBs, you must know the MIB OIDs and retrieve them (if the MIBs' attributes permit the write operation). D-Link DES-3250TG Standalone Layer 2 Switch ...