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DSS-24 Auto Negotiation Switch User’s

Guide

Rev. 02 (Oct, 2004)

651DS24..K15

Summary of Contents for DSS-24+

Page 1: ...i DSS 24 Auto Negotiation Switch User s Guide Rev 02 Oct 2004 651DS24 K15 ...

Page 2: ...rned to D Link pursuant to this warranty Any package returned to D Link without an RMA number will be rejected and shipped back to you at your expense and D Link reserves the right in such case to levy a reasonable handling charge in addition to mailing or shipping costs Software Warranty service for software products may be obtained by contacting a D Link office within the applicable warranty per...

Page 3: ...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 Systems Inc as stipulated by the United States Copyright Act of 1976 FCC Warning This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the ...

Page 4: ...e sich am Geräten befinden sind zu beachten Wird das Gerät über einen längeren Zeitraum nicht benutzt sollten Sie es vom Stromnetz trennen Somit wird im Falle einer Überspannung eine Beschädigung vermieden Durch die Lüftungsöffnungen dürfen niemals Gegenstände oder Flüssigkeiten in das Gerät gelangen Dies könnte einen Brand bzw Elektrischen Schlag auslösen Öffnen Sie niemals das Gerät Das Gerät da...

Page 5: ...TALLING THE DSS 24 6 UNPACKING THE DSS 24 6 INSTALLATION OPTIONS 7 Desktop Shelf Installation 7 Rack Installation 9 POWER ON 11 3 12 NETWORK CONNECTIONS 12 CABLE SPECIFICATIONS 12 Copper Cable 12 PORTS 15 RS 232 Port 15 MDI II Uplink Port 15 MDI X Ports 15 4 16 LEDS 16 5 18 MANAGING THE DSS 24 18 PANEL CONVENTIONS 19 PANELS 20 CONFIGURATION EXAMPLES 21 6 23 TROUBLESHOOTING 23 ...

Page 6: ...vi APPENDIX A 25 DSS 24 TECHNICAL SPECIFICATIONS 25 Switch Specifications 25 Port Specifications 25 INDEX 29 ...

Page 7: ... to other sources for information about networking in general All the information you need to install the DSS 24 is contained in this user guide Organization Chapter 1 Introduction gives and physical a functional overview of the DSS 24 Features LED panel and management settings are covered Chapter 2 Installing the DSS 24 covers installing and powering on the DSS 24 Chapter 3 Connecting the DSS 24 ...

Page 8: ...ummary of Features Explanation of Front and Rear Panels Management Features The DSS 24 has the following features 24 NWAY 10 100 TX Fast Ethernet Ports All ports support both Full Duplex and Half Duplex operation and are configurable with polarity detection and correcting Wire speed packet filtering and forwarding Per port LED to indicate link activity speed and operation modes Configuration data ...

Page 9: ... on the front Each of the ports can be used for network connection The MDI II Uplink port and port 1 are connected You cannot use both ports simultaneously The MDI II port is used to connect to switches and hubs that do not have uplink ports Figure 1 DSS 24 Front Panel Link Collision 100 Mbps 10 Mbps 13 17 21 14 18 22 15 19 23 Link Collision 100 Mbps 10 Mbps 1 2 3 4 5 6 7 9 10 11 12 Power DSS 24 D...

Page 10: ...s The fans and the heat vents help to cool the DSS 24 Always leave two inches of space around the DSS 24 for air circulation Figure 2 Side Panel Rear Panel The three pronged power plug female RS 232 Console port and rear fan are located at the rear of the DSS 24 shown in Figure 3 During installation leave enough room to allow you to plug in the power cable and attach the RS 232 cable for Local Con...

Page 11: ...aged switch The only management options are setting port speed and duplex mode and enabling and disabling flow control The only way of changing the default settings is through a physical connection with an RS 232 cable The DSS 24 does not have an IP address It can not be monitored using SNMP and RMON ...

Page 12: ...d carefully unpack the DSS 24 You should have all the items on the following checklist DSS 24 10 100 Auto Negotiation Switch RS 232 DCE serial cable Two mounting brackets and six screws Four rubber pads with adhesive backing One 1 82 m 6 foot power cord CD Manual with registration card If any items are missing contact the retailer where you purchased the DSS 24 for assistance Be sure to register t...

Page 13: ... as needed RJ 45 connectors as needed Desktop Shelf Installation The dimensions of the DSS 24 are 441 mm 17 44 inches x 235 mm 9 25 inches 63 mm 2 44 inches The measurements include the 8 mm 31 inch rubber feet Follow these guidelines for desktop shelf installation or rack installation The surface must support 3 kg 6 6 lbs The power source must be within 1 82 m 6 feet Power cord and cables should ...

Page 14: ...DSS 24 10 100 Auto Negotiation Switch User s Guide Installing the DSS 16 and DSS 24 8 Figure 4 Install Feet on Bottom Figure 5 Attach Feet ...

Page 15: ...nches 1 25 U DSS 24 can be placed in a wiring closet along with other equipment Follow these steps to install the DSS 24 on a rack 1 Attach a mounting bracket to each side of the DSS 24 with the screws provided see Figure 6 2 Slide the DSS 24 into the rack and use the screws provided to secure the DSS 24 to the rack see Figure 7 3 Connect the power cord and verify that the DSS 24 is receiving adeq...

Page 16: ...DSS 24 10 100 Auto Negotiation Switch User s Guide Installing the DSS 16 and DSS 24 10 Figure 7 Insert into Rack ...

Page 17: ...There is no on off switch The DSS 24 powers on when you plug the power cord into the three pronged power connector The Power LED will light when the DSS 24 is powered on All ports will automatically negotiate the proper speed and duplex mode Reboot the DSS 24 if there is a problem Contact D Link Systems Inc for technical support After a power failure it may be necessary to reconfigure any ports th...

Page 18: ...per Cable In order for Ethernet or Fast Ethernet to work the wires must be arranged correctly inside the RJ 45 connector The most common problem on Ethernet or Fast Ethernet networks is the cable If you migrate from Ethernet to Fast Ethernet make sure the cables are pinned out properly There are two types of cables straight through and crossover Category 3 4 and 5 UTP STP cable has eight wires ins...

Page 19: ...gotiation Switch User s Guide Network Connections 13 Table 1 Cable Specifications Ethernet Type Cable Requirements Maximum Length 10BASE T Category 3 4 5 UTP or STP 100 m 328 feet 100 TX Category 5 UTP or STP 100 m 328 feet ...

Page 20: ...DSS 24 10 100 Auto Negotiation Switch User s Guide Network Connections 14 Figure 8 Cable Diagram ...

Page 21: ...rossover cable when connecting another switch or other device that requires a crossover connection to the DSS 24 Follow these steps to connect a device to the MDI II Uplink port 1 Plug one end of a cable into the uplink port 2 Plug the other end into any port except an uplink port on the other device MDI X Ports The remaining ports are crossover ports The pin arrangement is the same as the arrange...

Page 22: ... powered on The purpose is to confirm that the DSS 24 is getting adequate power The power LED is green when the DSS 24 is powered on and dark when it is powered off Link Act Collision Solid green indicates the port is linked up Dark off indicates there is no link at the port Flashing green indicates there is activity transmitting or receiving at the port Flashing yellow indicates collisions are oc...

Page 23: ...low Link Act Collision No Link Link Up but No Activity Transmitting or Receiving Collisions are occurring 100Mbps 10Mbps Port is running at 10Mbps Port is running at 100Mbps Not applicable Not applicable Link Collision 100Mbps 10Mbps 13 17 21 14 18 22 15 19 23 Link Collision 100Mbps 10Mbps 1 2 3 4 5 6 7 9 10 11 12 Power Power Link Act Collision 100Mbps 10Mbps ...

Page 24: ...nd of an RS 232 serial cable to the RS 232 serial port located at the rear 2 Attach the other end to the serial port of a workstation or laptop 3 Run a terminal or terminal emulation application using the following settings Emulation VT 100 ANSI compatible BPS 19 200 Data bits 8 Parity None Stop bits 1 Flow Control None Enable Terminal keys 4 Power the DSS 24 on after the connection is established...

Page 25: ...s can be used to select items The Spacebar is used to toggle to different settings The Backspace key allows you to move backwards through the panels Control R refreshes the panel NEXT takes you forward to the next panel PREV takes you back to the previous panel SAVE saves your changes If settings have been modified changes take effect EXIT ends the management session ...

Page 26: ...d simultaneously 10 Half indicates the port is transmitting and receiving data at 10 Mbps in half duplex 10 Full indicates the port is transmitting and receiving data at 10 Mbps in full duplex 100 Half indicates the port is transmitting and receiving data at 100 Mbps in half duplex 100 Full indicates the port is transmitting and receiving data at 100 Mbps in full duplex Flow Control The Flow Contr...

Page 27: ...settings displayed on your switch may be different Remember that the DSS 24 is an unmanaged switch The DSS 24 can be connected to the network with no configuration and it will automatically negotiate all speed and duplex settings Changes should only be made for specific reasons The first panel you see when logging in is displayed in Figure 10 The Link Status is Link Down because no network connect...

Page 28: ... in Figure 11 No further configuration is necessary Figure 11 Auto Negotiation The speed and duplex mode on port 1 has been manually set Flow Control was automatically disabled when the Physical setting was changed from auto negotiation to forced mode displayed in Figure 12 On port two Flow Control has been manually set to Disabled by toggling the space bar Figure 12 DSS 24 Flow Control Disabled ...

Page 29: ...oper speed and duplex mode Ports in forced mode have been manually set to a particular speed and duplex mode Check the LEDs on the DSS 24 to verify settings The port settings on the DSS 24 and the port settings on the device you are connecting to must be the same in order for them to communicate Check the speed and duplex setting on both the port and the device you are connecting to Power LED is O...

Page 30: ...ault value is that all ports auto negotiate the proper speed and duplex mode If the port has been manually configured for a particular speed and duplex mode verify that the speed and duplex mode of the port match the speed and duplex mode of the device you are connecting to ...

Page 31: ...duplex signaling and auto configuration IEEE 802 3x compliant Full Duplex Flow Control 8K maximum entries for MAC address table Comprehensive LED indicators display of the system port status RS 232 DB 9 port provided access for port asynchronous 8 bit data 1 stop bit no parity 19 2 K baud Rack mountable Fits standard 1 5 U EIA 19 rack 24 10 100 TX ports Port Specifications RJ 45 ports for Cat 3 4 ...

Page 32: ... types Transparent IEEE 802 3 MAC layer frame size 64 1518 Protocol CSMA CD Full Duplex Data Transfer Rate Fast Ethernet 100 Mbps half duplex 200 Mbps full duplex Topology Star Network Cables 10BASE T 2 pair UTP Cat 3 100 m 4 pair UTP Cat 4 5 100 m EIA TIA 568 150 ohm STP 100 m 100 TX 4 pair UTP Cat 5 100 m EIA TIA 568B 150 ohm STP 100 m Number of Ports depending on model 24 x 10 100 Mbps NWAY Eth...

Page 33: ...ximum Power Consumption 33 watts DC fans 2 built in 40 x 40 mm fans Operating Temperature 0 50 degrees Celsius Storage Temperature 25 70 degrees Celsius Humidity 5 95 non condensing Dimensions 441 x 235 x 55 mm 1 25 U 19 inch rack mount width Weight 3 kg 6 6 lbs EMI FCC Class A CE Mark Class A VCCI Class A C Tick Safety UL UL 1950 CSA CSA950 TUV GS EN60950 ...

Page 34: ... Switch User s Guide Appendix A 28 Performance Transmission Method Store and Forward RAM Buffer 1 5 M bytes per device Filtering Address Table 8 K entries per device Packet Filtering Forwarding Rate 148810 pps per port for 100 Mbps ...

Page 35: ...tures 2 Flow Control 20 front panel 3 I installation 7 L link 16 Link Status 20 M management 5 MDI X port 15 P Panel Conventions 19 Panels 20 Physical 20 Port 20 ports 15 power 16 R rear panel 4 RS 232 port 15 RS 232 port settings 18 S side panels 4 U unpacking 6 Uplink port 15 ...

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