User manual D-LINK DSS-24-

[. . . ] 02 (Oct, 2004) 651DS24. . K15 i 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 Complete Products Spare parts and spare kits Warranty Period One year 90 days Your dealer, or your nearest D-Link office, can advise whether a longer period of warranty applies to your purchase, and if so, can provide you a separate certificate of supplemental warranty. The one-year period of warranty on complete products (or such longer period of warranty as may be offered as to your purchase) applies on condition that the product's Registration Card is filled out and returned to a D-Link office within ninety (90) days of purchase. A list of DLink offices is provided at the back of this manual, together with a copy of the Registration Card. [. . . ] Many of the topics covered will be dealt with in more detail later in the manual. The topics covered are: · Summary 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. Configuration data held in EEPROM, controlled by an embedded micro-controller. Integrated address management, including Layer-2 address resolution, self learning Supports up to 8K unicast addresses. Packet forwarding rate at 148, 810 packets per second in 100 Mbps Introduction 2 DSS-24 10/100 Auto Negotiation Switch User's Guide Front Panel The DSS-24 is designed for management at a glance. The LEDs on the front panel of the DSS-24 allow you to monitor performance at a glance. It is not necessary to connect to the DSS-24 in order to check performance or verify that a port is working. The MDI-II port is used to connect to switches and hubs that do not have uplink ports. Power DSS-24 Power Link/ Act/ Collision LEDS MDI-II Uplink Port MDI-X Ports 10/100 Fast Ethernet Switch 1 2 3 4 5 6 7 9 10 11 12 Switch II Link/ 100 Mbps/ Collision 10 Mbps Link/ 100 Mbps/ Collision 13 14 15 17 18 19 21 22 23 10 Mbps D-Link 17x 18x 19x 20x 21x 22x 23x 24x 100Mbps/10Mbps Figure 1: DSS-24 Front Panel Introduction 3 DSS-24 10/100 Auto Negotiation Switch User's Guide Side Panel There are two fans. The three holes on each side of the DSS-24 are used to attach the mounting brackets. Always leave two inches of space around the DSS24 for air circulation. 40 mm Fan 40 mm Fan 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 Console Management. RS-232 Port Fan Power Connector Figure 3: Rear View Introduction 4 DSS-24 10/100 Auto Negotiation Switch User's Guide Management The DSS-24 is an unmanaged 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 RS232 cable. It can not be monitored using SNMP and RMON. Introduction 5 DSS-24 10/100 Auto Negotiation Switch User's Guide 2 Installing the DSS-24 This chapter covers the following: · Unpacking the DSS-24 · Installation options and instructions · Powering on the DSS-24 Unpacking the DSS-24 Open the box and 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. Failure to register may void the warranty. Installing the DSS-16 and DSS-24 6 DSS-24 10/100 Auto Negotiation Switch User's Guide Installation Options There are two options for installing the DSS-24: desktop/shelf installation or rack installation. The following tools and materials may be necessary to install the DSS-24: · Screwdriver to install the brackets 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). Follow these guidelines for desktop/shelf installation or rack installation: · The surface must support 3 kg (6. 6 lbs). · Leave at least 5 cm (two inches) around the DSS-24 for ventilation. [. . . ] On port two, Flow Control has been manually set to Disabled by toggling the space bar. Figure 12: DSS-24 Flow Control Disabled Managing the DSS-24 22 DSS-24 10/100 Auto Negotiation Switch User's Guide 6 Troubleshooting This troubleshooting section is intended to help you solve the most common problems on the DSS-24. Problem Cables Solution Faulty cable is the most common source of problems on Ethernet and Fast Ethernet networks. Check the cable first if you are having any problems connecting to a device. If you are moving from Ethernet to Fast Ethernet, make sure the cables are pinned out correctly. [. . . ]