Allied Telesis AT-FS750/24POE manuale d’uso

613-000556 Rev. D Fast Ethernet Smart Switch AT-FS750/24POE Installation Guide[...]

Copyright © 2008 Allied T elesis, Inc. All rights reserved. No part of this publication may be repr oduced withou t prior written permissi on from Allied Telesis, Inc. Allied Telesis is a trademark of Allied Telesis, Inc. Microsof t and Internet Explorer are registered trademarks of Microsoft Corporation. Netscape Navi gator is a registered tradem[...]

3 Electrical Safety and Emissions S tandards This product meets the following standards. RFI Emissions FCC Class A, EN55022 Cl ass A, CISPR Class A, C-TICK, CE Immunity EN55024 Electrical Safety EN60950-1 (TUV), UL 60950-1 ( C UL US ) U.S. Federal Communications Commission Radiated Energy Note: This equipment has been tested and found to comply wit[...]

4 T ranslated Safety S tatements Important: The  indicates that a translation of th e safety statement is available in a PDF document titled “Translated Safety St atements” ( 613-000405) posted on the Allied Telesis website at www.alliedtelesis.com.[...]

5 Contents Preface .............. .............. ................. ................. ................. ................. .............. ................ . ..... ................. ................. .......... 11 Safety Symbols Used in th is Docu ment........... ................. ................. ................. ................ ............. ....[...]

Contents 6 Physical Specifications .......................... ............ .. ................. ................. ................. ............. ............... ................. .................51 Environmental Specifications ...... ................. ................. ................. .............. ................ ............ .............. [...]

7 Figure 1: RJ-45 Connector and Port Pin Layout ......... ....................... ................. ................ .............. ... ......... ................... . 52 7 Figure 2: AT-FS750/24POE Front and Back Panels ........ ................. ................... .................... ................. ................. ......... 17 Figure 3: Sys[...]

Tables 8[...]

9 Ta b l e s Table 1. Safety Sy mbols ............. ................... ................. ................. ................. ................ ... ... ................. ................. .......... 12 Table 2. System LEDs ....... ................. ................. ................... ................. ................. ........... ................[...]

Tables 10[...]

11 Pr eface This guide provides the hardware installation in structions for your AT-FS750/24POE Fast Ethernet switch. This pref ace contains the following sections:  “Safety Symbols Used in this Document” o n page 12  “Where to Find W eb-based Guides” on page 13  “Contacting Allie d T elesis” on p age 14[...]

Preface 12 Safety Symbols Used in this Document This document uses the safety symbols defined in Table 1. T able 1. Safety Symbols Symbol Meaning Description Caution Performing or omi tting a specific action may result in equipment damage or loss of data. W arning Performing or omi tting a specific action may result in electrical shock.[...]

AT-FS750/24POE Fast Ethe rnet Smart Switch Instal lation Guide 13 Where to Find Web-based Guides The installation and user guides for all Allied Telesis products are available in portable document format (PDF) o n our web site at www.alliedtelesis.com . You can view the documents onlin e or download them onto a local workstation or server.[...]

Preface 14 Contacting Allied Telesis This section provides Allied Telesis contact information for technical support as well as sales or corporate informat ion. Online Support You can request technical sup port online by accessing the Allied Telesis Knowledge Base from the followin g web site: www.alliedtelesis.com/support . You can use the Knowledg[...]

15 Chapter 1 Overview The AT-FS750/24POE Fast Ethernet Smart switch is a La yer 2 Fast Ethernet switch designed to simplify the task of crea ting or expanding an Ethernet or Fast Ethernet netwo rk. This chapter contains the follo ws sections:  “Features” on page 16  “Front and Back Panels” on p age 17  “Ports” on p age 18  ?[...]

Chapter 1: Ove rview 16 Features The features of the AT-FS750/24POE Fast Ethernet Smart switch includ e:  LEDs for unit and port st atus  24 Auto-Negotiating 10/100Base-T twisted p air ports with RJ-45 connectors  T wo uplink combo ports (combinatio n of one 10/100/1000Base-T twisted pair po rt and one Gigabit small form-factor pluggable ([...]

AT-FS750/24POE Fast Ethe rnet Smart Switch Instal lation Guide 17 Front and Back Panels Figure 1 illustrates the front and b ack panels of the AT-FS750/24 POE Fast Ethernet Smart switch. Figure 1. AT-FS750/24POE Front and Back Panels 1088 A T-FS750/24POE 24 Port 10/100 Mbps WebSmart Switch with 2 Combo Uplinks + 12 POE Ports 2 3 4 5 6 7 8 9 10 12 1[...]

Chapter 1: Ove rview 18 Ports The AT-FS750/24POE Fast Ethernet Smart switch feature s 24 twisted pair ports and two uplink combo ports. Twisted Pair Ports The twisted pair ports feature 8-pi n RJ-45 connectors. (For the port pinouts, refer to “Connectors a nd Port Pinouts” on page 52.) The ports on the AT-FS750/24POE Fast Et hernet Smart switch[...]

AT-FS750/24POE Fast Ethe rnet Smart Switch Instal lation Guide 19 connected, the SFP port takes precedent over the twisted pair port.[...]

Chapter 1: Ove rview 20 LEDs The AT-FS750/24POE Fast Ethernet Smart switch provides the LEDs described in this section. System LEDs The switch has two system-level L EDs, Power and PoE, as shown in Figure 2 and described in Table 2. Figure 2. System LEDs 10/100Base-T POE Port LEDs Ports 1 through 12 each h ave three LEDs as shown in Figure 3 and de[...]

AT-FS750/24POE Fast Ethe rnet Smart Switch Instal lation Guide 21 . Figure 3. POE Port LEDs 10/100Base-T Non-POE Port LEDs Ports 13 through 24 each have two LEDs as shown in Figure 3 and described in Table 3 2 3 4 5 6 7 8 9 10 12 11 13 14 1 Table 3. 10/100Base-T POE Port L EDs LED State Description L/A Green A valid link has been established on the[...]

Chapter 1: Ove rview 22 . Figure 4. 10/100Base-T Non-PoE Port LEDs Uplink Combo Port LEDs The LEDs for the uplink combo ports, ports 25 and 26 , are shown in Figure 5 and described in Table 5. Figure 5. Uplink Combo Port LEDs Table 4. 10/100Base-T Non-PoE Po rt LEDs LED State Description L/A Green A valid link has been establishe d on the port. Bli[...]

AT-FS750/24POE Fast Ethe rnet Smart Switch Instal lation Guide 23 Table 5. Uplink Combo Port LEDs LED State Description L/A Green A valid link has been established on the port. Blinking Green The port is transmitting or receiving data. Off No link is established on the port . SPD Green A valid 1000 Mbps link is established between the uplink port a[...]

Chapter 1: Ove rview 24 Power Supply The switch has an internal power supply with a single AC power supply socket on the back panel which features autoswitch AC inputs. To power the switch on or off, connect or disconnect the power co rd provided with the switch. A power cord is supplied with the switch. Note For the power requirements, refer to ?[...]

AT-FS750/24POE Fast Ethe rnet Smart Switch Instal lation Guide 25 Power over Ethernet The twisted pair ports on the AT-FS750/24POE Fa st Ethernet Smart switch feature Power ove r Ethernet (PoE). PoE is a mechanism for supplying power to network devices over the same twisted pair cables used to carry network traffic. This f eature can simplify netwo[...]

Chapter 1: Ove rview 26 A port connected to a network node that is not a powered device (that is, a device that receives its power from another power source) functions as a regular Ethernet port, without PoE. The PoE feature remain s enabled on the port but no power is delivered to the d evice. Implementation A standard Ethernet twisted pair cable [...]

AT-FS750/24POE Fast Ethe rnet Smart Switch Instal lation Guide 27 Ethernet Switching Basics An Ethernet switch interconnects network devices, such as workstat ions, printers, routers, and other Ethernet switches, so that they can communicate with each other by sending and receiving Ethernet frames. MAC Address Table Every hardware device on your ne[...]

Chapter 1: Ove rview 28 end node can receive or transmit data, but not bo th simultaneously, the end node is operating in what is referred to as half- duplex mode. If an end node can both receive and transmit dat a simultaneously, the en d node is said to be operating in full-duplex mode. Naturally, an end node capable of operating in full-duplex c[...]

AT-FS750/24POE Fast Ethe rnet Smart Switch Instal lation Guide 29 data again, the switch stops forcing co llisions. This is referred to as back pressure. A port operating at 100 Mbps and full- d uplex mode uses PAUSE frames, as specified in the IEEE 802.3x stan dard, to stop the transmission of data from an end node. Whenever the switch wants an en[...]

Chapter 1: Ove rview 30 Network Topologies This section illustrates two network topo logies that you can create with the AT-FS750/24POE Fast Ethernet Smart switch: a p ower workgroup and collapsed backbone. Both types of topologie s are described below. Power Workgroup Topology The topology shown in Figure 6 is co mmonly referred to as a power work[...]

AT-FS750/24POE Fast Ethe rnet Smart Switch Instal lation Guide 31 Collapsed Backbone In the topology illustrated in Figure 7, an AT-94 24T/SP Gigabit Ethernet Switch forms the backbone that connects to serve rs and AT-FS750/ 24POE Fast Ethernet Smart switch es using Gigabit Ethernet uplinks. Th is type of topology is often referred to as a collapse[...]

Chapter 1: Ove rview 32[...]

33 Chapter 2 Installation This chapter contains the following sections:  “Reviewing Safety Precautions” on p age 34  “Selecting a Site for the Switch” on p age 36  “Cabling” on page 3 7  “Unpacking the Switch” on page 38  “Installing the Switch on a Desktop” on page 39  “Installing a Switch in a Rack” on pa[...]

Chapter 2: Inst allation 34 Reviewing Safety Precautions Please review the following safety pr ecautions before you begin to install the switch. Note The  indicates that a translation of the safety state ment is available in a PDF document titled “Tra nslated Safety Statements” (613-000405) on the Allied Telesis website a t www.alliedtelesis[...]

AT-FS750/24POE Fast Ethe rnet Smart Switch Instal lation Guide 35 Circuit Overloading: Consideratio n should be given to the connection of the equipment to the sup ply circuit and the ef fect that overloading of circuit s might have on overcurrent protectio n and supply wiring. Appropriate consideration of equipme nt nameplate ratings should be use[...]

Chapter 2: Inst allation 36 Selecting a Site for the Switch Observe the following requirements when choosing a site for your switch:  If you plan to inst all the switch in an equipment rack, ensure that the rack is safely secured and that it will not tip over . Devices in a rack should be insta lled starting at th e bottom, with the heavier devi[...]

AT-FS750/24POE Fast Ethe rnet Smart Switch Instal lation Guide 37 Cabling Table 7 contains the cabling specific atio ns for the twisted pair ports. Note The twisted pair ports on the switch fe ature auto-MDI when operating at 10, 100 or 1000 Mbps. Each port is individually configured as MDI or MDI-X when connected to an end node. Consequently, you [...]

Chapter 2: Inst allation 38 Unpacking the Switch To unpack the switch, perform the following p rocedure: 1. Remove all components from the shipping pa ckage. Note Store the packaging material in a sa fe location. You must use the original shipping material if you need to re turn the unit to Allied Telesis. 2. Place the switch on a level, secure sur[...]

AT-FS750/24POE Fast Ethe rnet Smart Switch Instal lation Guide 39 Installing the Switch o n a Desktop You can place the switch on a desktop or install them in a 19-inch rack. To install the switch in a rack, re fer to “Installing a Switch in a Rack” on page 40. To place the switch on a desktop, perform the f ollowing procedure: 1. Remove all eq[...]

Chapter 2: Inst allation 40 Installing a Switch in a Rack To install the switch in a rack, perform the following procedure: 1. If attached, remove the rubber feet u sing a flat-head screwdriver. 2. Install a bracket on one side of the switch using a Phillips screwdriver and three of the rack-mount screws included with the switch. Figure 9 shows how[...]

AT-FS750/24POE Fast Ethe rnet Smart Switch Instal lation Guide 41 W arning: T o prevent electric shock, do not remove the cover . No user-serviceable part s inside. This unit contains hazardous voltages and should on ly be opened by a trained and qualified technician. T o avoid the possibility of electric sho ck, disconnect electric power to the pr[...]

Chapter 2: Inst allation 42 If installed in a closed or multi-unit rack assemb ly , the operating ambient temperature of the rack environme nt may be greater than the room ambient temperat ure. Therefore, consideration should be given to inst alling the equipment in an environment compatible with the ma nufacturer ’s maximum rated ambient tempera[...]

AT-FS750/24POE Fast Ethe rnet Smart Switch Instal lation Guide 43 Installing an Optional SFP Transceiver The AT-FS750/24POE Fast Ethernet Smart switch has two SFP up link ports. To install an SFP transceive r, perform the following procedure: Note The transceiver can be hot-swapped; you do not need to power off the switch to install a transceiver. [...]

Chapter 2: Inst allation 44 4. Slide the SFP transceiver into an SFP slot on the switch , as shown in Figure 12. Figure 12. Inserting the SFP 5. Repeat steps 2 through 4 if you are installing another SFP transceiver. Note SFP transceivers are dust sensitive. Whe n a fiber optic cable is not installed, or when you store the SFP, always ke ep the plu[...]

AT-FS750/24POE Fast Ethe rnet Smart Switch Instal lation Guide 45 Cabling and Powering On the Switch Connecting the Twisted Pair Cables To connect the twisted cables to the RJ-45 ports on the AT-FS750/24POE Fast Ethernet Smart switch, perform the followin g procedure: 1. Plug the twisted pair data cables to t he RJ-45 ports on the switch, as shown [...]

Chapter 2: Inst allation 46 1. Remove the dust plug from t he SFP, as shown in Figure 14. Figure 14. Removing the Dust Plug from the SFP 2. Connect the fiber optic cable to the SFP port, as shown in Fig ure 15. Figure 15. Connecting the Fiber Optic Cable Powering On the Switch To power on the switch, perform the following procedure: 1. Plug the pow[...]

AT-FS750/24POE Fast Ethe rnet Smart Switch Instal lation Guide 47 Figure 16. Plugging in the AC Power Cord 2. Plug the other end of the power cord into a wall ou tlet. 3. Verify that the POWER LED is green. If the LED is OFF, refer to Chapter 3, “Troubleshooting” o n page 49. The switch is now powered on and rea dy for network operations. T o s[...]

Chapter 2: Inst allation 48 Starting a Management Session To start a management session on an AT-FS750 /24POE Fast Ethernet Smart switch, perform the following proce dure: 1. In a web browser address box, enter the following IP address: 192.168.1 .1 The main page for th e A T -S88 ma nagement software is shown in Figure 17. Figure 17. AT-S88 Manage[...]

49 Chapter 3 T r oubleshooting This chapter contains information on how to troubleshoot the switch in the event that a problem occurs. Note If you need further assistance, please contact Allie d Telesis Technical Support. Refer to “Conta cting Allied Telesis” on pa ge 14. Check the POWER LED on the front of the switch. If the LED is off, indica[...]

Chapter 3: Tro ubleshooting 50[...]

51 Appendix A T echnical Specifications Physical Specifications Dimensions: 444 mm x 322 mm x 43.5 mm (17.48 in x 12.67 in x 1.71 in) Weight: 4.133 kg (9.11 lbs) Environmental Specifications Operating Temperature: -0° C to 40° C (14° F to 122° F) Storage Temperature: -25° C to 70° C (-40° F to 158° F) Operating Humidity: 5% to 90% non-conde[...]

Appendix A: Technica l Specifications 52 Safety and Electromagnetic Emissions Certifications EMI/RFI: FCC Class A, EN55022 Class A, CISPR Class A, C-TICK, CE Immunity: EN55024 Electrical Safety: EN60950-1 (TUV), UL60950-1 ( c UL us) Connectors and Port Pinouts This section lists the connectors and connector pinout s for the AT-FS750/24POE Fast Ethe[...]

AT-FS750/24POE Fast Ethe rnet Smart Switch Instal lation Guide 53 Table 9 lists the RJ-45 port pin signal s when a twisted pair port is operating in the MDI-X configuration. T able 9. MDI-X Pin Sign als (10Base-T or 100Base-TX) Pin Signal 1R X + 2R X - 3T X + 6T X -[...]

Appendix A: Technica l Specifications 54[...]