Allied Telesis FS750/24 manuale d’uso

613-000354 Rev. B Fast Ethernet Smart Switches AT-FS750/16 AT-FS750/24 Installation Guide[...]

Copyright © 2007 Allied Telesis, Inc. All rights reserved. No part o f this pub lication may be repro duced without prior wr itten permission from Al lied Telesis, Inc. Allied Telesis and the Allied Telesis logo are trademarks of Allied Tele sis, Incorporated. All othe r product names, company nam es, logos or other designations mentioned herein a[...]

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 (TUV), UL 60950 ( C UL US ) U.S. Federal Communications Commission Radiated Energy Note: This equipment has been tested and found to comply with th[...]

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 a t www.alliedtelesis.com.[...]

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

Contents 6[...]

7 Figure 1. AT-FS750/16 and AT- FS750/24 Front Panels ..................... .............. .............. .............. ............. ....................... . 17 Figure 2. AT-FS750/16 and AT-FS75 0/24 Back Panels ..... ................. .............. ........... ........... ........... ........ ............ ........... . 17 Figure 3. AT-FS750/16[...]

Figures 8[...]

9 Table 1. Safety Sy mbols ..................... .............. ........... .............. ........... .............. ............ ..... ......... .............. ........... ........... .. 12 Table 2. System LEDs .......... .............. ........... .............. ........... .............. ............ .............. ..... .......................[...]

Tables 10[...]

11 Pr eface This guide contains installation instruct ions for the AT-FS750/16 and AT-FS750/24 Fast Ethernet Smart Switch es. This preface contain s the following sections:  “Safety Symbols Used in this Document” o n page 12  “Where to Find W eb-based Guides” on p age 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-FS750/16 and AT-FS75 0/24 Fast Ethernet Smart Switches Installation 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 se[...]

Preface 14 Contacting Allied Telesis This section provides Allied Telesis contact information for technical support as well as sales and corporate information . Online Support You can request technical sup port online by accessing t he Allied Telesis Knowledge Base: www.alliedteles is.com/support/kb.aspx . You can use the Knowledge Base to submit q[...]

15 Chapter 1 Overview This chapter describes the AT-FS750/ 1 6 and AT-FS750/24 Layer 2 Fast Ethernet Smart Switches. The se ctions in the chapter are:  “Features” on page 16  “Front and Back Panels” on p age 17  “Ports” on p age 18  “LEDs” on page 19  “Power Supply” on p age 21  “Network T opologies” on pag[...]

Chapter 1: Ove rview 16 Features The features of the AT-FS750/16 and AT-FS7 50/24 Fast Ethernet Smart Switches inclu de:  LEDs for unit and port st atus  16 or 24 Auto-Negotiating 10/100Base-T twisted p air ports wit h RJ-45 connectors  T wo pairs of uplink combo p orts, with each p air consisting of one 10/100/1000Base-T twisted pair port[...]

AT-FS750/16 and AT-FS75 0/24 Fast Ethernet Smart Switches Installation Guide 17 Front and Back Panels Figure 1 illustrates the front panels of the AT-FS750/16 and AT-FS750/24 Fast Ethernet Smart Switches. Figure 1. AT-FS750/16 and AT-FS750/24 Front Panels Figure 2 illustrates the back panel o f the AT-FS750/16 and AT-FS75 0/24 Fast Ethernet Smart S[...]

Chapter 1: Ove rview 18 Ports The AT-FS750/16 and AT-FS750/24 Fast Ethernet Sma rt Switches feature 16 or 24 twisted pair ports and two pairs of uplink combo ports. Twisted Pair Ports The twisted pair ports are 10Base-T and 100Base-TX complian t. They automatically set their speed and dup lex mode with IEEE 802.3u Auto- Negotiation. If desired, you[...]

AT-FS750/16 and AT-FS75 0/24 Fast Ethernet Smart Switches Installation Guide 19 LEDs The LEDs shown in Figure 3 display system and po rt status information. Figure 3. AT-FS750/16 and FS75 0/24 System and Port LEDs Table 2 describes the system LEDs. Table 2. System LEDs LED State Description POWER Off The switch is not receiving power. On The switch[...]

Chapter 1: Ove rview 20 Each of the 10/100Base-TX ports has two LEDs, described in Table 3. Table 4 describes the LEDs for the uplink combo ports. Table 3. 10/100Base-TX Port LEDs LED State Description SPEED On The port is oper ating at 100 Mbps. Off The port is operating at 10 Mbps or it has not established a link to an end node. LINK/ACT Green Th[...]

AT-FS750/16 and AT-FS75 0/24 Fast Ethernet Smart Switches Installation Guide 21 Power Supply The switches have an internal power supply with a single AC power supply socket featuring autoswitch AC inputs on the back p anel. To power the switch on or off, connect or disconnect the power cord provided with the switch. A power cord is supplied with th[...]

Chapter 1: Ove rview 22 Network Topologies This section illustrates two network topologies of the AT-FS750/16 a nd AT-FS750/24 Fast Ethernet Smart Sw itches: a po wer workgroup and collapsed backbone. Power Workgroup Topology The topology shown in Figure 4 is co mmonly referred to as a power workgroup. This topology pro vides th e best in performan[...]

AT-FS750/16 and AT-FS75 0/24 Fast Ethernet Smart Switches Installation Guide 23 Collapsed Backbone In the topology shown in Figure 5 the AT-FS750 /16 Switch is connected to other managed and unmana ged Ethernet switches to form a collapsed backbone topology. The AT-FS750/1 6 Switch functions as the focal point of the network by transferrin g Ethern[...]

Chapter 1: Ove rview 24[...]

25 Chapter 2 Installation This chapter contains the following sections:  “Reviewing Safety Precautions” on p age 26  “Selecting a Site for the Switch” on p age 28  “Cable S pecifications” on page 29  “Unpacking the Switch” on page 30  “Installing the Switch on a Desktop” on p age 31  “Installing the Switch in[...]

Chapter 2: Inst allation 26 Reviewing Safety Precautions Please review the following safety pr ecautions before you begin to install the chassis or any of its components. Note The  indicates that a translation of the safety state ment is available in a PDF document titled “Tra nslated Safety Statements” (613-000405) posted on the Allied Te l[...]

AT-FS750/16 and AT-FS75 0/24 Fast Ethernet Smart Switches Installation Guide 27 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 over current protection and supply wiring. Appropriate consideration of equipme nt nameplate ratings[...]

Chapter 2: Inst allation 28 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 th e rack is safely secured and that it will not tip over . Devices in a rack should be insta lled st arting at the bottom, with the h eavier de[...]

AT-FS750/16 and AT-FS75 0/24 Fast Ethernet Smart Switches Installation Guide 29 Cable Specifications Table 5 lists the cable specificatio 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. A port is automatically configured as MDI or MDI-X when connected to an end node.[...]

Chapter 2: Inst allation 30 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-FS750/16 and AT-FS75 0/24 Fast Ethernet Smart Switches Installation Guide 31 Installing the Switch o n a Desktop You can install the AT-FS750/16 and AT-FS750/2 4 Fast Ethernet Smart Switches on a desktop or in a standard 19-inch equipmen t rack. To install the switch in a rack, refer to “Installing the Swit ch in an Equipment Rack” on page 3[...]

Chapter 2: Inst allation 32 Installing the Switch in an Equipment Rack To install the switch in a standard 19-inch equipment rack, perform the following procedure: 1. If attached, remove the rubber feet u sing a flat-head screwdriver. 2. Install a rack-mount bracket on on e side of the switch using a Phillips screwdriver and four of the rack-mount [...]

AT-FS750/16 and AT-FS75 0/24 Fast Ethernet Smart Switches Installation Guide 33 4. Mount the switch in a standard 19-inch equip ment rack using the four large screws included. Figure 9 an d Figure 10 show how to mount the AT-FS750/16 and AT-FS750/24 Switches, respe ctively. Figure 9. Mounting the AT-FS750/16 Switch in an Equipment Rack Figure 10. M[...]

Chapter 2: Inst allation 34 Installing an Optional SFP Transceiver The AT-FS750/16 and AT-FS750/24 Fast Ethernet Sma rt Switches have two slots for optional SFP transceiver s. To install an SFP transceiver, perform the following procedure: Note The transceiver can be hot-swapped; you do not need to power off the switch to install a transceiver. How[...]

AT-FS750/16 and AT-FS75 0/24 Fast Ethernet Smart Switches Installation Guide 35 4. Slide the transceiver into the SFP slot until it clicks into place. Figure 12. Inserting the SFP 5. Verify that the handle on the transceiver is in the upright position, as shown in Figure 13. This secures the transceiver and preve nts it from being dislodged from th[...]

Chapter 2: Inst allation 36 For information on the cable sp ecifications of the SFP transceiver , consult the document ation shipped with the device .[...]

AT-FS750/16 and AT-FS75 0/24 Fast Ethernet Smart Switches Installation Guide 37 Cabling the Switch Observe the following guidelines when connecting twisted pair and fiber optic cables to the ports on the switch:  The connector on the cab le should fit snugly into the port o n the switch. The tab o n the connector s hould lock the connector into [...]

Chapter 2: Inst allation 38 Powering On the Switch To power on the switch, perform the following procedure: 1. Plug the power cord into the AC power connector on the back of the switch, as shown in Figure 14. Figure 14. Plugging in th e AC Power Cord 2. Plug the other end of the powe r cord into a wall outlet. 3. Verify that the POWER LED is green.[...]

39 Chapter 3 T r oubleshooting This chapter contains information on how to t roubleshoot the switch if a problem occurs. Note For further assistance, please contact Allied Te lesis Technical Support. Refer to “Contacting Allied Telesis” on page 14. Check the POWER LED on the front of the switch. If the LED is off, indicating that the unit is no[...]

Chapter 3: Tro ubleshooting 40[...]

41 Appendix A T echnical Specifications Physical Specifications Dimensions: AT-FS750/16 330 mm x 230.7 mm x 43.2 mm (12.99 in x 9.08 in x 1.7 in) AT-FS750/24 440 mm x 257 mm x 43.2 mm (17.32 in x 10.12 in x 1.7 in) Weight: AT-FS750/16 2.22 kg (4.9 lbs) AT-FS750/24 3.06 kg (6.75 lbs) Environmental Specifications Operating Temperature: 0° C to 40° [...]

Appendix A: Technica l Specifications 42 Safety and Electromagnetic Emissions Certifications EMI/RFI: FCC Class A, EN55022 Class A, CISPR Class A, C-TICK, CE Immunity: EN55024 Electrical Safety: EN60950 (TUV), UL60950 ( c UL us ) Connectors and Port Pinouts This section lists the connectors and connector pinout s for the AT-GS950/16 and AT-GS950/24[...]

AT-FS750/16 and AT-FS75 0/24 Fast Ethernet Smart Switches Installation Guide 43 Table 7 lists the RJ-45 port pin signal s when a twisted pair port is operating in the MDI-X configuration. Table 8 lists the RJ-45 conn ector pins and their sign als when a 1000Base-T port is operating at 1 000 Mbps. T able 7. MDI-X Pin Signals (10Base-T or 100Base -TX[...]

Appendix A: Technica l Specifications 44[...]