Allied Telesis AT-GS950/48 manuale d’uso

613-001272 Rev. B Gigabit Ethernet WebSmart Switch AT-GS950/48 Installation Guide[...]

opyright © 2010 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 ar[...]

3 Electrical Safety and Emissions S tandards This product meets the following standards. RFI Emissions FCC Class A, EN55022 Cl ass A, EN61000-3-2, EN61000-3-3, VCCI Class A, C-TICK, CE Immunity EN55024 Electrical Safety EN60950 (TUV), UL 60950 ( C UL US ) U.S. Federal Communications Commission Radiated E nergy Note: This equipment has been tested a[...]

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 State ments” on our web site. Go to http://www.alliedtelesis.com/support/software . Select “Switches” und er Product Category and this product under Product Name. You can view thi[...]

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

Contents 6 Appendix A: Te chnical Spe cifications ..................... ........... .............. ........... ........... .............. ............ ........... ........... .........51 Physical Specifications .......... ................ ............ ........... ........... ........... ........... .............. ........ ......... .............. .[...]

7 Figure 1. AT-GS950/48 Front and Back Panels ......................... .............. ........... .............. .............. ..... .......... .............. ....... 19 Figure 2. Eco-friendly Switch ............... .............. ........... .............. .............. ........... .............. .... ......................... ........... .....[...]

Figures 8[...]

9 Table 1. Safety Sy mbols ..................... .............. ........... .............. ........... .............. ............ ..... ......... .............. ........... ........... .. 12 Table 2. Eco-friendly Switch Functions .. ........... ........... ........... ............ .............. ........... ........... .... .. .............. .....[...]

Tables 10[...]

11 Pr eface This guide contains instructions on how to install the AT-GS950/48 Gigabit Ethernet Smart switch. This preface co ntains 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  “Management Sof tware Up[...]

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-GS950/48 Gigabit Ethernet WebSm art Switch Installation Guide 13 Where to Find Web-based Guides The installation and user guides for all Allied Telesis products are available in portable document form (PDF) on our web site. Go to http://www.alliedtelesis.c om/support/software and enter the model number of your product in th e “Search by Produc[...]

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[...]

AT-GS950/48 Gigabit Ethernet WebSm art Switch Installation Guide 15 Management Software Updates New releases of management software for o ur managed products are available from either of the following In ternet sites:  Allied T elesis web site: www.alliedtelesis.com  Allied T elesis FTP server: ftp://ftp.alliedtelesis.com If you prefer to dow[...]

Preface 16[...]

17 Chapter 1 Overview The AT-GS950/48 Gigabit Ethernet Sma rt switch is designed to simplify the task of creating or expanding an Ethern et or Fast Ethernet network. This chapter contains the follo ws sections:  “Features”  “Front and Back Panels”  “Ports”  “Eco-friendly Switch”  “LEDs”  “Power Supply”  [...]

Chapter 1: Ove rview 18 Features The features of the AT-GS950/48 Gigabit Ethe rnet Smart switch include:  44 Auto-Negotiating 10/100/1000Base -T twisted pair ports (1 - 44 ) with RJ-45 connectors  Four uplink combo port s consisting of 100FX/1000SX/LX SFP port s (45 - 48) with four Auto-Negotiating redundant 10/100/1000Base-T twisted pair po [...]

AT-GS950/48 Gigabit Ethernet WebSm art Switch Installation Guide 19 Front and Back Panels Figure 1 illustrates the front and ba ck panels of the AT-GS950/48 Gigabit Ethernet Smart switch. Figure 1. AT-GS950/48 Front and Back Panels 1743 1744 100-240V AC~ 50-60Hz SFP Ports 10/100/1000Base Twisted Pair Ports AC Power System LEDs eco-friendly Sw itch [...]

Chapter 1: Ove rview 20 Ports The AT-GS950/48 Gigabit Ethernet Smart switch features 48 twist ed pair ports and four SFP ports. See the following sections for more information:  “T wisted Pair Ports”  “Uplink Combo Ports” Twisted Pair Ports The ports on the AT-GS950/48 Gigabit Ethernet Smar t switch are capable of 10 megabits per seco[...]

AT-GS950/48 Gigabit Ethernet WebSm art Switch Installation Guide 21 Eco-friendly Switch The eco-friendly switch on the front panel is multifunctional and shown in Figure 2. It may be used to conse rve power by turnin g off the port LEDs, reset the switch, or reset the switch configuration to the factory default settings. The switch functions are de[...]

Chapter 1: Ove rview 22 LEDs The AT-GS950/48 Gigabit Ethernet Smar t switchprovides the following LEDs:  “Power LED”  “Port LEDs” Power LED The switch has one power LED, as shown in Fig ure 3 and described in Table 3. Figure 3. Powe r LED Table 3. Power LED Description State Description Solid Green The switch is powered up and operati[...]

AT-GS950/48 Gigabit Ethernet WebSm art Switch Installation Guide 23 Port LEDs Ports 1 through 48 each have two LEDs as shown in Figu re 3 and described in Table 4. Figure 4. Port LEDs Table 4. 10/100/1000Base -T Port LEDs LED State Description L/A Solid Green A valid link has been established on the port. Blinking Green The port is transmitting or [...]

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. To power the switch on or off, connect or disconnect the power cord provided with the switch . Note For the power requirements, refer to “Power Specifications”.[...]

AT-GS950/48 Gigabit Ethernet WebSm art Switch Installation Guide 25 Ethernet Switching Basics An Ethernet switch interconnects network devices, such as workstat ions, printers, routers, and other Ethernet switches, so that they ca n communicate with each other by sending and receiving Ethernet frames. MAC Address Table Every hardware device on your[...]

Chapter 1: Ove rview 26 Duplex Mode Duplex mode refers to how an end node receives and transmits data. If an end node can receive or transmit data, but not bo th simultaneously, it is operating in what is referred to as half-du plex mode. If an end node can both receive and transmit data simultaneou sly, the end node is operating in full-duplex mod[...]

AT-GS950/48 Gigabit Ethernet WebSm art Switch Installation Guide 27 data link, which stops the end node. When the switch is ready to receive 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[...]

Chapter 1: Ove rview 28[...]

29 Chapter 2 Installation This guide provides the hardware installation in structions for your AT-GS950/48 Gigabit Ethernet Smart switch as well as how to start a management session with the AT-S106 management software. This preface contains the follo wing secti ons:“Reviewing Safety Precautions” on page 30  “Selecting a Site for the Switc[...]

Chapter 2: Inst allation 30 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 on the Allied Telesis website. Go to http://www.alliedtelesis.com/support/software . Select “Switches” under Product Cate[...]

AT-GS950/48 Gigabit Ethernet WebSm art Switch Installation Guide 31 W arning: Opera ting T emperature. This product is designed for a maximum ambient temperature of 40° deg rees C.  E7 All Countries: Install produ ct in accordance with local and National Electrical Codes.  E8 W arning: As a safety precaution, inst all a circuit breaker with [...]

Chapter 2: Inst allation 32 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-GS950/48 Gigabit Ethernet WebSm art Switch Installation Guide 33 Cable Specifications Twisted Pair Ports Table 5 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 [...]

Chapter 2: Inst allation 34 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-GS950/48 Gigabit Ethernet WebSm art Switch Installation Guide 35 Installing the Switch o n a Desktop You can place the AT-GS950/48 Gi gabit Etherne t Smart switch on a desktop or install it in a 19-inch rack. To insta ll the switch in a rack, refer t o “Installing the Switch on a Wall” on page 36. To place the switch on a desktop, perform th[...]

Chapter 2: Inst allation 36 Installing the Switch on a Wall The AT-GS950/48 Gigabit Ethernet Smart switch can be mounted vertically on a wall using the two mounting brackets, screws, and anch ors provided in the accessory kit. Note The plastic anchors used for wall mount ing the switch are intended for installation in walls made of sheet rock or co[...]

AT-GS950/48 Gigabit Ethernet WebSm art Switch Installation Guide 37 4. Install four plastic anchors into the wall. Drill holes in the wall so that they are level with each other and sp aced as shown in Figure 7. Each hole must be 0.635 mm (0.25 in) in diameter . Figure 7. Positioning and Drilling Holes for Wall Insta llation 465mm (18.3in) 31.75 (1[...]

Chapter 2: Inst allation 38 5. Position the switch on the wall an d fasten with four screws, as illustrated in Figure 8 on page 38. Figure 8. Positioning the Switch onto the Wall with Mounting Screws 6. If you plan to install SFP transce ive r modules, go to “Installing an SFP Transceiver” on page 42. Otherwise, your next step is “Cabling and[...]

AT-GS950/48 Gigabit Ethernet WebSm art Switch Installation Guide 39 Installing the Switch in a Rack To install the AT-GS950/48 Gigabit Ethernet Smart switch in a rack, perform the following procedure: Note The rack mount screws are not provided. 1. If attached, remove the rubber fe et using a flat-head screwdriver as shown in Figure 1. 1. Removing [...]

Chapter 2: Inst allation 40 Figure 9. Attaching the Rack-Mount Bracket 3. Repeat step 2 to attach the remaining bra cket to the other side of the switch. 1748[...]

AT-GS950/48 Gigabit Ethernet WebSm art Switch Installation Guide 41 4. Mount the switch on a 19-inch rack, as sho wn in Figure 10. Note The rack mount screws are not provided. Figure 10. Mounting the Switch on the Rack 5. If you plan to install SFP transceiv er modules, go to the next step at “Installing an SFP Transceiver” on page 42. Otherwis[...]

Chapter 2: Inst allation 42 Installing an SFP Transceiver The AT-GS950/48 Gigabit Ethernet Smart switch has four SFP combo ports. Perform this procedure before “Cabling and Powering On the Switch” on page 44. To install an SFP transceiver, pe rform the following procedure: Note The transceiver can be hot-swapped; you do not need to power off th[...]

AT-GS950/48 Gigabit Ethernet WebSm art Switch Installation Guide 43 4. Slide the SFP transceiver into an SFP slot on the swit ch, as shown in Figure 12. Figure 12. Inserting the SFP Transceiver 5. Repeat steps 2 through 4 if you are installing other SFP transceivers. Note SFP transceivers are dust sensitive. When a fiber optic ca ble is not install[...]

Chapter 2: Inst allation 44 Cabling and Powering On the Switch Connecting the Twisted Pair Cables To connect the twisted cables to the RJ-45 ports on the AT-GS950/48 Gigabit Ethernet Smart switch, per form the following procedure: Note If you plan to configure a redunda nt data path, make sure that the Spanning Tree feature is enabled via the AT-S1[...]

AT-GS950/48 Gigabit Ethernet WebSm art Switch Installation Guide 45 Connecting the Fiber Optic Cables To connect a fiber optic ca ble to an SFP transceiver installed in the AT- GS950/48 Gigabit Ethernet Smart switch, perform the following procedure: Note If you plan to configure a redundant d ata path, make sure that the Spanning Tree feature is en[...]

Chapter 2: Inst allation 46 Note If you plan to configure a redunda nt data path, insure that the Spanning Tree feature is enabled via the AT-S106 Manag ement Software before connecting the ethernet cables. 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 [...]

AT-GS950/48 Gigabit Ethernet WebSm art Switch Installation Guide 47 Starting a Management Session To start a management session on an AT-GS950/ 48 Gigabit Ethernet Smart switch, perform the following procedure: 1. In a web browser address box, enter the following IP add ress: 192.168.1.1 The main page fo r the A T -S106 management sof tware main p [...]

Chapter 2: Inst allation 48[...]

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 (W x D x H): 440 mm x 257 mm x 43.2 mm (17.32 in x 10.12 in x 1.70 in) Weight: 4.047 kg (8.92 lbs) Environmental Specifications Operating Temperature: 0° C to 40° C (32° F to 104° F) Storage Temperature: -25° C to 70° C (-13° F to 158° F) Operating Humidity: 5% to 90[...]

Appendix A: Technica l Specifications 52 Safety and Electromagnetic Emissions Certifications EMI/RFI: FCC Class A, EN55022 Class A, CISPR Class A Immunity: EN55024 Electrical Safety: EN60950-1 (TUV), UL60950-1 ( c UL us ) Quality and Reliability: MTBF > 260,000 Hours Safety Agency Approvals: c UL us , TUV, C-TICK, CE Network Protocol and Standar[...]

AT-GS950/48 Gigabit Ethernet WebSm art Switch Installation Guide 53 Connectors and Port Pinouts This section lists the connectors an d connector pinouts for the AT-GS950/48 Gigabit Ethernet Smart switch and its comp onents. Figure 18 illustrates the pin lay out for an RJ-45 connector an d port. Figure 18. RJ-45 Connector and Port Pin L ayout Table [...]

Appendix A: Technica l Specifications 54 Table 7 lists the RJ-45 port pin signals when a twisted pair port is operating in the MDI-X configuration . Table 8 lists the RJ-45 connector pins and their signals when a 1000Base-T port is operating at 1000 Mbp s. T able 7. MDI-X Pin Signals (10Base- T or 100Base-TX) Pin Signal 1R X + 2R X - 3T X + 6T X - [...]

55 Appendix B Cleaning Fiber Optic Connectors The fiber optic connector consists of a fib er optic plug and its adapter. The end of the fiber optic cable is h eld in the core of the ferrule in the plug. Light signals are transmitted through the core of t he fiber. Even minor smudges or dirt on the end face of t he fiber, completely invisible to the[...]

Appendix B: Cleaning Fi ber Optic Connectors 56 Using a Cartridge-Type Cleaner Fiber optic cartridge cleaners are av ailable from many vendors and are typically called “cartridge cleaners,” as shown in Figu re 21. Figure 21. Cartridge Cleane r Note Do not use compressed air or aerosol air to clean a f iber optic connector. To clean a fiber opti[...]

AT-LX3800U Multi-Servic e Transport System Inst allation and Mainte nance Guide 57 Note Rub the ferrule tip on the cleaning surface in o ne direction only. 5. When you reach the end of the cleaning surface, pick up the ferrule tip, rotate and place it at the top and rub downwards a t least 2 times. Caution Failing to pick up the ferrule tip when yo[...]

Appendix B: Cleaning Fi ber Optic Connectors 58 Using a Swab Specially treated swabs (stick cleaners) a re available for cleanin g inside connector adapters or hard-to- reach ferrule tips. These swabs, often referred to as “lint free” or “alcohol free” swabs, are available from many vendors, as shown in Figure 23. Stick cleaners are availab[...]

AT-LX3800U Multi-Servic e Transport System Inst allation and Mainte nance Guide 59 3. If a fiber inspection scope is ava ilable, use the scope to inspect the connector to make sure that it is clean and to check for scratches, pits, or other problems that may aff ect performance. Note Always keep a dust cap on a fiber op tic cable when it is not in [...]

Appendix B: Cleaning Fi ber Optic Connectors 60[...]