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AT-FS750/24POE Fast Ethernet WebSmart Switch Installation Guide

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data link, which stops the end node. When the switch is ready to receive
data again, the switch stops forcing collisions. This is referred to as back
pressure.

A port operating at 100 Mbps and full-duplex mode uses PAUSE frames,
as specified in the IEEE 802.3x standard, to stop the transmission of data
from an end node. Whenever the switch wants an end node to stop
transmitting data, it issues this frame. The frame instructs the end node to
cease transmission. The switch continues to issue PAUSE frames until it is
ready again to receive data from the end node. This is referred to as flow
control.

The AT-FS750/24POE Fast Ethernet WebSmart Switch supports both
transmit (TX) and receive (RX) flow control.

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Содержание WebSmart AT-FS750/24POE

Страница 1: ...613 001269 Rev A Fast Ethernet WebSmart Switch AT FS750 24POE Installation Guide ...

Страница 2: ...respective owners Allied Telesis Inc reserves the right to make changes in specifications and other information contained in this document without prior written notice The information provided herein is subject to change without notice In no event shall Allied Telesis Inc be liable for any incidental special indirect or consequential damages whatsoever including but not limited to lost profits ari...

Страница 3: ...n radiate radio frequency energy and if not installed and used in accordance with this instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Note Modifications or changes not expressly approved of by the...

Страница 4: ...ent is available in a PDF document titled Translated Safety Statements on our web site Go to http www alliedtelesis com support software Select Switches under Product Category and this product under Product Name You can view this document online or download it onto a local workstation or server ...

Страница 5: ...LEDs 25 Power Supply 26 Power over Ethernet 27 Power Budgeting 27 Implementation 28 Ethernet Switching Basics 29 MAC Address Table 29 Duplex Mode 30 Store and Forward 30 Back Pressure and Flow Control 30 Chapter 2 Installation 33 Reviewing Safety Precautions 34 Selecting a Site for the Switch 37 Cable Specifications 38 Twisted Pair Ports 38 SFP Ports 38 Unpacking the Switch 39 Installing the Switc...

Страница 6: ...al Specifications 55 Environmental Specifications 55 Power Specifications 55 Safety and Electromagnetic Emissions Certifications 56 Connectors and Port Pinouts 57 Appendix B Cleaning Fiber Optic Connectors 59 Using a Cartridge Type Cleaner 60 Using a Swab 62 ...

Страница 7: ...unt Bracket 44 Figure 13 Mounting the Switch on the Rack 45 Figure 14 Removing the Dust Plug from the SFP Slot 46 Figure 15 Inserting the SFP 47 Figure 16 Connecting the Twisted Pair Data Cables 48 Figure 17 Removing the Dust Plug from the SFP transceiver 49 Figure 18 Connecting the Fiber Optic Cable 50 Figure 19 Plugging in the AC Power Cord 50 Figure 20 AT S105 Management Software Main Page 52 F...

Страница 8: ...List of Figures 8 ...

Страница 9: ...23 Table 5 10 100Base T Non PoE Port LEDs Port 13 24 Description 24 Table 6 Uplink Combo Port LEDs Description 25 Table 7 IEEE 802 3af Class vs Power Levels 28 Table 8 Twisted Pair Cabling and Distances 38 Table 9 MDI Pin Signals 10Base T or 100Base TX 57 Table 10 MDI X Pin Signals 10Base T or 100Base TX 57 Table 11 RJ 45 1000Base T Connector Pinouts 58 ...

Страница 10: ...List of Tables 10 ...

Страница 11: ... WebSmart Switch as well as how to start a management session with the AT S105 management software This preface contains the following sections Safety Symbols Used in this Document on page 12 Where to Find Web based Guides on page 13 Contacting Allied Telesis on page 14 Management Software Updates on page 15 ...

Страница 12: ...es the safety symbols defined in Table 1 Table 1 Safety Symbols Symbol Meaning Description Caution Performing or omitting a specific action may result in equipment damage or loss of data Warning Performing or omitting a specific action may result in electrical shock ...

Страница 13: ...and user guides for all Allied Telesis products are available in portable document form PDF on our web site Go to http www alliedtelesis com support software and enter the model number of your product in the Search by Product field You can view the documents online or download them onto a local workstation or server ...

Страница 14: ...the list displayed on the website Then select the appropriate menu tab Warranty For the AT FS750 24POE Fast Ethernet WebSmart Switch hardware warranty information refer to the Allied Telesis web site at www alliedtelesis com warranty Returning Products Products for return or repair must first be assigned a Return Materials Authorization RMA number A product sent to Allied Telesis without a RMA num...

Страница 15: ...of the following Internet sites Allied Telesis web site www alliedtelesis com Allied Telesis FTP server ftp ftp alliedtelesis com If you prefer to download new software from the Allied Telesis FTP server from your workstation s command prompt you will need FTP client software and you must log in to the server Enter anonymous for the user name and your email address for the password ...

Страница 16: ...Preface 16 ...

Страница 17: ...reating or expanding an Ethernet or Fast Ethernet network This chapter contains the follows sections Features on page 18 Front and Back Panels on page 19 Ports on page 20 Eco friendly Switch on page 21 LEDs on page 22 Power Supply on page 26 Power over Ethernet on page 27 Ethernet Switching Basics on page 29 ...

Страница 18: ... IEEE 802 IEEE 802 3u and IEEE802 3z IEEE 802 3af POE compliant on ports 1 12 Alternative A IEEE 802 3 and IEEE 802 3u compliant IEEE 802 3x supports Flow Control in full duplex operation Back Pressure in half duplex operation Auto MDI MDI X on all twisted pair ports including combo ports Eco friendly switch for enabling disabling port LEDs and for resetting switch Minimizes transmit signal power ...

Страница 19: ...back panels of the AT FS750 24POE Fast Ethernet WebSmart Switch Figure 1 AT FS750 24POE Front and Back Panels POWER POE SYSTEM 24 Port 10 100 Mbps WebSmart Switch with 12 POE and 2 Combo SFP Ports 1714 10 100Base Twisted Pair Ports Port LEDs Uplink Combo Ports System LEDs eco friendly Switch 1715 100 240VAC 50 60Hz AC Power ...

Страница 20: ...the switch to set the duplex mode for each port correctly the end nodes that you connect to the switch ports must be configured for Auto Negotiation Otherwise a duplex mode mismatch can occur affecting network performance For further information refer to Duplex Mode on page 30 Each twisted pair port has a maximum operating distance of 100 m 328 feet For 10 Mbps operation Category 3 or better 100 o...

Страница 21: ...lt settings The switch functions are described in Table 2 Figure 2 Eco friendly Switch 1716 POWER POE SYSTEM Table 2 Eco friendly Switch Functions Action Results Momentarily press the switch Enable or disable all front panel LEDs with the exception of the POWER LED which remains active at all times Hold the switch down for more than 5 seconds but less than 10 seconds Reset the switch Hold the swit...

Страница 22: ...ystem LEDs The switch has two system level LEDs Power and POE as shown in and described in Table 3 Figure 3 System LEDs 1716 POWER POE SYSTEM Table 3 System LEDs LED State Description Power Solid Green The switch is powered up and operating normally Blinking Green The switch is starting up performing a self test or downloading software Off The switch is powered off POE Solid Green Power is availab...

Страница 23: ...n the port Blinking Green The port is transmitting or receiving data Off No link is established on the port 100M Solid Green A valid 100 Mbps link is established between the uplink port and the end node Off A valid 10 Mbps link is established between the port and the end node PoE Solid Green The port detects a Powered Device and complies with the condition of the normal load Blinking Green Indicat...

Страница 24: ... 5 10 100Base T Non PoE Port LEDs Port 13 24 Description LED State Description L A Solid Green A valid 10 100M link has been established Blinking Green The port is transmitting or receiving data Off No link is established on the port 100M Solid Green A valid 100 Mbps link is established between the port and the end node Off A valid 10 Mbps link is established between the port and the end node ...

Страница 25: ...scription LED State Description L A Solid 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 Solid Green A valid 1000 Mbps link is established between the uplink port and the end node Solid Amber A valid 100 Mbps link is established between the uplink port and the end node Off A valid 10 Mbps link...

Страница 26: ...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 on page 55 ...

Страница 27: ...signature resistor or signature capacitor that the switch can detect over the Ethernet cabling If the resistor or capacitor is present the switch assumes that the device is a powered device Power Budgeting The AT FS750 24POE Fast Ethernet WebSmart Switch is capable of providing a maximum of 15 4 W of power per port on six of the twelve POE ports for a total power consumption of 100 W while at the ...

Страница 28: ...ation on the AT FS750 24POE Fast Ethernet WebSmart Switch is Alternative A where power is transmitted over strands 1 2 3 and 6 PDs that comply with the IEEE 802 3af standard typically support both power delivery methods So long as a PD is compliant with the standard it receives its power from the switch while using either a straight or cross over cable The PoE feature on the AT FS750 24POE Fast Et...

Страница 29: ...k devices connected to the switch s ports and the port number where each address was learned When the switch receives a packet it also examines the destination address and by referring to its MAC address table determines the port on which the destination end node is connected Then it forwards the packet to the appropriate port and on to the end node This increases network bandwidth by limiting eac...

Страница 30: ...thod for receiving and transmitting frames When a Ethernet frame is received on a switch port the switch does not retransmit the frame out the destination port until it has received the entire frame and stored the frame in a port buffer It then examines the frame to determine if it is a valid frame Invalid frames such as fragments or runts are discarded by the switch This ensures that only valid f...

Страница 31: ...USE frames as specified in the IEEE 802 3x standard to stop the transmission of data from an end node Whenever the switch wants an end node to stop transmitting data it issues this frame The frame instructs the end node to cease transmission The switch continues to issue PAUSE frames until it is ready again to receive data from the end node This is referred to as flow control The AT FS750 24POE Fa...

Страница 32: ...Chapter 1 Overview 32 ...

Страница 33: ...ovided This chapter contains the following sections Reviewing Safety Precautions on page 34 Selecting a Site for the Switch on page 37 Cable Specifications on page 38 Unpacking the Switch on page 39 Installing the Switch on a Desktop on page 40 Installing the Switch on a Wall on page 41 Installing a Switch in a Rack on page 44 Installing an SFP Transceiver on page 46 Cabling and Powering On the Sw...

Страница 34: ...dous voltages and should only be opened by a trained and qualified technician To avoid the possibility of electric shock disconnect electric power to the product before connecting or disconnecting the LAN cables E1 Warning Do not work on equipment or cables during periods of lightning activity E2 Warning Power cord is used as a disconnection device To de energize equipment disconnect the power cor...

Страница 35: ...equipment to the supply circuit and the effect that overloading of circuits might have on over current protection and supply wiring Appropriate consideration of equipment nameplate ratings should be used when addressing this concern E21 Warning Mounting of the equipment in the rack should be such that a hazardous condition is not created due to uneven mechanical loading E25 If installed in a close...

Страница 36: ...Chapter 2 Installation 36 Warning To reduce the risk of electric shock the PoE ports on this product must not connect to cabling that is routed outside the building where this device is located E40 ...

Страница 37: ...able is level and secure The power outlet for the switch should be located near the unit and should be easily accessible The site should provide for easy access to the ports on the front of the switch This makes it easy for you to connect and disconnect cables as well as view the switch s LEDs To allow proper cooling of the switch air flow around the unit and through its vents on the side and rear...

Страница 38: ...r cable when connecting any network device to a twisted pair port on the switch SFP Ports Refer to the specific Allied Telesis SFP data sheet for the cable specifications for the your installation Table 8 Twisted Pair Cabling and Distances Speed Type of Cable Maximum Operating Distance 10 Mbps Category 3 or better 100 ohm shielded or unshielded twisted pair cable 100 m 328 ft 100 Mbps Category 5 o...

Страница 39: ...elesis 2 Place the switch on a level secure surface 3 Ensure that the following hardware components are included in your switch package If any item is missing or damaged contact your Allied Telesis sales representative for assistance One AT FS750 24POE WebSmart Fast Ethernet Switch and the following Mounting brackets 2 pieces 1set Rack mounting screws 8 pieces for bracket to device Rack Mounting s...

Страница 40: ... the switch as shown in Figure 7 Figure 7 Attaching the Rubber Feet 3 Turn the switch over again and place it on a flat secure surface such as a desk or table leaving ample space around the unit for ventilation 4 If you plan to install SFP transceiver modules go to the next step at Installing an SFP Transceiver on page 46 Otherwise your next step is Cabling and Powering On the Switch on page 48 PO...

Страница 41: ...inal shipping material if you need to return the unit to Allied Telesis To wall mount the switch perform the following procedure 1 Place the unit on a level secure surface 2 Attach a mounting bracket to one side of the switch using four Phillips head screws that come with the switch as shown in Figure 8 Figure 8 Attaching Brackets for Wall Mounting 3 Install the second mounting bracket on the othe...

Страница 42: ...to the wall Drill holes in the wall so that they are level with each other and spaced as shown in Figure 9 Each hole must be 0 635 mm 0 25 in in diameter Figure 9 Positioning and Drilling Holes for Wall Installation 465mm 18 3in 31 75 1 25in 0 635mm DIA 0 25in ...

Страница 43: ...age 43 Figure 10 Positioning the Switch onto the Wall with Mounting Screws 6 If you plan to install SFP transceiver modules go to Installing an SFP Transceiver on page 46 Otherwise your next step is Cabling and Powering On the Switch on page 48 P O W E R P O E S Y S TE M 24 Po rt 10 10 0 Mb ps We bS ma rt Sw i t ch wit h 12 PO E an d 2 Co mb o SF P Po rts 1760 ...

Страница 44: ...11 Removing Feet from Switch 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 12 shows how to mount the brackets on the switch Figure 12 Attaching the Rack Mount Bracket 3 Repeat step 2 to attach the remaining bracket to the other side of the switch 24 Port 10 100 Mbps WebSmart Switch with 12 POE and 2 Com...

Страница 45: ...k mount screws are not provided Figure 13 Mounting the Switch on the Rack 5 If you plan to install SFP transceiver modules go to the next step at Installing an SFP Transceiver on page 46 Otherwise your next step will be Cabling and Powering On the Switch on page 48 1721 24 Port 10 100 Mbps WebSmart Switch with 12 POE and 2 Combo SFP Ports ...

Страница 46: ...wer off the switch to install an SFP transceiver However always remove the cables before removing the transceiver Note You must install an SFP transceiver before you connect cables to it 1 Remove the transceiver from its shipping container and store the packaging material in a safe location 2 Remove the dust plug from the SFP slot as shown in Figure 14 Figure 14 Removing the Dust Plug from the SFP...

Страница 47: ...vers are dust sensitive When a fiber optic cable is not installed or when you store the SFP always keep the plug in the optical bores When you do remove the plug keep it for future use Refer to Cleaning Fiber Optic Connectors on page 59 if fiber connections require cleaning Note Unnecessary removal and insertion of an SFP transceiver can lead to premature failure For information about cabling for ...

Страница 48: ...e RJ 45 ports on the switch as shown in Figure 16 Figure 16 Connecting the Twisted Pair Data Cables When connecting a twisted pair cable to a port observe the following guidelines An RJ 45 connector should fit snugly into the port on the switch The tab on the connector should lock the connector into place The ports on the switch are auto MDI MDI X You can use either a straight through or crossover...

Страница 49: ...e Note If you plan to configure a redundant data path make sure that the Spanning Tree feature is enabled via the AT S105 Management Software before connecting the ethernet cables for your secondary network connections 1 Remove the dust plug from the SFP transceiver as shown in Figure 17 Figure 17 Removing the Dust Plug from the SFP transceiver Warning To reduce the risk of electric shock the PoE ...

Страница 50: ... 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 19 Figure 19 Plugging in the AC Power Cord 2 Plug the other end of the power cord into a wall outlet 1725 Warning Power cord is used as a disconnection device To de energize equipment disconnect the power cord E3 100 240VAC 50 60Hz 1727 ...

Страница 51: ...switch is now powered on and ready for network operations To start a local management session on the switch refer to Starting a Management Session on page 52 For more information about staring a remote management session see the AT S105 Management Software User s Guide Pluggable Equipment The socket outlet shall be installed near the equipment and shall be easily accessible E5 ...

Страница 52: ...web browser address box enter the following IP address 192 168 1 1 The main page for the AT S105 management software is shown in Figure 20 Figure 20 AT S105 Management Software Main Page Because the switch initially has no login or password protection follow the instructions in the AT S105 Management Software User s Guide to change the IP address and add administrative users ...

Страница 53: ...wer by connecting another device to it Try connecting the unit to another power source Try using a different power cord Verify that the voltage from the power source is within the required levels for your region LINK ACT LED is OFF Verify that the LINK ACT LED for each port is ON If a LINK ACT LED is OFF do the following Verify that the end node connected to the port is powered on and is operating...

Страница 54: ...the device s documentation or data sheet Verify that the PD is not faulty Verify that you are using the appropriate category of twisted pair cable Category 3 or better for 10 Mbps operation Category 5 5E for 100 Mbps operations Verify that the twisted pair cable is not faulty by replacing it with a known good cable Use the CLI management software to determine whether PoE is enabled on the switch a...

Страница 55: ...age Temperature 25 C to 70 C 40 F to 158 F Operating Humidity 5 to 90 non condensing Storage Humidity 5 to 95 non condensing Operating Altitude Range Up to 3 000 m 9 843 ft Power Specifications AC Voltage Frequency Requirements 100 240 VAC 50 60 Hz AC Input Power Consumption 130 W Maximum Available Power over Ethernet 100 W 48 VDC IEEE 802 3af Class 3 15 4 W Max 6 ports IEEE 802 3af Class 2 7 3 W ...

Страница 56: ... Electromagnetic Emissions Certifications EMI RFI FCC Class A EN55022 Class A CISPR Class A Immunity EN55024 Electrical Safety EN60950 1 TUV UL60950 1 cULus EN60825 Quality and Reliability MTBF 270 000 Hours Safety Agency Approvals cULus TUV C TICK CE ...

Страница 57: ...ayout for an RJ 45 connector and port Figure 21 RJ 45 Connector and Port Pin Layout Table 9 lists the RJ 45 pin signals when a twisted pair port is operating in the MDI configuration Table 10 lists the RJ 45 port pin signals when a twisted pair port is operating in the MDI X configuration Table 9 MDI Pin Signals 10Base T or 100Base TX Pin Signal 1 TX 2 TX 3 RX 6 RX Table 10 MDI X Pin Signals 10Bas...

Страница 58: ...RJ 45 connector pins and their signals when a 1000Base T port is operating at 1000 Mbps Table 11 RJ 45 1000Base T Connector Pinouts Pin Pair Signal 1 1 TX and RX 2 1 TX and RX 3 2 TX and RX 4 3 TX and RX 5 3 TX and RX 6 2 TX and RX 7 4 TX and RX 8 4 TX and RX ...

Страница 59: ...ble to the naked eye can disrupt light transmission and lead to failure of the component or of the entire system Therefore it is of utmost importance to clean all fiber optic connectors before use Figure 22 shows the ferrule in an SC connector Figure 22 Ferrule in an SC Connector Plug Figure 23 shows part of the end face of an unclean and clean ferrule Figure 23 Unclean and Clean Ferrule This appe...

Страница 60: ...nector To clean a fiber optic connector using a cartridge cleaner perform the following procedure 2 With one hand hold the cartridge cleaner and push the lever on the cleaning cartridge in the direction of the arrow to expose the cleaning surface as shown in Figure 25 3 Place the ferrule tip on the exposed cleaning surface and rub the ferrule in a downward direction as shown in Figure 25 Figure 25...

Страница 61: ...n result in static electricity that can damage the fiber optic cable 5 If desired repeat steps 3 and 4 6 If a fiber inspection scope is available use the scope to inspect the ferrule end face to make sure that it is clean 7 Reconnect the cable to the port or protect the ferrule tip with a dust cap Note Always keep a dust cap on a fiber optic cable when it is not in use Note Do not touch the end fa...

Страница 62: ... 1 25 mm sizes for use on SC and MU connectors respectively Note NEVER use a household cotton swab and or alcohol to clean a fiber optic connector This may leave a residue on the ferrule tip Figure 26 Lint Free and Alcohol Free Swabs Note Do not use compressed air or aerosol air to clean a fiber optic connector To clean a recessed ferrule using a swab perform the following procedure 1 Insert the s...

Страница 63: ...t it is clean and to check for scratches pits or other problems that may affect performance Note Always keep a dust cap on a fiber optic cable when it is not in use Note Do not touch the end face of the ferrule in the connector Warning Do not stare into the laser beam 2 Warning Do not look directly at the fiber optic cable ends or inspect the cable ends with an optical lens 31 ...

Страница 64: ...Appendix B Cleaning Fiber Optic Connectors 64 ...

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