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Chapter 1: Overview

22

Network Topologies

This section illustrates two network topologies of the AT-FS750/16 and
AT-FS750/24 Fast Ethernet Smart Switches: a power workgroup and
collapsed backbone.

Power

Workgroup

Topology

The topology shown in Figure 4 is commonly referred to as a power
workgroup. This topology provides the best in performance and reliability
because each end node is connected directly to the AT-FS750/24 Switch
with a dedicated network link.

Figure 4. Power Workgroup Topology

AT-FS750/24

1290

1

3

5

7

9

11

13

15

17

19

21

23

POWER

2

4

6

8

10

12

14

16

18

20

22

24

25

26

LINK/ACT

LINK/ACT

SPEED

LINK/ACT

SPEED

AT-FS750/24

24-Port 10/1 2 SFP/1000T Combo WebSmart Switch

1000M

100M

Legend

100 Mbps
1000 Mbps

10 Mbps

«
...
20
21
22
23
24
...
»

Содержание FS750/16

Страница 1: ...613 000354 Rev B Fast Ethernet Smart Switches AT FS750 16 AT FS750 24 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: ...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 m...

Страница 4: ...y Statements Important The indicates that a translation of the safety statement is available in a PDF document titled Translated Safety Statements 613 000405 posted on the Allied Telesis website at www alliedtelesis com ...

Страница 5: ...ork Topologies 22 Power Workgroup Topology 22 Collapsed Backbone 23 Chapter 2 Installation 25 Reviewing Safety Precautions 26 Selecting a Site for the Switch 28 Cable Specifications 29 Unpacking the Switch 30 Installing the Switch on a Desktop 31 Installing the Switch in an Equipment Rack 32 Installing an Optional SFP Transceiver 34 Cabling the Switch 37 Powering On the Switch 38 Chapter 3 Trouble...

Страница 6: ...Contents 6 ...

Страница 7: ...he Rack Mount Bracket to the AT FS750 16 Switch 32 Figure 8 Attaching the Rack Mount Bracket to the AT FS750 24 Switch 32 Figure 9 Mounting the AT FS750 16 Switch in an Equipment Rack 33 Figure 10 Mounting the AT FS750 24 Switch in an Equipment Rack 33 Figure 11 Removing the Dust Plug from the SFP Slot 34 Figure 12 Inserting the SFP 35 Figure 13 Positioning the SFP Handle in the Upright Position 3...

Страница 8: ...Figures 8 ...

Страница 9: ...10 100Base TX Port LEDs 20 Table 4 Uplink Combo Port LEDs 20 Table 5 Twisted Pair Cabling and Distances 29 Table 6 MDI Pin Signals 10Base T or 100Base TX 42 Table 7 MDI X Pin Signals 10Base T or 100Base TX 43 Table 8 RJ 45 1000Base T Connector Pinouts 43 Tables ...

Страница 10: ...Tables 10 ...

Страница 11: ...structions for the AT FS750 16 and AT FS750 24 Fast Ethernet Smart Switches 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 ...

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: ...de 13 Where to Find Web based Guides The installation and user guides for all Allied Telesis products are available in portable document format PDF on our web site at www alliedtelesis com You can view the documents online or download them onto a local workstation or server ...

Страница 14: ...nt to Allied Telesis without an RMA number will be returned to the sender at the sender s expense For instructions on how to obtain an RMA number go to the Support section on our web site at www alliedtelesis com Sales or Corporate Information You can contact Allied Telesis for sales or corporate information through our web site at www alliedtelesis com Warranty The AT FS750 16 and AT FS750 24 Swi...

Страница 15: ...es the AT FS750 16 and AT FS750 24 Layer 2 Fast Ethernet Smart Switches The sections in the chapter are Features on page 16 Front and Back Panels on page 17 Ports on page 18 LEDs on page 19 Power Supply on page 21 Network Topologies on page 22 ...

Страница 16: ...t small form factor pluggable SFP transceiver Auto MDI MDI X on the twisted pair ports IEEE 802 3 and IEEE 802 3u compliant IEEE 802 3x flow control in full duplex operation back pressure in half duplex operation IEEE 802 1P based Quality of Service support IEEE 802 1Q based tagged up to 4K VLAN support IEEE 802 1X based authentication Port mirroring Link aggregation Store and forward switching mo...

Страница 17: ...ls 10 100Base Twisted Pair AT FS750 16 1288 LINK ACT SPEED LINK ACT SPEED POWER 17 18 LINK ACT 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 1000M 100M AT FS750 16 16 Port 10 100Mbps 2 SFP 1000T Combo WebSmart Switch Port and System LEDs Console Port Uplink Combo Ports Ports 10 100Base Twisted Pair Ports Port and System LEDs AT FS750 24 SFP Ports 1290 1 3 5 7 9 11 13 15 17 19 21 23 POWER 2 4 6 8 10 12 14...

Страница 18: ...r cabling Also featured on the ports is auto MDI which automatically configures the ports as MDI or MDI X This allows you to use straight through twisted pair cable regardless of the configuration of the ports on the end nodes Uplink Combo Ports The switch has two pairs of uplink ports each consisting of one 10 100 1000Base T twisted pair port and one slot for an optional SFP transceiver The ports...

Страница 19: ...scription POWER Off The switch is not receiving power On The switch is receiving power AT FS750 16 1289 LINK ACT SPEED LINK ACT SPEED POWER 17 18 LINK ACT 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 1000M 100M AT FS750 16 16 Port 10 100Mbps 2 SFP 1000T Combo WebSmart Switch AT FS750 24 1291 1 3 5 7 9 11 13 15 17 19 21 23 POWER 2 4 6 8 10 12 14 16 18 20 22 24 25 26 LINK ACT LINK ACT SPEED LINK ACT SPEED...

Страница 20: ...tablished on the port Table 4 Uplink Combo Port LEDs LED State Description 1000M Green The uplink port has established a valid 1000 Mbps link with an end node Off 1 1 The port has established a valid 10 Mbps link when both the 1000M and the 100M LEDs are Off and the LINK ACT LED is Green No 1000 Mbps link is established on the uplink port 100M Green A valid 100 Mbps link is established between the...

Страница 21: ... internal power supply with a single AC power supply socket featuring autoswitch AC inputs on the back panel To power the switch on or off connect or disconnect the power cord provided with the switch A power cord is supplied with the switch Note For the power requirements refer to Power Specifications on page 41 ...

Страница 22: ...erred to as a power workgroup This topology provides the best in performance and reliability because each end node is connected directly to the AT FS750 24 Switch with a dedicated network link Figure 4 Power Workgroup Topology AT FS750 24 1290 1 3 5 7 9 11 13 15 17 19 21 23 POWER 2 4 6 8 10 12 14 16 18 20 22 24 25 26 LINK ACT LINK ACT SPEED LINK ACT SPEED AT FS750 24 24 Port 10 100Mbps 2 SFP 1000T...

Страница 23: ...ry traffic in each workgroup because the AT FS750 16 Switch transfers frames only when the source and destination end nodes are located on different switches This frees up bandwidth and improves network performance Figure 5 Collapsed Backbone Topology 1288 LINK ACT SPEED LINK ACT SPEED POWER 17 18 LINK ACT 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 1000M 100M AT FS750 16 16 Port 10 100Mbps 2 SFP 1000T...

Страница 24: ...Chapter 1 Overview 24 ...

Страница 25: ...cting a Site for the Switch on page 28 Cable Specifications on page 29 Unpacking the Switch on page 30 Installing the Switch on a Desktop on page 31 Installing the Switch in an Equipment Rack on page 32 Installing an Optional SFP Transceiver on page 34 Cabling the Switch on page 37 Powering On the Switch on page 38 ...

Страница 26: ... 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 cord E3 Warning Class I Equipment This equipment must be earthed The power plug must be connected to a properly wired earth ground socket outlet An improperly wired socket outlet cou...

Страница 27: ...nical loading E25 If installed in a closed or multi unit rack assembly the operating ambient temperature of the rack environment may be greater than the room ambient temperature Therefore consideration should be given to installing the equipment in an environment compatible with the manufacturer s maximum rated ambient temperature Tmra E35 Caution Installation of the equipment in a rack should be ...

Страница 28: ...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 will make it easier 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 should not be restrict...

Страница 29: ...Pair Cabling and Distances Speed Type of Cable Maximum Operating Distance 10 Mbps Standard TIA EIA 568 B compliant Category 3 or better shielded or unshielded cabling with 100 ohm impedance and a frequency of 16 MHz 100 m 328 ft 100 Mbps Standard TIA EIA 568 A compliant Category 5 or TIA EIA 568 B compliant Enhanced Category 5 Cat 5e shielded or unshielded cabling with 100 ohm impedance and a freq...

Страница 30: ...e unit to Allied Telesis 2 Place the switch on a level secure surface 3 Verify that the switch package has the following hardware components If any item is missing or damaged contact your Allied Telesis sales representative for assistance One AT FS750 16 or AT FS750 24 Smart Switch Two rack mount brackets Eight rack mount bracket screws black Four rack mounting screws stainless steel Four rubber f...

Страница 31: ...perform the following procedure 1 Remove all equipment from the package and store the packaging material in a safe place 2 Turn the switch over and attach the four rubber feet to the bottom of the switch as shown in Figure 6 Figure 6 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 ventilati...

Страница 32: ...ket on one side of the switch using a Phillips screwdriver and four of the rack mount screws included with the switch Figure 7 and Figure 8 illustrate installing the brackets on the AT FS750 16 and AT FS750 24 Switches respectively Figure 7 Attaching the Rack Mount Bracket to the AT FS750 16 Switch Figure 8 Attaching the Rack Mount Bracket to the AT FS750 24 Switch 3 Repeat step 2 to attach the re...

Страница 33: ...n a standard 19 inch equipment rack using the four large screws included Figure 9 and Figure 10 show how to mount the AT FS750 16 and AT FS750 24 Switches respectively Figure 9 Mounting the AT FS750 16 Switch in an Equipment Rack Figure 10 Mounting the AT FS750 24 Switch in an Equipment Rack 839 865 ...

Страница 34: ...ransceiver Note You should always install the transceiver before connecting the fiber optic cables to it 1 Remove the transceiver from its shipping container and store the packaging material in a safe location Warning An SFP transceiver can be damaged by static electricity Be sure to observe all standard electrostatic discharge ESD precautions such as wearing an antistatic wrist strap to avoid dam...

Страница 35: ...ceiver and prevents it from being dislodged from the slot Figure 13 Positioning the SFP Handle in the Upright Position 6 Repeat steps 2 through 5 to install another SFP transceiver Note SFP transceivers 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 Note Unnecessary ...

Страница 36: ...Chapter 2 Installation 36 For information on the cable specifications of the SFP transceiver consult the documentation shipped with the device ...

Страница 37: ...have activated the Rapid Spanning Tree Protocol on the switch Data loops can adversely affect network performance If you are creating a port trunk configure the switch s management software before connecting the cables of the trunk to the switch Otherwise a network loop will result which can adversely affect network performance In order for a switch port to successfully Auto Negotiate its duplex m...

Страница 38: ...all outlet 3 Verify that the POWER LED is green If the LED is OFF refer to Chapter 3 Troubleshooting on page 39 The switch is now powered on and ready for network operations For information on how to manage the switch refer to the AT S80 Management Software User s Guide Warning Power cord is used as a disconnection device To de energize equipment disconnect the power cord E3 Pluggable Equipment Th...

Страница 39: ...t the unit to another power source Use a different power cord Verify that the voltage from the power source is within the required levels for your region 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 properly Verify that the twisted pair cable is securely connected to the port...

Страница 40: ...Chapter 3 Troubleshooting 40 ...

Страница 41: ...16 2 22 kg 4 9 lbs AT FS750 24 3 06 kg 6 75 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 non condensing Storage Humidity 5 to 95 non condensing Operating Altitude Range Up to 3 000 m 9 843 ft Power Specifications Input Supply Voltage 100 240 VAC 50 60 Hz Power Consumption AT FS750 16 12 5 ...

Страница 42: ...t Pinouts This section lists the connectors and connector pinouts for the AT GS950 16 and AT GS950 24 switches and their components Figure 15 illustrates the pin layout for an RJ 45 connector and port Figure 15 RJ 45 Connector and Port Pin Layout Table 6 lists the RJ 45 pin signals when a twisted pair port is operating in the MDI configuration Table 6 MDI Pin Signals 10Base T or 100Base TX Pin Sig...

Страница 43: ... configuration Table 8 lists the RJ 45 connector pins and their signals when a 1000Base T port is operating at 1000 Mbps Table 7 MDI X Pin Signals 10Base T or 100Base TX Pin Signal 1 RX 2 RX 3 TX 6 TX Table 8 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 44: ...Appendix A Technical Specifications 44 ...

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