Page 3 - Electrical Safety and Emissions Standards
3 Electrical Safety and Emissions Standards This product meets the following standards. RFI Emissions FCC Class A, EN55022 Class 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 Radiate...
Page 4 - Translated Safety Statements; The
4 Translated Safety Statements Important: The indicates that a translation of the safety statement is available in a PDF document titled “Translated Safety Statements” posted on the Allied Telesis website at www.alliedtelesis.com and on the documentation CD shipped with this product.
Page 5 - Contents
5 Preface ................................................................................................................................................................................ 11 Safety Symbols Used in this Document.............................................................................
Page 7 - Figures
7 Figure 1. AT-GS900/8POE Gigabit Ethernet Switch Front and Back Panels ...................................................................... 16Figure 2. SFP Transceiver.....................................................................................................................................
Page 9 - Tables
9 Tables Table 1. Safety Symbols ..................................................................................................................................................... 12Table 2. System LED ..................................................................................................
Page 11 - Preface; “Safety Symbols Used in this Document” on page 12
11 Preface This guide provides the hardware installation instructions for your AT-GS900/8POE Fast Ethernet switch. 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
Page 12 - Safety Symbols Used in this Document; This document uses the safety symbols defined in Table 1.; Symbol; Caution
Preface 12 Safety Symbols Used in this Document This document uses 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 acti...
Page 13 - Where to Find Web-based Guides; . You can view the documents online or download
AT-GS900/8POE Fast Ethernet 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 format (PDF) on our web site at www.alliedtelesis.com . You can view the documents online or download them onto ...
Page 14 - Contacting Allied Telesis
Preface 14 Contacting Allied Telesis This section provides Allied Telesis contact information for technical support as well as sales or corporate information. Online Support You can request technical support online by accessing the Allied Telesis Knowledge Base from the following web site: www.allie...
Page 15 - Chapter 1; Overview
15 Chapter 1 Overview This chapter contains the follows sections: “Features” on page 16 “Port Descriptions” on page 17 “LEDs” on page 19 “Power Supply” on page 21 “Power over Ethernet” on page 22 “Ethernet Switching Basics” on page 24 “Network Topologies” on page 27
Page 16 - Features; One small form-factor pluggable (SFP) port to use as an uplink port
Chapter 1: Overview 16 Features The AT-GS900/8POE Gigabit Ethernet switch is an unmanaged switch with the following features: Eight Auto-Negotiating 10/100/1000Base-T twisted pair ports with Power over Ethernet (PoE) capability One small form-factor pluggable (SFP) port to use as an uplink port ...
Page 17 - Port Descriptions; “Twisted Pair Ports,” next; Twisted Pair; Note
AT-GS900/8POE Gigabit Ethernet Switch Installation Guide 17 Port Descriptions The following sections describe the types of ports on the AT-GS900/8POE Gigabit Ethernet switch: “Twisted Pair Ports,” next “SFP Combo Port” on page 18 Twisted Pair Ports The AT-GS900/8POE Gigabit Ethernet switch featu...
Page 18 - SFP Combo Port; Figure 2 shows an example of an SFP transceiver.
Chapter 1: Overview 18 PoE ports. SFP Combo Port The AT-GS900/8POE Gigabit Ethernet switch has one SFP port that can accommodate an optional Small Form-factor Pluggable (SFP) transceiver. The AT-GS900/8POE Gigabit Ethernet switch has one SFP combo port (Port 8) that can accommodate one optional Smal...
Page 19 - LEDs
AT-GS900/8POE Gigabit Ethernet Switch Installation Guide 19 LEDs The system and port LEDs on the front panel of the AT-GS900/8POE Gigabit Ethernet switch switch display the switch and its port status information. Table 2 describes the system LED. Each twisted pair port has two LEDs, as described in ...
Page 20 - LED; Green
Chapter 1: Overview 20 Table 4 describes the SFP port LED. Table 4. SFP Port LED LED State Description L/A Green A valid link is established on the SFP module in the SFP expansion slot. Blinking Green Frames are being transmitted/received on the SFP module in the SFP expansion slot. OFF No link is e...
Page 21 - Power Supply
AT-GS900/8POE Gigabit Ethernet Switch Installation Guide 21 Power Supply The AT-GS900/8POE Gigabit Ethernet 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 c...
Page 22 - Power over Ethernet; A device that receives its power over an Ethernet cable is called a; Power Budgeting
Chapter 1: Overview 22 Power over Ethernet The twisted pair ports on the AT-GS900/8POE Gigabit Ethernet switch feature Power over Ethernet (PoE). PoE is a mechanism for supplying power to network devices over the same twisted pair cables used to carry network traffic. This feature can simplify netwo...
Page 23 - Implementation; Default
AT-GS900/8POE Gigabit Ethernet Switch Installation Guide 23 Note Power is supplied to the powered devices in the order that the ports are connected or on a first-come-first-served basis until the 65 watt limit is reached. If the switch is power cycled after the PoE devices are connected to the switc...
Page 24 - Ethernet Switching Basics; MAC Address
Chapter 1: Overview 24 Ethernet Switching Basics An Ethernet switch interconnects network devices, such as workstations, 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 y...
Page 25 - Store and
AT-GS900/8POE Gigabit Ethernet Switch Installation Guide 25 end node can receive or transmit data, but not both simultaneously, the end node is operating in what is referred to as half-duplex mode. If an end node can both receive and transmit data simultaneously, the end node is said to be operating...
Page 27 - Network Topologies; Power; Figure 3. Power Workgroup Topology
AT-GS900/8POE Gigabit Ethernet Switch Installation Guide 27 Network Topologies This section illustrates two network topologies that you can create with the AT-GS900/8POE Gigabit PoE switch: a power workgroup and collapsed backbone. Power Workgroup Topology The topology shown in Figure 3 is commonly ...
Page 28 - Figure 4. PoE Network Topology; AT; SFP
Chapter 1: Overview 28 PoE Network Topology In the topology shown in Figure 4, an AT-GS900/8POE Gigabit Ethernet switch is connected to an AT-9424T/SP Gigabit Ethernet Switch and a number of POE powered devices in different locations. Figure 4. PoE Network Topology POWER 1 2 3 4 5 6 7 8R PoE CLASS 1...
Page 29 - Chapter 2; Installation
29 Chapter 2 Installation This chapter contains the following sections: “Reviewing Safety Precautions” on page 30 “Selecting a Site for the Switch” on page 32 “Planning the Installation” on page 33 “Unpacking the Switch” on page 34 “Installing the Switch on a Table or Desktop” on page 35 ...
Page 30 - Reviewing Safety Precautions
Chapter 2: Installation 30 Reviewing Safety Precautions Review the following safety precautions before you begin to install the AT-GS900/8POE Gigabit Ethernet switch. Note The indicates that a translation of the safety statement is available in a PDF document titled “Translated Safety Statements” on...
Page 32 - Selecting a Site for the Switch; Do not place objects on top of the switch.
Chapter 2: Installation 32 Selecting a Site for the Switch Observe the following requirements when choosing a site for the AT-GS900/8POE Gigabit Ethernet switch: If you plan to install the switch in an equipment rack, be sure that the rack is safely secured and that it will not tip over. Devices i...
Page 33 - Planning the Installation; Table 6. Twisted Pair Cabling and Distances
AT-GS900/8POE Gigabit Ethernet Switch Installation Guide 33 Planning the Installation Table 6 contains the cabling specifications for the twisted pair ports. Note The twisted pair ports on the switch feature auto-MDI when operating at 10 or 100 Mbps. Each port is individually configured as MDI or MD...
Page 34 - Unpacking the Switch; Remove all components from the shipping package.; Six mounting bracket screws
Chapter 2: Installation 34 Unpacking the Switch To unpack an AT-GS900/8POE Gigabit Ethernet switch, perform the following procedure: 1. Remove all components from the shipping package. Note Store the packaging material in a safe location. You must use the original shipping material if you need to re...
Page 35 - Installing the Switch on a Table or Desktop; Remove all the items from the packaging and store the packaging
AT-GS900/8POE Gigabit Ethernet Switch Installation Guide 35 Installing the Switch on a Table or Desktop To install the switch on a table or desktop, perform the following procedure: 1. Remove all the items from the packaging and store the packaging material in a safe place. In the event a problem oc...
Page 36 - Mounting the Switch on a Wall; To mount the switch on a wall, perform the following procedure:; wall and the ports facing up.
Chapter 2: Installation 36 Mounting the Switch on a Wall You can mount the AT-GS900/8POE Gigabit Ethernet switch on the wall in a vertical position using the mounting brackets that are shipped with the switch. The wall-mounting screws, plastic anchors, and other materials necessary to mount the swit...
Page 37 - Mount the switch on the wall using the wall mounting screws (not
AT-GS900/8POE Gigabit Ethernet Switch Installation Guide 37 5. Mount the switch on the wall using the wall mounting screws (not provided), as shown in Figure 7. Figure 7. Mounting the Switch on the Wall 6. Refer to “Cabling and Powering on the Switch” on page 43 to complete the installation. 7. To p...
Page 38 - Installing the Switch in a Rack; To install the switch in a rack, perform the following procedure:
Chapter 2: Installation 38 Installing the Switch in a Rack To install the switch in a rack, perform the following procedure: 1. If attached, remove the rubber feet using a flat-head screwdriver. 2. Attach a mounting bracket (provided) to each side of the switch using the bracket mounting screws (pro...
Page 40 - Reliable earthing of rack-mounted equipment should
Chapter 2: Installation 40 Refer to “Cabling and Powering on the Switch” on page 43 to complete the installation. Warning: Reliable earthing of rack-mounted equipment should be maintained. Particular attention should be given to supply connections other than direct connections to the branch circuits...
Page 41 - Installing an Optional SFP Transceiver; You must install the transceiver before you connect cables to it.; An SFP transceiver can be damaged by static electricity.; and the alignment groove is on the bottom.
AT-GS900/8POE Gigabit Ethernet Switch Installation Guide 41 Installing an Optional SFP Transceiver To install an SFP transceiver in an AT-GS900/8POE Gigabit Ethernet switch, perform the following procedure: Note The transceiver can be hot-swapped; you do not need to power off the switch to install a...
Page 42 - Figure 10. Inserting the SFP
Chapter 2: Installation 42 4. Slide the SFP transceiver into the SFP slot on the switch, as shown in Figure 10. Figure 10. Inserting the SFP 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 slot. When you do r...
Page 43 - Cabling and Powering on the Switch; Cabling the
AT-GS900/8POE Gigabit Ethernet Switch Installation Guide 43 Cabling and Powering on the Switch This section contains the following procedures: “Cabling the Twisted Pair Ports,” next “Cabling an SFP Transceiver” on page 44 “Powering on the Switch” on page 45 Cabling the Twisted Pair Ports To co...
Page 44 - Cabling an SFP; To cable an SFP transceiver, perform the following procedure:; Class 1 laser product.; Warning; Do not stare into the laser beam.; Remove the dust cover from the SFP transceiver, as shown in
Chapter 2: Installation 44 Cabling an SFP Transceiver To cable an SFP transceiver, perform the following procedure: Warning Class 1 laser product. L1 Warning Do not stare into the laser beam. L2 Note For information about the proper cable type, refer to the documentation that accompanied the SFP tra...
Page 45 - Powering on the
AT-GS900/8POE Gigabit Ethernet Switch Installation Guide 45 2. Connect the fiber optic cable to the SFP transceiver, as shown in Figure 13. Figure 13. Connecting Fiber Optic Cables to the SFP Transceiver 3. Power on the end nodes. Powering on the Switch To power on the AT-GS900/8POE Gigabit Ethernet...
Page 46 - The switch is ready for network operations.
Chapter 2: Installation 46 If the PWR LED is OFF, refer to Chapter 3, “Troubleshooting” on page 47. The switch is ready for network operations.
Page 47 - Chapter 3; Troubleshooting; PWR LED is Off; Try connecting the unit to another power source.; LNK/ACT Port LED is Off
47 Chapter 3 Troubleshooting This chapter contains information on how to troubleshoot the switch in the event that a problem occurs. Note If after following the instructions in this chapter you are unable to resolve the problem, contact Allied Telesis Technical Support for assistance. Refer to “Cont...
Page 48 - PD ERROR LED is On
Chapter 3: Troubleshooting 48 Verify that you are using the appropriate category of twisted pair cable: Category 3 or better for 10 Mbps operation and Category 5 and Category 5E for 100 Mbps operation. PD ERROR LED is On If the PD ERROR LED is on, indicating that there is a connection error to one...
Page 49 - Appendix A; Technical Specifications; Physical Specifications
49 Appendix A Technical Specifications Physical Specifications Dimensions: (W x D x H)330 mm x 220 mm x 44 mm(13.0 in x 8.7 in x 1.7 in) Weight: 1.86 kg (4.1 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° ...
Page 50 - Safety and Electromagnetic Emissions Certifications; EMI; Laser
Appendix A: Technical Specifications 50 Safety and Electromagnetic Emissions Certifications EMI FCC Class A, EN55022 Class A, C-TICK Immunity EN55024 Electrical Safety UL 60950-1 ( C UL US ), EN 60950-1 (TUV) or VDE, CE Laser IEC/EN 60825-1, IEC/EN 60825-2
Page 51 - RJ-45 Twisted Pair Port Connectors; Figure 15 illustrates the pin layout to an RJ-45 connector and port.; Pin
AT-GS900/8POE Gigabit Ethernet Switch Installation Guide 51 RJ-45 Twisted Pair Port Connectors This section lists the connectors and connector pinouts for the AT-GS900/8POE Gigabit PoE switch and its components. Figure 15 illustrates the pin layout to an RJ-45 connector and port. Figure 15. RJ-45 Co...
