Page 3 - Electrical Safety and Emissions Standards
3 Electrical Safety and Emissions Standards This product meets the following standards. RFI Emissions FCC Part 15 Class A CISPR 22 Class AEN55022:2006/A:2007 Class A Immunity EN55024 Electrical Safety EN60950 (TUV) T-Mark UL 60950 ( C UL US ) C-TICKCE Environmental Compliance EU-RoHS compliantWEEECh...
Page 4 - Translated Safety Statements
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.
Page 5 - Contents
5 Preface ................................................................................................................................................................................ 11 Symbol Conventions ..............................................................................................
Page 7 - Figures
7 Figure 1. AT-GS900/8PS Front Panel ................................................................................................................................. 18Figure 2. Back Panel .................................................................................................................
Page 9 - Tables
9 Table 1. Twisted Pair Cable Specifications for the AT-GS900/8PS ................................................................................... 19Table 2. System LED ...................................................................................................................................
Page 11 - Preface
11 Preface This guide contains the installation instructions for the AT-GS900/8PS Gigabit Ethernet POE+ Switch. This preface contains the following sections: “Symbol Conventions” on page 12 “Contacting Allied Telesis” on page 13
Page 12 - Symbol Conventions
Preface 12 Symbol Conventions This document uses the following conventions: Note Notes provide additional information. Caution Cautions inform you that performing or omitting a specific action may result in equipment damage or loss of data. Warning Warnings inform you that performing or omitting a s...
Page 13 - Contacting Allied Telesis
AT-GS900/8PS Switch Installation Guide 13 Contacting Allied Telesis If you need assistance with this product, you may contact Allied Telesis technical support by going to the Support & Services section of the Allied Telesis web site at www.alliedtelesis.com/support. You can find links for the fo...
Page 15 - Chapter 1; Overview
15 Chapter 1 Overview This chapter describes the AT-GS900/8PS Layer 2 Gigabit Ethernet Switch. The sections in the chapter are. “Features” on page 16 “Front and Back Panels” on page 18 “Twisted Pair Ports” on page 19 “SFP Port” on page 21 “LEDs” on page 22 “Power Over Ethernet” on page 2...
Page 16 - Features
Chapter 1: Overview 16 Features Here are the hardware features of the AT-GS900/8PS Gigabit Ethernet Switch. General Supports 18 Gbps non-blocking switch fabric Transparent to VLAN packets Support for jumbo frames up to 9216 bytes at 100% forwarding rate Twisted Pair Ports 8 ports 10Base-TX...
Page 18 - Front and Back Panels
Chapter 1: Overview 18 Front and Back Panels Figure 1 illustrates the front panel of the AT-GS900/8PS Gigabit Ethernet Switch. Figure 1. AT-GS900/8PS Front Panel The switch back panel is illustrated in Figure 2. Figure 2. Back Panel Port 10/100/1000Base-TTwisted Pair Ports AT-GS900/8 PoE Limit LEDs ...
Page 19 - Twisted Pair Ports; Cable; Mode
AT-GS900/8PS Switch Installation Guide 19 Twisted Pair Ports The AT-GS900/8PS Gigabit Ethernet Switch features 8 twisted pair ports, respectively, that are 10Base-T, 100Base-TX, and 1000Base-T compliant. The port speeds and duplex modes are determined automatically with IEEE 802.3u Auto-Negotiation....
Page 20 - Flow Control and
Chapter 1: Overview 20 Auto-Negotiation Mode Each AT-GS900/8PS switch port is configured for Auto-Negotiation mode which determines the speed and duplex mode. Each end-node connected to a twisted-pair port should also be configured for Auto-Negotiation mode. This insures that the speed and duplex mo...
Page 21 - SFP Port
AT-GS900/8PS Switch Installation Guide 21 SFP Port The AT-GS900/8PS features one SFP uplink port (Port 9). This port is capable of supporting one 1000SX/LX SFP module. Refer to the AT-GS900/8PS product data sheet for information concerning the specific SFP models supported and fiber cable specificat...
Page 22 - LEDs
Chapter 1: Overview 22 LEDs The System, PoE, 10/100/1000Base-T and SFP LEDs are shown in Figure 3. Figure 3. AT-GS900/8PS LEDs Table 2 describes the system LED. Table 3 describes the Power over Ethernet (PoE) LEDs: Table 2. System LED LED State Description POWER Solid Green The input AC power is wit...
Page 25 - Power Over Ethernet; PoE Standards
AT-GS900/8PS Switch Installation Guide 25 Power Over Ethernet The AT-GS900/8PS switch features Power over Ethernet (PoE) only on ports 1 - 4. PoE is used to supply power to network devices over the same twisted pair cables that carry the network traffic. The main advantage of PoE is that it can make...
Page 27 - Exceeding PoE
AT-GS900/8PS Switch Installation Guide 27 PoE Port Prioritization If the power requirements of the powered devices exceed the switch’s power budget (75 W), the switch denies power to one or more PoE ports based on a process called port prioritization. The port priority is based on the port number wi...
Page 30 - Power Supply
Chapter 1: Overview 30 Power Supply The switch has an internal power supply with a single AC power supply socket on the back panel and autoswitch AC inputs. 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 Fo...
Page 31 - Chapter 2; Installation
31 Chapter 2 Installation This chapter contains the following sections: “Reviewing Safety Precautions” on page 32 “Selecting a Site for the Switch” on page 34 “Unpacking the Switch” on page 35 “Installing the Switch on a Desktop” on page 37 “Installing the Switch in an Equipment Rack” on p...
Page 32 - Reviewing Safety Precautions
32 Reviewing Safety Precautions Please review the following safety precautions before you begin to install the chassis or any of its components. Note The indicates that a translation of the safety statement is available in a PDF document titled Translated Safety Statements. See “Contacting Allied ...
Page 34 - Selecting a Site for the Switch
Chapter 2: Installation 34 Selecting a Site for the Switch Observe the following requirements when choosing a site for your switch: If you plan to install the switch in an equipment rack, verify that the rack is safely secured and will not tip over. Devices in a rack should be installed starting a...
Page 35 - Unpacking the Switch
AT-GS900/8PS Switch Installation Guide 35 Unpacking the Switch To unpack the switch, perform the following procedure: 1. Remove all of the 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 return the...
Page 37 - Installing the Switch on a Desktop
AT-GS900/8PS Switch Installation Guide 37 Installing the Switch on a Desktop You may install the AT-GS900/8PS Switch on a desktop or in a standard 19-inch equipment rack. To install the switch in a rack, refer to “Installing the Switch in an Equipment Rack” on page 38. To place the switch on a deskt...
Page 38 - Installing the Switch in an Equipment Rack
Chapter 2: Installation 38 Installing the Switch in an Equipment Rack To install the switch in a standard 19-inch equipment rack, perform the following procedure: 1. If the rubber feet are attached to the bottom of the switch, remove them using a flat-head screwdriver. 2. Attach the two rack mount b...
Page 40 - Installing the Switch on a Wall
Chapter 2: Installation 40 Installing the Switch on a Wall To install the switch on a wall, perform the following procedure: 1. Turn the switch over and place it on a table. 2. If the rubber feet are attached to the bottom of the switch, remove them using a flat-head screwdriver. 3. Orient the brack...
Page 43 - Installing Optional SFP Transceiver
AT-GS900/8PS Switch Installation Guide 43 Installing Optional SFP Transceiver To install an SFP transceiver, perform the following procedure: Note You should always install the transceiver before connecting the fiber optic cables to it. Note The transceiver can be hot-swapped; you do not need to pow...
Page 45 - Cabling the Switch
AT-GS900/8PS Switch Installation Guide 45 Cabling the Switch Observe the following guidelines when connecting twisted pair and fiber optic cables to the ports on the switch: The cable specifications for the twisted pair ports are given in Table 1 on page 19 Refer to the cable specifications are ...
Page 46 - Powering On the Switch
Chapter 2: Installation 46 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 13. Figure 13. Plugging in the AC Power Cord 2. Plug the other end of the power cord into a wall...
Page 47 - Chapter 3; Troubleshooting; Power LED OFF
AT-GS900/8PS Switch Installation Guide 47 Chapter 3 Troubleshooting This chapter contains information on how to troubleshoot the switch if a problem occurs. The following problems are addressed: “Power LED OFF” “Twisted Pair Port LINK/ACT LED Off” “SFP Port LINK/ACT LED Off” on page 48 “Slow...
Page 48 - SFP Port LINK/ACT LED Off
Chapter 3: Troubleshooting 48 the following: Verify that the network device connected to the twisted pair port is powered on and is operating properly. Verify that the twisted pair cable is securely connected to the switch port and to the port on the remote network device. Verify that the port...
Page 49 - Slow Network Performance; LINK/ACT LED Intermittently Blinking
AT-GS900/8PS Switch Installation Guide 49 a different cable. If the port is able to establish a link, then the problem is with the cable or with the other network device. If the remote network device is a managed device, use its management firmware to determine whether its port is enabled. Test ...
Page 50 - Powered Device Not Receiving Power
Chapter 3: Troubleshooting 50 Powered Device Not Receiving Power Problem: Port’s PoE LED is OFF Solutions: If a powered device (PD) is not receiving power from the AT-GS900/8PS switch and the port’s PoE LED is off, do the following: Verify that the AT-GS900/8PS is has AC power and the Power LED is...
Page 51 - Resetting Blinking PoE Port LED
AT-GS900/8PS Switch Installation Guide 51 Resetting Blinking PoE Port LED To reset a blinking PoE port LED, perform the following steps: 1. Turn the switch power off by disconnecting the AC power cord. 2. If the total PoE power from all the powered devices connected to the switch is greater than 70 ...
Page 53 - Appendix A; Technical Specifications; Physical Specifications
AT-GS900/8PS Switch Installation Guide 53 Appendix A Technical Specifications The following specifications are for the AT-GS950/8 Gigabit Ethernet PoE switch. Physical Specifications Environmental Specifications Power Specifications Table 7. Physical Specifications Dimensions (H x W x D) 280 mm x 18...
Page 54 - PoE Specifications; Safety and Electromagnetic Emissions Certifications
Appendix A: Technical Specifications 54 PoE Specifications Note For an explanation of these PoE specifications, see “Power Over Ethernet” on page 25. Safety and Electromagnetic Emissions Certifications Table 10. PoE Specifications Ports Ports 1, 2, 3, 4 Port Priority: Port 1 (Highest) and Port 4 (Lo...
Page 55 - Connectors and Port Pinouts
AT-GS900/8PS Switch Installation Guide 55 Connectors and Port Pinouts This section lists the connectors and connector pinouts. Figure 14 illustrates the pin layout for an RJ-45 connector and port. Figure 14. RJ-45 Connector and Port Pin Layout Table 12 lists the RJ-45 pin signals when a twisted pair...
