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Summary of Contents for Allied Telesis AT-GS900/8PS
- Page 1 AT-GS900/8PS Gigabit Ethernet POE+ Switch AT-GS900/8PS Installation Guide PN 613-001687 Rev. A...
- Page 2 Telesis, Inc. be liable for any incidental, special, indirect, or consequential damages whatsoever, including but not limited to lost profits, arising out of or related to this manual or the information contained herein, even if Allied Telesis, Inc. has been advised of, known, or should have known, the possibility of such damages.
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Page 3: Electrical Safety And Emissions Standards
Electrical Safety and Emissions Standards This product meets the following standards. U.S. Federal Communications Commission Radiated Energy Note: This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of FCC Rules. -
Page 4: Translated Safety Statements
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: Table Of Contents
Contents Preface ....................................11 Symbol Conventions ..............................12 Contacting Allied Telesis ...............................13 Chapter 1: Overview ................................15 Features ..................................16 General ..................................16 Twisted Pair Ports ..............................16 LEDs ..................................16 PoE Ports ................................16 SFP Slots ................................16 Power over Ethernet ..............................17 Installation Options..............................17 Power Conservation ...............................17 MAC Address Table ...............................17 Dimensions ................................17... - Page 6 Contents Slow Network Performance ............................49 LINK/ACT LED Intermittently Blinking ...........................49 Powered Device Not Receiving Power ..........................50 Resetting Blinking PoE Port LED...........................51 Appendix A: Technical Specifications ..........................53 Physical Specifications ..............................53 Environmental Specifications............................53 Power Specifications ..............................53 PoE Specifications.................................54 Safety and Electromagnetic Emissions Certifications....................54 Connectors and Port Pinouts............................55...
- Page 7 Figures Figure 1. AT-GS900/8PS Front Panel ..........................18 Figure 2. Back Panel ................................18 Figure 3. AT-GS900/8PS LEDs ............................22 Figure 4. AT-GS900/8PS Switch Items ..........................36 Figure 5. Attaching the Rubber Feet ...........................37 Figure 6. Attaching the Rack-Mount Brackets to the Switch....................38 Figure 7. Mounting the Switch in an Equipment Rack ......................39 Figure 8.
- Page 8 Figures...
- Page 9 Tables Table 1. Twisted Pair Cable Specifications for the AT-GS900/8PS ...................19 Table 2. System LED ................................22 Table 3. Power over Ethernet LEDs ...........................22 Table 4. 10/100/1000Base-T Port LEDs ..........................23 Table 5. SFP Slot LEDs ..............................24 Table 6. IEEE Powered Device Classes ..........................26 Table 7.
- Page 10 Tables...
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Page 11: Preface
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 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 specific action may result in bodily injury. -
Page 13: Contacting Allied Telesis
AT-GS900/8PS Switch Installation Guide 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... - Page 14 Preface...
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Page 15: Chapter 1: Overview
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 ... -
Page 16: Features
Chapter 1: Overview 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 ... -
Page 17: Power Over Ethernet
AT-GS900/8PS Switch Installation Guide Power over PoE and PoE+ supported on the 10/100/1000Base-T ports 1 - 4 on the AT-GS900/8PS switch Ethernet Supports powered device classes 0 through 4 Max power limit of 75 watts for the switch ... -
Page 18: Front And Back Panels
Chapter 1: Overview Front and Back Panels Figure 1 illustrates the front panel of the AT-GS900/8PS Gigabit Ethernet Switch. AT-GS900/8 System Port 10/100/1000Base-T 1000M PoE Limit LEDs SFP Slot LEDs Twisted Pair Ports LEDs Figure 1. AT-GS900/8PS Front Panel The switch back panel is illustrated in Figure 2. -
Page 19: Twisted Pair Ports
The twisted pair ports feature 8-pin RJ-45 connectors. For the port pinouts, refer to “Connectors and Port Pinouts” on page 55. Cable The cable requirements for the ports on the AT-GS900/8PS are listed in Table 1. Specifications Table 1. Twisted Pair Cable Specifications for the AT-GS900/8PS... -
Page 20: Auto-Negotiation Mode
This insures that the speed and duplex mode is matched on each end. Note If an end-node connected to a AT-GS900/8PS twisted-pair port is set to a fixed speed and duplex, a speed and duplex mismatch may occur which can cause a reduction in the data flow. -
Page 21: Sfp Port
1000SX/LX SFP module. Refer to the AT- GS900/8PS product data sheet for information concerning the specific SFP models supported and fiber cable specifications. See “Contacting Allied Telesis” on page 13 for a link to the AT-GS900/8PS product page. -
Page 22: Leds
Chapter 1: Overview 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 2. System LED State Description Solid Green The input AC power is within the normal POWER operating range. -
Page 23: Table 4. 10/100/1000Base-T Port Leds
AT-GS900/8PS Switch Installation Guide Table 3. Power over Ethernet LEDs Total PoE delivered power is between 70 W and 75 W (Guard Band). While in this state, Solid Green demand for PoE power to any additional PoE ports will be denied. -
Page 24: Table 5. Sfp Slot Leds
Chapter 1: Overview Table 5 describes the LEDs for the SFP slots. Table 5. SFP Slot LEDs State Description Solid Green The SFP transceiver has established a link with a network device, but is not transmitting or receiving network packets. L/A (link/ Blinking The SFP transceiver is transmitting or... -
Page 25: Power Over Ethernet
AT-GS900/8PS Switch Installation Guide 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. -
Page 26: Poe Powered Device Classes
6.49W to 12.95W 30.0W 12.95W to 25.5W PoE Power The AT-GS900/8PS switch has a power budget of 75 watts. This is the maximum amount of power the switch can provide at one time to the Budget powered devices. The sum of the power requirements of each of the PoE devices connected to the switch determines the maximum number of devices that the switch can support at one time. -
Page 27: Poe Port Prioritization
1 and the lowest priority assigned to port 4. For example, this occurs if your AT-GS900/8PS switch is powered off when you connect four powered devices to the PoE ports which require more than 75 W of combined power. - Page 28 Chapter 1: Overview Note To reset a blinking PoE port LED, see “Resetting Blinking PoE Port LED” on page 51. Note In addition, a blinking POE LED can indicate that a PoE port has a short circuit.
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Page 29: Wiring Implementation
1, 2, 3, and 6. With Alternative B, the power is provided over the strands connected to pins 4, 5, 7, and 8. The ports on the AT-GS900/8PS switch delivers the power using pins 1, 2, 3, and 6, which corresponds to Alternative A in the IEEE 802.3af standard. -
Page 30: Power Supply
Chapter 1: Overview 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. -
Page 31: Chapter 2: Installation
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 ... -
Page 32: Reviewing Safety Precautions
available in a PDF document titled Translated Safety Statements. See “Contacting Allied Telesis” on page 13 Warning To prevent electric shock, do not remove the cover. No user- serviceable parts inside. This unit contains hazardous voltages and should only be opened by a trained and qualified technician. - Page 33 AT-GS900/8PS Switch Installation Guide Operating Temperature. This product is designed for a maximum ambient temperature of 40° degrees C. All Countries: Install product in accordance with local and National Electrical Codes. Circuit Overloading: Consideration should be given to the...
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Page 34: Selecting A Site For The Switch
Chapter 2: Installation 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 at the bottom, with the heavier devices near the bottom of the rack. -
Page 35: Unpacking The Switch
AT-GS900/8PS Switch Installation Guide 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 unit to Allied Telesis. -
Page 36: Figure 4. At-Gs900/8Ps Switch Items
Chapter 2: Installation 3. Verify that the shipping container includes the AT-GS900/8PS Switch and the items shown below in Figure 4. Two equipment brackets (for wall or rack installation) Eight bracket screws (for wall or rack installation) Four wall anchors (for wall... -
Page 37: Installing The Switch On A Desktop
AT-GS900/8PS Switch Installation Guide 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. -
Page 38: Installing The Switch In An Equipment Rack
Chapter 2: Installation 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. -
Page 39: Figure 7. Mounting The Switch In An Equipment Rack
AT-GS900/8PS Switch Installation Guide Figure 7. Mounting the Switch in an Equipment Rack 4. Go to “Installing Optional SFP Transceiver” on page 43 or “Cabling the Switch” on page 45. -
Page 40: Installing The Switch On A Wall
Chapter 2: Installation 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. -
Page 41: Figure 9. Marking The Screw Hole Locations
AT-GS900/8PS Switch Installation Guide Figure 9. Marking the Screw Hole Locations 5. Install the four plastic anchors included with the switch into the wall, at the locations marked in the previous step. The anchors require 0.635 mm (0.25 in.) holes. -
Page 42: Figure 10. Securing The Switch To The Wall
Chapter 2: Installation Figure 10. Securing the Switch to the Wall 7. Go to “Installing Optional SFP Transceiver” on page 43 or “Cabling the Switch” on page 45. -
Page 43: Installing Optional Sfp Transceiver
AT-GS900/8PS Switch Installation Guide 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 power off the switch to install a transceiver. -
Page 44: Figure 12. Inserting The Sfp
Chapter 2: Installation 4. With the handle on the transceiver oriented towards the top of the switch, slide the transceiver into the SFP slot until it clicks into place. See Figure 12 Figure 12. Inserting the SFP 5. Verify that the handle on the transceiver is in the upright position or oriented towards the top of the switch. -
Page 45: Cabling The Switch
AT-GS900/8PS Switch Installation Guide 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 included in the SFP module ... -
Page 46: Powering On The Switch
Chapter 2: Installation 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. -
Page 47: Chapter 3: Troubleshooting
“Resetting Blinking PoE Port LED” on page 51 Note For further assistance, please contact Allied Telesis Technical Support at www.alliedtelesis.com/support. Power LED OFF Problem: The POWER LED on the front of the switch is off. Solutions: The unit is not receiving power. Try the following: Verify that the power cord is securely connected to the power ... -
Page 48: Sfp Port Link/Act Led Off
Chapter 3: Troubleshooting 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 is connected to the correct twisted pair cable. -
Page 49: Slow Network Performance
Solution: There might be a duplex mode mismatch between the port and the network device. Since the AT-GS900/8PS copper ports are always configured for Auto-Negotiation, they will default to half duplex mode if the corresponding link partner is configured for a fixed duplex mode. -
Page 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 ... -
Page 51: Resetting Blinking Poe Port Led
AT-GS900/8PS Switch Installation Guide 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 W, reduce the total PoE load until it is less than 70 W. - Page 52 Chapter 3: Troubleshooting...
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Page 53: Appendix A: Technical Specifications
AT-GS900/8PS Switch Installation Guide Appendix A Technical Specifications The following specifications are for the AT-GS950/8 Gigabit Ethernet PoE switch. Physical Specifications Table 7. Physical Specifications Dimensions (H x W x D) 280 mm x 180 mm x 44 mm (11.0 in x 7.1 in x 1.7 in) Weight 1.52 kg (3.35 lbs) -
Page 54: Poe Specifications
Appendix A: Technical Specifications PoE Specifications Table 10. PoE Specifications Ports Ports 1, 2, 3, 4 Port Priority: Port 1 (Highest) and Port 4 (Lowest) Standard Supports both IEEE 802.3at and IEEE 802.3af Mode Alternate A Max Power Limit per port Max Power Limit PoE Guard Band 70W to 75 W... -
Page 55: Connectors And Port Pinouts
AT-GS900/8PS Switch Installation Guide 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 port is operating in the MDI configuration. -
Page 56: Table 14. Rj-45 1000Base-T Connector Pinouts
Appendix A: Technical Specifications Table 14 lists the RJ-45 connector pins and their signals when a 1000Base-T port is operating at 1000 Mbps. Table 14. RJ-45 1000Base-T Connector Pinouts Pair Signal TX and RX+ TX and RX- TX and RX+ TX and RX+ TX and RX- TX and RX-...
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