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
4 Translated Safety 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.
Page 5 - Contents
5 Contents Preface ................................................................................................................................................................................ 11 Safety Symbols Used in this Document....................................................................
Page 7 - Figures
7 Figures Figure 1. AT-8516F/SC Switch Front and Back Panels 9Figure 2. AT-8524M Switch Front and Back Panels 10Figure 3. AT-8524POE Switch Front and Back Panels 11Figure 4. AT-8550GB Switch Front and Back Panels 12Figure 5. AT-8550SP Switch Front and Back Panels 13Figure 6. GBIC Module 21Figure 7. ...
Page 9 - Tables
9 Table 1. Safety Symbols ..................................................................................................................................................... 12Table 2. Model Configurations ...............................................................................................
Page 12 - Safety Symbols Used in this Document; Symbol
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
AT-8500 Series Layer 2+ Fast Ethernet Switches 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 downloa...
Page 14 - Contacting Allied Telesis; warranty
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 The AT-8500 Series switches are managed, Layer 2+ Fast Ethernet switches. These switches are designed to simplify the task of creating or expanding an Ethernet or Fast Ethernet network. This chapter contains the following sections: “Model Configurations” on page 16 “Model D...
Page 16 - Model Configurations; Model
Chapter 1: Overview 16 Model Configurations Table 2 lists the basic model configurations. Table 2. Model Configurations Model Configuration AT-8516F/SC 16 100Base-FX ports with dual SC connectors plus two expansion slots for optional fiber optic and twisted pair port expansion modules. AT-8524M 24 1...
Page 17 - Model Descriptions
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 17 Model Descriptions AT-8516F/SC The AT-8516F/SC switch has 16 100Base-FX fiber optic ports with dual SC connectors. The ports operate at 100 Mbps, half- or full-duplex mode, and have a maximum operating distance of 2 kilometers (1.2...
Page 20 - Note
Chapter 1: Overview 20 AT-8550GB The AT-8550GB switch has 48 10/100Base-TX twisted pair ports, capable of operating at either 10 or 100 Mbps, with RJ-45 connectors. These ports have a maximum operating distance of 100 meters (328 feet) using Category 3 or better 100 ohm twisted pair cable for 10Base...
Page 22 - Port Descriptions; Twisted Pair; Type of Connector; Duplex Mode
Chapter 1: Overview 22 Port Descriptions This section provides information on the following port types found on the AT-8500 Series switches: “10/100Base-TX Twisted Pair Ports,” next “10/100/1000Base-T Twisted Pair Ports” on page 24 “100Base-FX Fiber Optic Ports” on page 25 10/100Base-TX Twiste...
Page 23 - Maximum Distance; Port Pinouts
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 23 Note In order for a switch port to successfully Auto-Negotiate its duplex mode with an end node, the end node should also be using Auto-Negotiation. Otherwise, a duplex mode mismatch can occur. A switch port using Auto-Negotiation ...
Page 25 - Fiber Optic Ports
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 25 For 10 Mbps, the port requires Category 3 or better 100 ohm shielded or unshielded twisted pair cabling. For 100 or 1000 Mbps operation, the ports require Category 5 or Enhanced Category 5 (5E) 100 ohm shielded or unshielded twiste...
Page 27 - Power Over Ethernet; Power Budgeting
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 27 Power Over Ethernet The following discussion applies only to the AT-8524POE switch. The twisted pair ports on the AT-8524POE switch feature Power over Ethernet (PoE). PoE is a mechanism for supplying power to network devices over t...
Page 28 - Implementation
Chapter 1: Overview 28 described in Table 3. . A port connected to a network node that is not a powered device (that is, a device that receives its power from another power source) functions as a regular Ethernet port, without PoE. The PoE feature remains enabled on the port but no power is delivere...
Page 29 - GBIC and SFP Slots
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 29 GBIC and SFP Slots The AT-8550GB switch has two GBIC slots, and AT-8550SP switch has two SFP slots. The slots are labelled Port 49 and Port 50. Each slot can accommodate one optional fiber optic Gigabit Interface Converter (GBIC) o...
Page 30 - Module Expansion Slots
Chapter 1: Overview 30 Module Expansion Slots The AT-8516F/SC, AT-8524M, and AT-8524POE switches have two expansion slots. Each slot can accommodate an expansion module. You can use the slots to add 100Base and 1000Base fiber optic and twisted pair ports to the switch. Note For a list of the Allied ...
Page 31 - LEDs; Twisted Pair Port
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 31 LEDs This section provides information on the LEDs found on the AT-8500 Series switches: “Twisted Pair Port LEDs and the LED Mode Select Button,” next “Fiber Optic Port LEDs” on page 34 “GBIC and SFP Expansion Slot LEDs” on p...
Page 34 - LED
Chapter 1: Overview 34 Fiber Optic Port LEDs This section applies to the AT-8516F/SC switch. The fiber optic ports on an AT-8516F/SC switch have two LEDs, labeled L/A and D/C. The LEDs Mode - DC OFF Indicates that the port has not established a valid link with its end node. Steady Green Indicates th...
Page 35 - GBIC and SFP
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 35 are defined in Table 7. Note The AT-8516F/SC switch does not have an LED Mode Select button. GBIC and SFP Expansion Slot LEDs The GBIC and SFP slots on the AT-8550GB and AT-8550SP switches, respectively, have two LEDs. The LEDs dis...
Page 36 - System LEDs
Chapter 1: Overview 36 System LEDs The system LEDs on the front panel display general status information, as described in Table 9. Mode - SPD Solid Green Indicates that the port is operating at 1000 Mbps. Mode - FDX OFF Indicates that the port is operating in half-duplex mode. Solid Green Indicates ...
Page 38 - Power Options and Connectors; RPS Connector
Chapter 1: Overview 38 Power Options and Connectors This section provides information about the power options and features on the AT-8500 Series switches: “RPS Connector,” next “AC Power Connector” on page 39 “DC Power Connector” on page 39 RPS Connector The RPS connector on the back panel of ...
Page 39 - AC Power
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 39 AC Power Connector The switch has a single AC power supply socket on the back panel, which has autoswitch AC inputs. To power the switch on or off, you connect or disconnect the power cord. Refer to Appendix A, “Technical Specifica...
Page 40 - A Few Basics about Ethernet Switching; MAC Address
Chapter 1: Overview 40 A Few Basics about Ethernet Switching 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...
Page 41 - Store and
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 41 transmits data. If an 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 e...
Page 43 - Network Topologies; Power; Topology
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 43 Network Topologies This section illustrates several of the network topologies you can create with the AT-8500 Series Fast Ethernet switch. Power Workgroup Topology The topology shown in Figure 9 is commonly referred to as a power w...
Page 44 - Mixed Topology
Chapter 1: Overview 44 Figure 10. Collapsed Backbone Topology Mixed Topology You can always combine topologies as well as build a larger network by connecting different switches together. If the switches are within 100 meters (328 feet) of each other, you can use the twisted pair ports. If the switc...
Page 47 - Chapter 2; Installation
47 Chapter 2 Installation This chapter provides the installation procedures for the switch and contains the following sections: “Reviewing Safety Precautions” on page 48 “Selecting a Site for the Switch” on page 51 “Planning the Installation” on page 52 “Unpacking the Switch” on page 54 “I...
Page 48 - Reviewing Safety Precautions
Chapter 2: Installation 48 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” ...
Page 49 - Warning
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 49 Warning: As a safety precaution, install a circuit breaker with a minimum value of 15 Amps between the equipment and the DC power source. Always connect the wires to the LAN equipment first before you connect the wires to the circu...
Page 51 - Selecting a Site for the Switch
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 51 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, check to be sure that the rack is safely secured and that it will no...
Page 52 - Planning the Installation
Chapter 2: Installation 52 Planning the Installation Table 10 contains the cabling specifications for the twisted pair ports. Note The twisted pair ports on the switch feature auto-MDI/MDI-X. They configured themselves automatically as MDI or MDI-X when connected to an end node. This allows you to u...
Page 54 - Unpacking the Switch
Chapter 2: Installation 54 Unpacking the Switch To unpack the 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 return the unit to Allied Telesi...
Page 55 - Installing the Switch in a Rack
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 55 Installing the Switch in a Rack The switch is shipped with two brackets for mounting the unit in a rack. The brackets can be attached to the chassis four ways. You can install the chassis so that it is flush with the front of the r...
Page 58 - Installing an Optional Expansion or Stacking Module
Chapter 2: Installation 58 Installing an Optional Expansion or Stacking Module This section describes how to install an optional expansion or stacking module in the switch and applies to the AT-8516F/SC, AT-8524M, and AT-8524POE models. Note The modules can be hot-swapped; you do not have to power o...
Page 60 - Installing an Optional GBIC
Chapter 2: Installation 60 Installing an Optional GBIC To install an optional GBIC in an AT-8550GB switch, perform the following procedure: Note A GBIC can be hot-swapped; you do not have to power off a switch to install it. 1. Remove the GBIC from its shipping container and store the packaging mate...
Page 62 - Installing an Optional SFP Transceiver
Chapter 2: Installation 62 Installing an Optional SFP Transceiver To install an optional SFP transceiver in an AT-8550SP switch, perform the following procedure: Note An SFP transceiver can be hot-swapped; you do not have to power off a switch to install it. 1. Unpack the SFP transceiver from its sh...
Page 64 - Cabling the Switch; Cabling Twisted
Chapter 2: Installation 64 Cabling the Switch To connect the data cables to the switch ports and to apply power to the switch, perform the following procedure: Cabling Twisted Pair Ports If your AT-8500 Series switch has twisted pair ports, perform the following procedure: 1. Connect the twisted pai...
Page 65 - Cabling Fiber
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 65 instructions on how to configure a port trunk, refer to the AT-S62 Management Software User’s Guides . When you connect a device to a port on an AT-8524POE switch, the port automatically determines whether the node is a powered d...
Page 67 - Cabling
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 67 remote end node. For example, you cannot connect a fiber optic port with a maximum distance of 2 kilometers and an operating wavelength of 1310 nm to another fiber optic port that has a maximum distance of 40 kilometers (24.8 miles...
Page 68 - Powering on an AC Powered Switch
Chapter 2: Installation 68 Powering on an AC Powered Switch To power on an AC powered switch, perform the following procedure: Note If you are installing a DC powered switch, go to “Wiring and Powering on an DC Powered Unit” on page 70. 1. Select the correct power cord for your country. 2. Plug the ...
Page 70 - Wiring and Powering on an DC Powered Unit
Chapter 2: Installation 70 Wiring and Powering on an DC Powered Unit To provide power for a DC powered switch, perform the following steps: 1. Before you attach wires to the DC terminal block at the rear of the switch, review the following warning: Warning As a safety precaution, install a circuit b...
Page 73 - Starting a Local Management Session
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 73 Starting a Local Management Session The procedure in this section explains how to start a local (out-of-band) management session using the RS-232 terminal port on the switch. You can use a local management session to configure the ...
Page 74 - boot
Chapter 2: Installation 74 Parity: None Stop bits: 1 Flow control: None Note The port settings are for a DEC VT100 or ANSI terminal, or an equivalent terminal emulator program. Note When you reset or power cycle the switch during a local management session, you will see the following prompt: P...
Page 75 - Warranty Registration
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 75 Warranty Registration When you have finished installing the switch, fill out the enclosed warranty card and mail it to Allied Telesis.
Page 77 - Chapter 3; Troubleshooting; PWR LED is Off; Twisted Pair Port Link LED is Off
77 Chapter 3 Troubleshooting This chapter contains information on how to troubleshoot the switch in the event that a problem occurs. If after following the instructions in this chapter you are unable to resolve the problem, contact Allied Telesis Technical Support for assistance. Refer to “Contactin...
Page 78 - Fiber Optic Port Link LED is Off
Chapter 3: Troubleshooting 78 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 and 1000 Mbps operations. Determine if a crossover cable is required. Since the twisted pair ports featur...
Page 79 - PoE Device is Not Receiving Power; Fault LED is On Continuously
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 79 example, you cannot connect a fiber optic port with a maximum distance of 40 kilometers (24.8 miles) and an operating wavelength of 1550 nm to a remote fiber optic port with an maximum distance of only 2 kilometers (1.24 miles) and...
Page 80 - Cannot Establish a Local Management Session
Chapter 3: Troubleshooting 80 Check the FAULT LED. During normal operations, the LED remains off, except for periods when the management software is saving a change to its configuration. If it remains on for an extended period, do the following: Try resetting the switch by disconnecting and reconn...
Page 81 - Appendix A; Technical Specifications; Physical Specifications
81 Appendix A Technical Specifications Physical Specifications AT-8516F/SC and AT-8524M 4.4 cm x 44.0 cm x 22.2 cm Dimensions (1.75 in. x 17.3 in. x 8.75 in.)(H x W x D) AT-8550GB and AT-8550SP 4.4 cm x 44.0 cm x 25.5 cm Dimensions (1.75 in. x 17.3 in. x 10.0 in.)(H x W x D) AT-8524POE Dimensions: 4...
Page 82 - Power Specifications
Appendix A: Technical Specifications 82 Power Specifications Input Voltage: All models except for the AT-8524POE: AC 100-240 VAC, 2A Max, 50/60 Hz DC 36-60 VDC, 4A Max AT-8524POE: AC 100-240 VAC, 6A Max, 50/60 Hz AC Input Power Consumption: All models except AT-8524POE: 74 watts Only the AT-8524POE:...
Page 83 - RJ-45 Twisted Pair Port Pinouts; Pin
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 83 RJ-45 Twisted Pair Port Pinouts Figure 29 illustrates the pin layout for an RJ-45 connector and port. Figure 29. RJ-45 Connector and Port Pin Layout Table 12 lists the RJ-45 pin signals for the 10/100Base-TX ports on the AT-8524M, ...
Page 85 - AT-8516F/SC Fiber Optic Port Specifications
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 85 AT-8516F/SC Fiber Optic Port Specifications Standard: 100Base-FX Speed: 100 Mbps Maximum Operating Distance: 2 km (1.24 mi) Connectors: AT-8516F/SC Dual SC Connector Type of Cabling: 50/125 micron or 62.5/125 micron(core/cladding) ...
Page 86 - RS-232 Terminal Port Pinouts
Appendix A: Technical Specifications 86 RS-232 Terminal Port Pinouts Table 15 lists the pin signals on the RS-232 terminal port. Table 15. RS-232 Terminal Port Pin Signals Pin Signal 1 Data Carrier Detect 2 Transmit Data 3 Receive Data 4 Data Set Ready 5 Ground 6 Data Terminal Ready 7 Clear to Send ...
Page 87 - RPS Connector Port Pinouts
AT-8500 Series Layer 2+ Fast Ethernet Switches Installation Guide 87 RPS Connector Port Pinouts Figure 30 illustrates the pin layout to the 16-pin molex connector and RPS port on the AT-8516F/SC, AT-8524M, AT-8550GB, and AT-8550SP switches. Figure 30. RPS 16-pin Molex Connector Pin Layout Table 16 l...
Page 90 - Dual SC Type Connector
Appendix A: Technical Specifications 90 Dual SC Type Connector A dual SC type connector, as shown in Figure 32, is used with the AT-8516F/SC switch. Figure 32. Dual SC Connector
