Allied Telesis AT-9408LC/SP Installation Manual
Allied Telesis AT-9408LC/SP Installation Manual

Allied Telesis AT-9408LC/SP Installation Manual

At-9400 series gigabit ethernet switches
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Installation Guide

613-001273 Rev. A
AT-9400 Series

Gigabit Ethernet

Switches
Layer 2+
Basic Layer 3
AT-9408LC/SP
AT-9424T/GB
AT-9424T/SP
AT-9424T
AT-9424T/POE
AT-9424Ts
AT-9424Ts/XP
AT-9448T/SP
AT-9448Ts/XP

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Summary of Contents for Allied Telesis AT-9408LC/SP

  • Page 1: Gigabit Ethernet

    AT-9400 Series Gigabit Ethernet Switches Layer 2+ AT-9408LC/SP AT-9424T/GB AT-9424T/SP Basic Layer 3 AT-9424T AT-9424T/POE AT-9424Ts AT-9424Ts/XP AT-9448T/SP AT-9448Ts/XP ◆ Installation Guide 613-001273 Rev. A...
  • Page 2 Copyright © 2009 Allied Telesis, Inc. All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesis, Inc. Allied Telesis and the Allied Telesis logo are trademarks of Allied Telesis, Incorporated. All other product names, company names, logos or other designations mentioned herein are trademarks or registered trademarks of their respective owners.
  • 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” (613-000990) posted on the Allied Telesis website at www.alliedtelesis.com. This document is also included with the documentation CD that is shipped with the product.
  • Page 5: Table Of Contents

    Email and Telephone Support ............................11 Returning Products................................11 Sales or Corporate Information .............................11 Warranty ..................................11 Management Software Updates ............................11 Chapter 1: Overview ................................13 Descriptions ..................................15 AT-9408LC/SP Switch..............................15 AT-9424T/GB Switch..............................16 AT-9424T/SP Switch ..............................17 AT-9424T Switch ................................18 AT-9424T/POE Switch ..............................19 AT-9424Ts Switch .................................20 AT-9424Ts/XP Switch ..............................21 AT-9448T/SP Switch ..............................22...
  • Page 6 Switch Functions Intermittently .............................74 Appendix A: Technical Specifications ..........................75 Physical Specifications .................................75 Environmental Specifications..............................76 Power Specifications................................77 Certifications ..................................77 RJ-45 Twisted Pair Port Pinouts ............................78 AT-9408LC/SP Switch 1000Base-SX Port Specifications ....................80 RJ-45 Style Serial Terminal Port Pinouts..........................81 RPS 21-pin D-combo Port and Connector Pinouts.......................81...
  • Page 7: Preface

    Preface This guide contains the installation instructions for the AT-9400 Layer 2+ and Basic Layer 3 Gigabit Ethernet Switches. This preface contains the following sections: “Product Documentation” on page 8 “Where to Go First” on page 9 “Starting a Management Session” on page 9 “Safety Symbols Used in this Document”...
  • Page 8: Product Documentation8

    Preface Product Documentation For overview information on the features of the AT-9400 Switches and the AT-S63 Management Software, refer to: AT-S63 Management Software Features Guide (PN 613-001022) For instructions on how to start local or remote management sessions on stand-alone AT-9400 Switches or AT-9400Ts Stacks, refer to: Starting an AT-S63 Management Session Guide (PN 613-001023) For instructions on how to install or manage stand-alone AT-9400...
  • Page 9: Where To Go First

    AT-9400 Series Gigabit Ethernet Switches Installation Guide Where to Go First Allied Telesis recommends that you read Chapter 1, “Overview,” in the AT-S63 Management Software Features Guide before you begin to manage the switch for the first time. There you will find a variety of basic information about the unit and the management software, like the two levels of manager access levels and the different types of management sessions.
  • Page 10: Safety Symbols Used In This Document

    Preface 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 action may result in electrical shock.
  • Page 11: Contacting Allied Telesis

    AT-9400 Series Gigabit Ethernet Switches Installation Guide Contacting Allied Telesis This section provides Allied Telesis contact information for technical support and for sales and corporate information. Online Support You can request technical support online by accessing the Allied Telesis Knowledge Base: www.alliedtelesis.com/support/kb.aspx. You can use the Knowledge Base to submit questions to our technical support staff and review answers to previously asked questions.
  • Page 12 Preface...
  • Page 13: Chapter 1: Overview

    Chapter 1 Overview The AT-9400 Switches are managed Gigabit Ethernet switches for Ethernet, Fast Ethernet, and Gigabit Ethernet networks. The AT-9400 Switches are divided into two groups: Layer 2+ Switches – AT-9408LC/SP – AT-9424T/GB – AT-9424T/SP Basic Layer 3 Switches –...
  • Page 14 Chapter 1: Overview “Power Over Ethernet” on page 39 “AT-RPS3204 Redundant Power Supply” on page 41 “AC Power Connector” on page 42...
  • Page 15: Descriptions

    Status LEDs for the ports, SFP transceiver slots, and system Redundant power supply (RPS) connector Compact flash card slot The front and back panels of the AT-9408LC/SP Switch are shown in Figure 1. SFP Transceiver Slots 1000Base-SX Fiber Optic Ports...
  • Page 16: At-9424T/Gb Switch

    Chapter 1: Overview AT-9424T/GB The AT-9424T/GB Layer 2+ Switch has the following hardware features: Switch 24 10/100/1000Base-T ports Two gigabit interface connector (GBIC) transceiver slots An RJ-45 style serial terminal port for local (out-of-band) management Status LEDs for the ports, transceiver slots, and system Redundant power supply connector Figure 2 shows the front and back panels of the AT-9424T/GB Switch.
  • Page 17: At-9424T/Sp Switch

    AT-9400 Series Gigabit Ethernet Switches Installation Guide AT-9424T/SP The hardware features of the AT-9424T/SP Layer 2+ Switch include: Switch 24 10/100/1000Base-T ports Two Gigabit Ethernet small form-factor pluggable (SFP) transceiver slots An RJ-45 style serial terminal port for local (out-of-band) management Status LEDs for the ports, transceiver slots, and system Redundant power supply connector Figure 3 shows the front and back panels of the AT-9424T/SP Switch.
  • Page 18: At-9424T Switch

    Chapter 1: Overview AT-9424T Switch The AT-9424T Basic Layer 3 Switch has these hardware features: 24 10/100/1000Base-T ports Four Gigabit Ethernet small form-factor pluggable (SFP) transceiver slots An RJ-45 style serial terminal port for local (out-of-band) management Status LEDs for the ports, transceiver slots, and system Figure 6 shows the front and back panels of the AT-9424T Switch.
  • Page 19: At-9424T/Poe Switch

    AT-9400 Series Gigabit Ethernet Switches Installation Guide AT-9424T/POE The AT-9424T/POE Basic Layer 3 Switch has these hardware features: Switch 24 10/100/1000Base-T ports with Power over Ethernet (PoE) Four Gigabit Ethernet small form-factor pluggable (SFP) transceiver slots An RJ-45 style serial terminal port for local (out-of-band) management Status LEDs for the ports, transceiver slots, and system Figure 5 shows the front and back panels of the AT-9424T/POE Switch System...
  • Page 20: At-9424Ts Switch

    Chapter 1: Overview AT-9424Ts The AT-9424Ts Basic Layer 3 Switch has these hardware features: Switch 24 10/100/1000Base-T ports Four Gigabit Ethernet small form-factor pluggable (SFP) transceiver slots An RJ-45 style serial terminal port for local (out-of-band) management Status LEDs for the ports, transceiver slots, and system Redundant power supply connector Compact flash card slot Expansion slot for the AT-StackXG Stacking Module...
  • Page 21: At-9424Ts/Xp Switch

    AT-9400 Series Gigabit Ethernet Switches Installation Guide AT-9424Ts/XP The AT-9424Ts/XP Basic Layer 3 Switch has these hardware features: Switch 24 10/100/1000Base-T ports Four Gigabit Ethernet small form-factor pluggable (SFP) transceiver slots Two 10 Gigabit Ethernet small form factor pluggable (XFP) transceiver slots An RJ-45 style serial terminal port for local (out-of-band) management Status LEDs for the ports, transceiver slots, and system...
  • Page 22: At-9448T/Sp Switch

    Chapter 1: Overview AT-9448T/SP The hardware features of the AT-9448T/SP Basic Layer 3 Switch include: Switch 48 10/100/1000Base-T ports Four Gigabit Ethernet SFP transceiver slots An RJ-45 style serial terminal port for local (out-of-band) management. Status LEDs for the ports, transceiver slots, and system Redundant power supply (RPS) connector Compact flash card slot Figure 8 shows the front and back panels of the AT-9448T/SP Switch.
  • Page 23: At-9448Ts/Xp Switch

    AT-9400 Series Gigabit Ethernet Switches Installation Guide AT-9448Ts/XP The AT-9448Ts/XP Basic Layer 3 Switch has the following hardware features: Switch 48 10/100/1000Base-T ports Two 10 Gigabit Ethernet small form factor pluggable (XFP) transceiver slots An RJ-45 style serial terminal port for local (out-of-band) management Status LEDs for the ports, transceiver slots, and system Redundant power supply connector Compact flash card slot...
  • Page 24: 10/100/1000Base-T Twisted Pair Ports

    10/100/1000Base-T Twisted Pair Ports This section describes the twisted pair ports on the switches. (This section does not apply to the AT-9408LC/SP Switch.) Connector Type The ports are 8-pin RJ-45 connectors that use four pins at 10 or 100 Mbps and all eight pins at 1000 Mbps.
  • Page 25: Maximum Distance

    AT-9400 Series Gigabit Ethernet Switches Installation Guide Maximum The ports have a maximum operating distance of 100 meters (328 feet). Distance Cable Type The cabling requirements for a 10/100/1000Base-T port are: For 10 Mbps operation: Standard TIA/EIA 568-B-compliant Category 3 or better shielded or unshielded cabling with 100 ohm impedance and a frequency of 16 MHz.
  • Page 26: Fiber Optic Ports

    Chapter 1: Overview Fiber Optic Ports This section applies to ports 1 through 8 on the AT-9408LC/SP Switch. Connector Type The ports feature LC-duplex connectors. Speed The ports have fixed speed of 1000 Mbps (1000Base-SX). Maximum The ports have a maximum distance of 275 meters (m) with 62.5/125 µm (core/cladding) multimode fiber optic cable and 550m with 50/125 µm...
  • Page 27: Gbic Transceiver Slots

    AT-9400 Series Gigabit Ethernet Switches Installation Guide GBIC Transceiver Slots For interconnecting devices over large distances using fiber optic cable, the AT-9424T/GB Switch has two slots on the front panel labeled 23 and 24 for optional fiber optic Gigabit Interface Converter (GBIC) Ethernet transceivers.
  • Page 28: Sfp Transceiver Slots

    Several of the AT-9400 Switches feature slots for optional Gigabit Ethernet SFP transceivers for interconnecting network devices over large distances using fiber optic cable. With the exception of the AT-9408LC/SP Switch, each SFP slot is paired with a twisted pair port. A link on an SFP...
  • Page 29: Xfp Transceiver Slots

    AT-9400 Series Gigabit Ethernet Switches Installation Guide XFP Transceiver Slots Several AT-9400 Switches have slots for optional XFP 10 Gigabit Ethernet transceivers to connect high speed, 10 gigabit devices to the switch or create high speed backbone networks between switches. Figure 12 shows an example of an XFP transceiver.
  • Page 30: Redundant Twisted Pair Ports

    Chapter 1: Overview Redundant Twisted Pair Ports Some AT-9400 Switches have two or four twisted pair ports that are paired with GBIC or SFP slots. The twisted pair ports are identified with the letter “R” for “Redundant” as part of their number on the front faceplate of the unit.
  • Page 31 AT-9400 Series Gigabit Ethernet Switches Installation Guide Note These guidelines do not apply to the SFP slots on the AT-9408LC/SP Switch and the XFP slots on the AT-9424Ts/XP and AT-9448Ts/XP Switches.
  • Page 32: Compact Flash Card Slot

    Chapter 1: Overview Compact Flash Card Slot The compact flash card slot featured on many of the AT-9400 Switches and shown in Figure 13 is used to store configuration files and AT-S63 Management Software image files on a compact flash card. A compact flash memory card can make it easier for you to upgrade the files on a switch or transfer files between AT-9400 Switches.
  • Page 33: Port Leds

    AT-9400 Series Gigabit Ethernet Switches Installation Guide Port LEDs The following sections describe the twisted pair and fiber optic port LEDs. 10/100/1000Base- A twisted pair port has two LEDs labeled L/A (link/activity) and D/C (duplex mode/collisions). The L/A LED indicates the speed and activity on a port. T Twisted Pair The D/C LED indicates the duplex mode (full- or half-duplex) and the Port LEDs...
  • Page 34: Fiber Optic Port And Transceiver Slot Leds

    Chapter 1: Overview Fiber Optic Port The 1000Base-SX fiber optic ports on the AT-9408LC/SP Switch and the GBIC and SFP transceiver slots have one LED. The LED is defined in and Transceiver Table 4. Slot LEDs Table 4 1000Base-SX Port and GBIC and SFP Slot LED...
  • Page 35: System Leds

    AT-9400 Series Gigabit Ethernet Switches Installation Guide System LEDs The system LEDs on the front panel display general status information, as described in Table 6. Table 6 System LEDs State Description FAULT or Normal operation. Solid The switch or management software has malfunctioned.
  • Page 36: Stack Leds

    Chapter 1: Overview Stack LEDs The Stack LEDs reflect the status of the two Stack ports on the optional AT-StackXG Stacking Module for the AT-9424Ts, AT-9424Ts/XP, and AT-9448Ts/XP Switches. The module, which does not have LEDs, is used to build a stack of up to five or eight devices. These LEDs remain off if the optional module is not installed.
  • Page 37: Expansion Slot

    AT-9400 Series Gigabit Ethernet Switches Installation Guide Expansion Slot The expansion slot on the AT-9424Ts, AT-9424Ts/XP, and AT-9448Ts/XP Switches accommodates the optional AT-StackXG Stacking Module. The module is used to create stacks of up to five or eight switches, depending on the model.
  • Page 38: Terminal Port

    Chapter 1: Overview Terminal Port The terminal port is used to establish a local (out-of-band) management session with the switch and configure the switch’s operating parameters. You establish a local management session with the switch by connecting a terminal or a personal computer with a terminal emulation program to the port.
  • Page 39: Power Over Ethernet

    AT-9400 Series Gigabit Ethernet Switches Installation Guide Power Over Ethernet The following discussion applies only to the AT-9424T/POE Gigabit Ethernet Switch. The twisted pair ports on the AT-9424T/POE Switch feature Power over Ethernet (PoE). PoE is a mechanism for supplying power to network devices over the same twisted pair cables that are used to carry the network traffic.
  • Page 40: Implementation

    Chapter 1: Overview ports in any combination. Table 8. IEEE 802.3af Class vs. Power Levels Maximum Power Power Ranges of Class Usage Output at a Switch the PDs Port Default 15.4W 0.44W to 12.95W Optional 4.0W 0.44W to 3.84W Optional 7.0W 3.84W to 6.49W Optional...
  • Page 41: At-Rps3204 Redundant Power Supply

    AT-9400 Series Gigabit Ethernet Switches Installation Guide AT-RPS3204 Redundant Power Supply The RPS connector on the back panel of the switch connects to the optional AT-RPS3204 redundant power supply unit, shown in Figure 14. The unit can provide power to the switch in the event that the switch’s internal power supply fails.
  • Page 42: Ac Power Connector

    Chapter 1: Overview AC Power Connector The AT-9400 Switches have a single AC power supply socket with autoswitch AC inputs, on the back panel. To power the switch on or off, connect or disconnect the power cord. For the input voltage range, refer to “Technical Specifications”...
  • Page 43: Chapter 2: Installing The Switch

    Chapter 2 Installing the Switch This chapter contains the installation procedures for the switch. The chapter contains the following sections: “Reviewing Safety Precautions” on page 44 “Selecting a Site” on page 47 “Twisted Pair and Fiber Optic Cable Specifications” on page 48 “Unpacking the Switch”...
  • Page 44: Reviewing Safety Precautions

    Chapter 2: Installing the Switch Reviewing Safety Precautions Please review the following safety precautions before you begin to install the switch or any of its components. Note indicates that a translation of the safety statement is available in a PDF document titled “Translated Safety Statements” (613-000990) posted on the Allied Telesis website at www.alliedtelesis.com.
  • Page 45 AT-9400 Series Gigabit Ethernet Switches Installation Guide Warning: 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 connection of the equipment to the supply circuit and the effect that overloading of circuits might have on overcurrent protection and supply wiring.
  • Page 46 Chapter 2: Installing the Switch 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 (e.g., use of power strips). Warning: To reduce the risk of electric shock, the PoE ports on this product must not connect to cabling that is routed outside the building where this device is located.
  • Page 47: Selecting A Site

    AT-9400 Series Gigabit Ethernet Switches Installation Guide Selecting a Site Observe the following requirements when choosing a site for the switch. If you plan to install the switch in an equipment rack, check to be sure 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 48: Twisted Pair And Fiber Optic Cable Specifications

    Chapter 2: Installing the Switch Twisted Pair and Fiber Optic Cable Specifications Twisted Pair Table 9 lists the cabling specifications for the 10/100/1000Base-T twisted pair ports. Cable Specifications Table 9. Twisted Pair Cabling and Distances Maximum Speed Cable Type Operating Distance 10 Mbps Standard TIA/EIA 568-B-compliant...
  • Page 49: Fiber Optic Cable Specifications

    1000 Mbps. Fiber Optic Cable Table 10 lists the fiber optic cable specifications for ports 1 to 8 on the AT-9408LC/SP Switch. For optical specifications, refer to “AT-9408LC/SP Specifications Switch 1000Base-SX Port Specifications” on page 80.
  • Page 50: Unpacking The Switch

    Chapter 2: Installing the Switch 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 Telesis.
  • Page 51: Installing The Power Cord Retaining Clip (Ac Switches Only)

    AT-9400 Series Gigabit Ethernet Switches Installation Guide Installing the Power Cord Retaining Clip (AC Switches Only) Perform the following procedure to install the power cord retaining clip on the AT-9400 Switch: 1. Locate the power cord retaining clip, as shown in Figure 15. Figure 15.
  • Page 52: Installing The Switch In A Rack

    Chapter 2: Installing the Switch Installing the Switch in a Rack Perform the following procedure to install the switch in a standard 19-inch rack: Note Steps 1, 2, and 3 are optional. They remove the snap-on plastic feet from the bottom of a switch. The feet can be left on. 1.
  • Page 53 AT-9400 Series Gigabit Ethernet Switches Installation Guide 5. Install the second rack-mount bracket on the other side of the switch using the four remaining screws. 6. Mount the switch in the 19-inch rack using standard screws (not provided), as shown in Figure 19. L /A 9 4 0 8 L C...
  • Page 54: Installing Optional Transceivers

    Chapter 2: Installing the Switch Installing Optional Transceivers Review the following guidelines before installing an optional GBIC, SFP or XFP transceiver in the switch: A transceiver can be hot-swapped. The switch can be powered on when you install a transceiver. Install the transceiver before connecting its network cable.
  • Page 55: Installing An Sfp Transceiver

    “Cabling the Twisted Pair or Fiber Optic Ports” on page 59. For GBIC optical and cabling specifications, consult the documentation shipped with the module. Installing an SFP To install an SFP transceiver in the AT-9408LC/SP, AT-9424T/SP, AT-9424T, AT-9424Ts, AT-9424Ts/XP or AT-9448T/SP Switch, perform Transceiver the following procedure: 1.
  • Page 56 Chapter 2: Installing the Switch 3. Position the transceiver with the label facing up. 4. Slide the transceiver into the slot until it clicks into place. Figure 22. Installing an SFP Transceiver 5. Verify that the handle on the SFP transceiver is in the upright position, as shown in Figure 23, to prevent inadvertently removing the transceiver.
  • Page 57: Installing An Xfp Transceiver

    AT-9400 Series Gigabit Ethernet Switches Installation Guide Installing an XFP To install an XFP transceiver in the AT-9424Ts/XP or AT-9448Ts/XP Switch, perform the following procedure: Transceiver 1. Remove the dust plug from a transceiver slot on the switch. Refer to Figure 24.
  • Page 58 Chapter 2: Installing the Switch 5. Repeat this procedure to install a second XFP transceiver or go to “Cabling the Twisted Pair or Fiber Optic Ports” on page 59. For XFP optical and cabling specifications, consult the documentation shipped with the module.
  • Page 59: Cabling The Twisted Pair Or Fiber Optic Ports

    AT-9400 Series Gigabit Ethernet Switches Installation Guide Cabling the Twisted Pair or Fiber Optic Ports Observe the following guidelines when connecting a twisted pair or fiber optic cable to a port on the switch: The connector on the cable should fit snugly into the port on the switch.
  • Page 60: Applying Ac Power

    Chapter 2: Installing the Switch Applying AC Power To apply AC power to the switch, perform the following procedure: 1. Position the power cord retaining clip in the up position, as shown in Figure 26. 1 0 0 - 2 4 0 V A Figure 26.
  • Page 61 AT-9400 Series Gigabit Ethernet Switches Installation Guide 3. Lower the power cord retaining clip to secure the cord to the switch, as shown in Figure 28. 1 0 0 - 2 4 0 V A Figure 28. Securing the Power Cord with the Retaining Clip 4.
  • Page 62: Starting A Local Management Session

    Chapter 2: Installing the Switch Starting a Local Management Session The procedure in this section explains how to start a local (out-of-band) management session using the RJ-45 terminal port on the switch. You can use a local management session to configure the switch’s operating parameters and view performance and error statistics.
  • Page 63 AT-9400 Series Gigabit Ethernet Switches Installation Guide Stop bits: 1 Flow control: None Note The port settings are for a DEC VT100 or ANSI terminal, or an equivalent terminal emulator program. 4. Press Enter. You are prompted for a user name and password. 5.
  • Page 64: Warranty Registration

    Chapter 2: Installing the Switch Warranty Registration For warranty information, go to “Warranty” on page 11 or the Allied Telesis web site at www.alliedtelesis.com.
  • Page 65: Chapter 3: Troubleshooting

    Chapter 3 Troubleshooting This chapter contains information about how to troubleshoot the switch in the event a problem occurs. Note If you are unable to resolve a problem after following the instructions in this chapter, contact Allied Telesis Technical Support for assistance.
  • Page 66: Power Led Is Off

    Chapter 3: Troubleshooting Power LED is Off Check the PWR LED on the front of the switch. If the LED is off, indicating that the unit is not receiving power, do the following: Make sure the power cord is securely connected to the power source and to the AC connector on the back panel of the switch.
  • Page 67: Twisted Pair Port Link Led Is Off

    AT-9400 Series Gigabit Ethernet Switches Installation Guide Twisted Pair Port Link LED is Off When a twisted pair port on the switch is connected to a properly operating end node, the Link LED for the port should be on. If a Link LED is off, do the following: Verify that the end node connected to the port is powered ON and is operating properly.
  • Page 68: Fiber Optic Port Link Led Is Off

    Use a fiber optic tester to test the attenuation on the cable and the strength of the optical signal. The operating specifications for the ports on the AT-9408LC/SP Switch are listed in Table 16 on page 80. For operating specifications for an SFP or GBIC module, refer to the installation instructions shipped with the module.
  • Page 69: Transceiver Is Installed But The Status Is "Not Present

    AT-9400 Series Gigabit Ethernet Switches Installation Guide Transceiver is Installed but the Status is “Not Present” If a GBIC, SFP, or XFP transceiver is installed in a transceiver slot but the Uplink Information menu in the AT-S63 Management Software interface displays “Not Present”...
  • Page 70: System Fault Led Is Blinking

    Chapter 3: Troubleshooting System Fault LED is Blinking If the system FAULT LED is blinking, no action is required. A blinking FAULT LED could indicate that a new version of the management software is being downloaded to the switch or the switch’s is updating the active boot configuration file.
  • Page 71: System Fault Led Is Steadily On

    AT-9400 Series Gigabit Ethernet Switches Installation Guide System Fault LED is Steadily On If the system FAULT LED is steadily on, a problem has occurred in the switch. Do the following: Try resetting the switch by disconnecting and reconnecting the AC power cord.
  • Page 72: Poe Device Is Not Receiving Power

    Chapter 3: Troubleshooting PoE Device is Not Receiving Power If a powered device is not receiving power from the AT-9424T/POE Switch, do the following: Check to be sure that the powered device is designed to receive power over pins 1, 2, 3, and 6 on the RJ-45 port. This can be verified by reviewing the device’s documentation or data sheet.
  • Page 73: Cannot Establish A Local (Out-Of-Band) Management Session

    AT-9400 Series Gigabit Ethernet Switches Installation Guide Cannot Establish a Local (Out-of-Band) Management Session If you are unable to establish a local (out-of-band) management session with the switch through the terminal port on the front panel, do the following: Check to be sure that the RJ-45 serial management cable is securely connected to the serial terminal port on the switch and to the RS-232 port on the terminal or personal computer.
  • Page 74: Switch Functions Intermittently

    Chapter 3: Troubleshooting Switch Functions Intermittently If the switch functions intermittently, check the system hardware status through the management interface: Note the current voltage for the power supply compared to the optimum rating. Verify that the system temperature is within the operating range. Review the fan speeds to verify the fans are operating properly.
  • Page 75: Appendix A: Technical Specifications

    Table 11. AT-9400 Series Switch Dimensions AT-9400 Series Dimensions (H x W x D) Switch AT-9408LC/SP 4.4 cm x 44.0 cm x 22.2 cm (1.75 in. x 17.34 in. x 8.75 in.) AT-9424T/GB 4.4 cm x 44.0 cm x 22.2 cm (1.75 in.
  • Page 76: Environmental Specifications

    See Table 12 for information regarding the weight of the AT-9400 Series Switches. Table 12. Weight of the AT-9400 Series Switches AT-9400 Series Weight Switch AT-9408LC/SP 3.00 kg (6.65 lb.) AT-9424T/GB 3.11 kg (6.85 lb.) AT-9424T/SP 3.11 kg (6.85 lb.) AT-9424T 4.01 kg (8.85 lb.)
  • Page 77: Power Specifications

    Power Specifications Input Voltage/Current.Freq (All Models except AT-9424T/POE): AC100-240 VAC, 2.0 A maximum, 50/60 Hz Input Voltage/Current.Freq (All Models except AT-9424T/POE): AC100-240 VAC, 6 A maximum, 50/60 Hz Maximum Power Consumption: AT-9408LC/SP 58 watts AT-9424T/GB 54 watts AT-9424T/SP 54 watts...
  • Page 78: Rj-45 Twisted Pair Port Pinouts

    Appendix A: Technical Specifications RJ-45 Twisted Pair Port Pinouts Figure 31 illustrates the pin layout of an RJ-45 connector and port. Pin 1 Figure 31. RJ-45 Connector and Port Pin Layout Table 13 lists the pin signals when a port is operating in the MDI configuration at 10 or 100 Mbps.
  • Page 79 AT-9400 Series Gigabit Ethernet Switches Installation Guide Table 15 lists the pin signals when a port operating at 1000 Mbps. Table 15. Pin Signals - 1000 Mbps Pinout Pair Pair 1 + Pair 1 - Pair 2 + Pair 3 + Pair 3 - Pair 2 - Pair 4 +...
  • Page 80: At-9408Lc/Sp Switch 1000Base-Sx Port Specifications

    Appendix A: Technical Specifications AT-9408LC/SP Switch 1000Base-SX Port Specifications Table 16 lists the operating specifications for ports 1 to 8 on the AT-9408LC/SP Switch. Table 16. 1000Base-SX Port Specifications Property Value Transmitter Characteristics Wavelength 850 nm Output Power Min: -9.5 dBm Max: -1.5 dBm...
  • Page 81: Rj-45 Style Serial Terminal Port Pinouts

    AT-9400 Series Gigabit Ethernet Switches Installation Guide RJ-45 Style Serial Terminal Port Pinouts Table 17 lists the pin signals on the RJ-45 style serial terminal port. Table 17. RJ-45 Style Serial Terminal Port Pin Signals Signal Data Carrier Detect Transmit Data Receive Data Data Set Ready Ground...
  • Page 82 Appendix A: Technical Specifications Table 18 lists the definitions for the RPS 21-pin D-combo port and connector pins. Table 18. RPS 21-pin D-combo Port and Connector Pin Definitions Definition Reserved Fan 2 status Fan 1 status RPS status Ground Ground RPS status +12.0 VDC sense Reserved...

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