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Chapter 5

Troubleshooting

This chapter contains information about how to troubleshoot a switch in
the event a problem occurs. Sections in the chapter include:

“No Master Switch” on page 84

“Power LED is Off” on page 85

“Twisted Pair Port Link LED is Off” on page 86

“Fiber Optic Port Link LED is Off” on page 87

“Transceiver is Installed but the Status is “Not Present”” on page 88

“System Fault LED is Blinking” on page 89

“System Fault LED is Steadily On” on page 90

“Cannot Establish a Local (Out-of-Band) Management Session” on
page 91

“Switch Functions Intermittently” on page 92

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 “Contacting Allied Telesis” on page 15 for
contact information.

Содержание AT-9424Ts AC

Страница 1: ...613 000796 Rev A AT 9400 Series Gigabit Ethernet Switches Basic Layer 3 AT 9424Ts AT 9424Ts XP AT 9448Ts XP Stack Installation Guide...

Страница 2: ...espective owners Allied Telesis Inc reserves the right to make changes in specifications and other information contained in this document without prior written notice The information provided herein i...

Страница 3: ...uses and can radiate radio frequency energy and if not installed and used in accordance with this instruction manual may cause harmful interference to radio communications Operation of this equipment...

Страница 4: ...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...

Страница 5: ...on 18 Switch Descriptions 19 AT 9424Ts Switch 19 AT 9424Ts XP Switch 20 AT 9448Ts XP Switch 21 10 100 1000Base T Twisted Pair Ports 22 Connector Type 22 Speed 22 Duplex Mode 22 Maximum Distance 22 Cab...

Страница 6: ...65 Verifying the Installation 67 Verifying a Stack with Static ID Numbers 67 Verifying a Stack with Dynamic Module ID Numbers 69 Troubleshooting the Discovery Process 71 Chapter 4 Cabling the Network...

Страница 7: ...AT 9400 Stack Installation Guide 7 Certifications 94 RJ 45 Twisted Pair Port Pinouts 95 RJ 45 Style Serial Terminal Port Pinouts 97 RPS 21 pin D combo Port and Connector Pinouts 98...

Страница 8: ...Table of Contents 8...

Страница 9: ...ollowing sections Product Documentation on page 10 Where to Go First on page 11 Starting a Management Session on page 12 Safety Symbols Used in this Document on page 13 Where to Find Web based Guides...

Страница 10: ...ging stand alone switches refer to AT 9400 Gigabit Ethernet Switch Installation Guide PN 613 000357 AT S63 Management Software Menus Interface User s Guide PN 613 50570 00 AT S63 Management Software C...

Страница 11: ...e AT 9400 Switch and the management software like the two levels of manager access levels and the different types of management sessions This guide is also your resource for background information on...

Страница 12: ...Preface 12 Starting a Management Session For instructions on how to start a local or remote management session on the AT 9400 Switch refer to the Starting an AT S63 Management Session Guide...

Страница 13: ...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 Wa...

Страница 14: ...s 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...

Страница 15: ...web site at www alliedtelesis com Returning Products Products for return or repair must first be assigned a return materials authorization RMA number A product sent to Allied Telesis without an RMA n...

Страница 16: ...Preface 16...

Страница 17: ...uide until you have read the Software Release Notes that are included with the latest release of the AT S63 Management Software or reviewed the latest version of the AT S63 Stack Command Line Interfac...

Страница 18: ...igure the switches simultaneously from the same management session rather than individually from different sessions This can simplify network management You have more latitude in how you can configure...

Страница 19: ...t for the AT StackXG Stacking Module Figure 1 shows the front and back panels of the AT 9424Ts switch Figure 1 AT 9424Ts Switch Front and Back Panels 10 100 1000Base T Ports Port and SFP RJ 45 Style S...

Страница 20: ...ure 2 shows the front and back panels of the AT 9424Ts XP switch Figure 2 AT 9424Ts XP Switch Front and Back Panels 10 100 1000Base T Ports Port and SFP RJ 45 Style Serial Terminal Port SFP Slots AC P...

Страница 21: ...ure 3 shows the front and back panels of the AT 9448Ts XP switch Figure 3 AT 9448Ts XP Switch Front and Back Panels Port LEDs AC Power Connector RPS Connector 10 100 1000Base T Ports XFP Transceiver R...

Страница 22: ...000 Mbps The twisted pair ports are IEEE 802 3u compliant and Auto Negotiate the duplex mode setting You can disable Auto Negotiation on one or all of the switch ports so that you can set the duplex m...

Страница 23: ...EE 802ab compliant and feature auto MDI MDI X This feature available when a port s speed and duplex mode are set through Auto Negotiation automatically configures a switch port to MDI or MDI X dependi...

Страница 24: ...switch each SFP slot is paired with a twisted pair port A link on an SFP transceiver takes priority in the event both an SFP transceiver and its paired twisted pair port have established links to the...

Страница 25: ...Gigabit Ethernet transceivers to connect high speed 10 gigabit devices to the switch or create high speed backbone networks between switches Figure 5 shows an example of an XFP transceiver Figure 5 X...

Страница 26: ...o the redundant status mode when an SFP module establishes a link with an end node A twisted pair port automatically transitions back to the active status when the link is lost on the SFP module In ne...

Страница 27: ...h The slots on the member switches are deactivated and are not accessible The AT 9400 Switches support only the AT CF128A 128MB compact flash card from Allied Telesis Contact your Allied Telesis sales...

Страница 28: ...ted Pair Port LEDs LED Function State Description L A Link Status and Activity Off No link is established between the port and the end node Solid green The port has established a link at 1000 Mbps Fla...

Страница 29: ...9424Ts XP and AT 9448Ts XP switches has one LED defined in Table 4 Table 4 XFP Slot LED LED Function State Description L A Link Status and Activity Off No link is established between the port and the...

Страница 30: ...shing Red The switch is saving its configuration or is downloading a new version of the AT S63 Management Software MASTER or MSTR Off The switch is not a member of an enhanced stack or has an enhanced...

Страница 31: ...nk to a stacking port on another AT StackXG Stacking Module Flashing Green Stack Port 1 has established a link to a stacking port on another AT StackXG Stacking Module and is sending or receiving pack...

Страница 32: ...4Ts XP and AT 9448Ts XP Switches is designed for the optional AT StackXG Stacking Module and its two full duplex 12 Gbps stacking ports The module is used to build a stack Each switch in a stack must...

Страница 33: ...er switch The master switch can be determined by viewing the Stack MSTR LEDs on the front panels of the switches The switch whose LED is steady green is the master switch of the stack The terminal por...

Страница 34: ...lled AT PWR3202 Power Module and three empty slots for additional power modules Each power module can support one switch When fully populated with AT PWR3202 Power Modules the AT RPS3204 unit can supp...

Страница 35: ...ctor The AT 9400 Switch have a single AC power supply socket on the back panel which has autoswitch AC inputs To power the switch on or off connect or disconnect the power cord Refer to Technical Spec...

Страница 36: ...Chapter 1 Overview 36...

Страница 37: ...ge 42 Maximum Number of Switches in a Stack on page 43 Unpacking a Switch on page 44 Installing the AT StackXG Stacking Module on page 45 Installing the Power Cord Retaining Clip AC Switches Only on p...

Страница 38: ...m Number of Switches in a Stack on page 43 4 Unpacking a Switch on page 44 5 Installing the AT StackXG Stacking Module on page 45 6 Installing the Power Cord Retaining Clip AC Switches Only on page 48...

Страница 39: ...ts 17 Twisted Pair and Fiber Optic Cable Specifications on page 74 18 Installing Optional Transceivers on page 76 19 Cabling the Twisted Pair and Fiber Optic Ports on page 80 20 Warranty Registration...

Страница 40: ...e possibility of electric shock disconnect electric power to the product before connecting or disconnecting the LAN cables 4 Warning Do not work on equipment or cables during periods of lightning acti...

Страница 41: ...teur Les batteries doivent tre limin es conform ment aux instructions du constructeur 25 Warning Mounting of the equipment in the rack should be such that a hazardous condition is not created due to u...

Страница 42: ...ot be greater than one meter The order of the devices in a stack that has both 24 port and 48 port switches is not important Check to be sure the equipment rack is safely secured and will not tip over...

Страница 43: ...itches or eight 24 port AT 9424Ts or AT 9424Ts XP Switches A stack of both 24 port switches and 48 port switches models can have up to eight units For instance a stack can have five 24 port switches a...

Страница 44: ...Place the switch on a level secure surface 3 Make sure the following components are included in your switch package If any item is missing or damaged contact your Allied Telesis sales representative...

Страница 45: ...is powered on Allied Telesis recommends that the switches be powered off during the initial installation of the stack Warning The module can be damaged by static electricity Be sure to observe all st...

Страница 46: ...re the packaging material in a safe location You must use the original shipping material if you need to return the unit to Allied Telesis 3 Align the edges of the module with the guides in the slot an...

Страница 47: ...wdriver Refer to Figure 11 Figure 11 Securing the AT StackXG Stacking Module 5 Repeat this procedure to install an AT StackXG Stacking Module in the other switches of the stack You are now ready to in...

Страница 48: ...er Cord Retaining Clip 2 Install the clip on the AC power connector on the back panel of the switch With the u of the clip facing down press the sides of the clip toward the center and insert the shor...

Страница 49: ...te 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 Place the switch upside down on a level secure surface 2 Using a flat head sc...

Страница 50: ...ided as shown in Figure 16 Figure 16 Mounting the Switch in a Rack Note After you have installed all the switches of the stack in the equipment rack go to Chapter 3 Preparing the Switches of the Stack...

Страница 51: ...umbers on page 55 Labelling the Switches on page 56 Assigning the Static Module ID Number 1 to the Master Switch on page 58 Assigning a Static Module ID Number to the Member Switches on page 61 Cablin...

Страница 52: ...witch To power on a switch perform the following procedure 1 Position the power cord retaining clip in the up position as shown in Figure 17 Figure 17 Power Cord Retaining Clip in the Up Position 2 Pl...

Страница 53: ...t a local management session on the unit perform the following procedure 1 Connect the RJ 45 end of the management cable included with the AT 9400 Switch to the Terminal Port on the front panel of the...

Страница 54: ...sion starts and the command line interface CLI prompt is displayed as shown in Figure 20 Figure 20 CLI Prompt 7 Note the version number of the AT S63 Management Software at the top of the console scre...

Страница 55: ...ssign are called static module ID number because they do not change even when devices are added to or removed from the stack Numbers that are assigned by the management software are called dynamic mod...

Страница 56: ...e any switch in a stack In a stack with both 24 port and 48 port switches the master switch can be either model The label should also include the switch s MAC address which is found on a label on the...

Страница 57: ...AT 9400 Stack Installation Guide 57 After labelling the switches go to Assigning the Static Module ID Number 1 to the Master Switch next...

Страница 58: ...on Local MAC Addr The MAC address of the switch Standalone Mode ID The module ID number of the switch when the device is not a part of a stack This parameter can be ignored Stack Mode The method by wh...

Страница 59: ...d 1 For example if the current value of Stack ID is 4 the command would be set stack moduleid 4 newmoduleid 1 If Stack Mode is Static and Stack Mode is 1 no command is necessary 4 The new module ID nu...

Страница 60: ...Chapter 3 Preparing the Switches of the Stack 60 8 Power off the switch and go to the next procedure to configure the other switches of the stack...

Страница 61: ...Auto change the dynamic Stack ID value of 1 to the static value of 2 with this command set stack moduleid 1 newmoduleid 2 If Stack Mode is Static and Stack ID is a value other than 2 enter the followi...

Страница 62: ...ng modules perform the following procedure 1 Remove the plastic protectors from the connectors on the AT StackXG 5 Stacking Cable shipped with the stacking module Refer to Figure 23 Figure 23 Removing...

Страница 63: ...hes Figure 25 Example of a Cabling Configuration for a Stack with Four Switches Note If you purchased the optional AT StackXG 1 Stacking Cable continue with this procedure to install it Otherwise go t...

Страница 64: ...re 26 Example Stack of Four Switches in the Ring Topology 6 Go to the next procedure to apply power to the switches of the stack 1247 RPS INPUT AT StackXG STACK PORT 1 STACK PORT 2 RPS INPUT AT StackX...

Страница 65: ...tches are using dynamic ID numbers the master switch will be the unit with the lowest MAC address A switch s MAC address is printed on a label on the back panel The commencement by the stack of the di...

Страница 66: ...in and manage the stack press Return to display the login prompt An alternative method for monitoring the initialization process is by observing the Stack MSTR LED on the front panel of the master swi...

Страница 67: ...ze their management software and complete the discovery process 2 Examine the Stack MSTR LED on the front panel of the switch labelled 1 in Labelling the Switches on page 56 As the master switch of th...

Страница 68: ...ID Number to the Member Switches on page 61 on any switch with an incorrect module ID number The module ID number must be set while the switch is functioning as a stand alone unit Afterwards reconnec...

Страница 69: ...he Discovery Process on page 71 3 Place a label on the master switch s front panel to make it easier to identify 4 Establish a local management session on the master switch For instructions refer to S...

Страница 70: ...he Switches of the Stack 70 8 You can now connect the network cables to the ports on the switches and install optional SFP and XFP fiber optic modules For instructions go to Chapter 4 Cabling the Netw...

Страница 71: ...ed Failed to form a stack Failed to elect a stack Master in the static mode Stack setup has failed The appearance of either of these messages could indicate that the stack has both dynamic and static...

Страница 72: ...the switches are powered on Verify that all of the switches are using the same version of the AT S63 Management Software For instructions refer to Verifying the AT S63 Version Number on page 52 Verify...

Страница 73: ...network cables to the ports on the switches of the stack The chapter contains the following sections Twisted Pair and Fiber Optic Cable Specifications on page 74 Installing Optional Transceivers on pa...

Страница 74: ...auto MDI MDI X feature A port where Auto Negotiation has been disabled defaults to MDI X Disabling Auto Negotiation may require manually configuring a port s MDI MDI X setting or using a crossover ca...

Страница 75: ...to Negotiation to operate at 1000 Mbps You cannot manually set the speed of a twisted pair port to 1000 Mbps Optional Transceiver Cable Specifications The cable specifications for an optional GBIC SFP...

Страница 76: ...cal bores When you do remove the plug keep it for future use Unnecessary removal and insertion of a transceiver can lead to premature failure The SFP slots on some AT 9400 Switches are paired with twi...

Страница 77: ...Installing an SFP Transceiver 5 Verify that the handle on the SFP transceiver is in the upright position as shown in Figure 33 to prevent inadvertently removing the transceiver Figure 33 Positioning t...

Страница 78: ...he packaging material in a safe location 3 Position the transceiver with the label facing down 4 Slide the transceiver into the slot until it clicks into place as shown in Figure 35 Figure 35 Installi...

Страница 79: ...uide 79 5 Repeat this procedure to install a second XFP transceiver or go to Cabling the Twisted Pair and Fiber Optic Ports on page 80 For XFP optical and cabling specifications consult the documentat...

Страница 80: ...loops can adversely affect network performance For background information on the different types of spanning tree protocols supported by the switch refer to the AT S63 Stack Command Line Interface Use...

Страница 81: ...AT 9400 Stack Installation Guide 81 Warranty Registration For warranty information go to the Allied Telesis web site at www alliedtelesis com...

Страница 82: ...Chapter 4 Cabling the Network Ports 82...

Страница 83: ...f on page 87 Transceiver is Installed but the Status is Not Present on page 88 System Fault LED is Blinking on page 89 System Fault LED is Steadily On on page 90 Cannot Establish a Local Out of Band M...

Страница 84: ...complete the discovery process you observe that the Stack MSTR LED on the front panel of all the switches is off This could indicate that the discovery process encountered a problem that prevented th...

Страница 85: ...owing Make sure the power cord is securely connected to the power source and to the AC connector on the back panel of the switch Verify that the power outlet has power by connecting another device to...

Страница 86: ...mode manually the port defaults to MDI X Disabling Auto Negotiation may require manually configuring a port s MDI MDI X setting or using a crossover cable Make sure that the operating parameters of th...

Страница 87: ...specifications for an SFP or GBIC module refer to the installation instructions shipped with the module Check that the operating specifications for instance wavelength and maximum operating distance...

Страница 88: ...transceiver slot but the Uplink Information menu in the AT S63 Management Software interface displays Not Present for that port do the following Verify that the transceiver is completely inserted in t...

Страница 89: ...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 Th...

Страница 90: ...ng Try resetting the switch by disconnecting and reconnecting the AC power cord If the FAULT LED remains ON try downloading a new version of the switch s management software For instructions refer to...

Страница 91: ...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 Check to b...

Страница 92: ...ttently If a 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...

Страница 93: ...9424Ts XP 4 23 kg 9 40 lb AT 9448Ts XP 5 09 kg 11 20 lb Recommended Minimum Ventilation on All Sides 10 cm 4 0 in Environmental Specifications Operating Temperature 0 C to 40 C 32 F to 104 F Storage...

Страница 94: ...28 watts Input Voltage AC 100 240 VAC 2 0 A maximum 50 60 Hz Certifications EMI Emissions FCC Class A EN55022 Class A EN61000 3 2 EN61000 3 3 VCCI Class A CISPR Class A C TICK CE EMC Immunity EN55024...

Страница 95: ...on at 10 or 100 Mbps Table 11 lists the pin signals when a port is operating in the MDI X configuration at 10 or 100 Mbps The MDI MDI X setting is established automatically when a port is set to Auto...

Страница 96: ...Technical Specifications 96 Table 12 lists the pin signals when a port operating at 1000 Mbps Table 12 Pin Signals 1000 Mbps Pinout Pair 1 Pair 1 2 Pair 1 3 Pair 2 4 Pair 3 5 Pair 3 6 Pair 2 7 Pair 4...

Страница 97: ...ts Table 13 lists the pin signals on the RJ 45 style serial terminal port Table 13 RJ 45 Style Serial Terminal Port Pin Signals Pin Signal 4 Data Carrier Detect 3 Transmit Data 6 Receive Data 7 Data S...

Страница 98: ...Connector and Port Pin Layout Table 14 lists the definitions for the RPS 21 pin D combo port and connector pins 10 20 1 11 11 10 20 A1 1 A1 Table 14 RPS 21 pin D combo Port and Connector Pin Definiti...

Страница 99: ...AT 9400 Stack Installation Guide 99 16 Ground 17 Ground 18 12 0 VDC sense 19 Ground 20 No connect A 1 12 0 VDC Table 14 RPS 21 pin D combo Port and Connector Pin Definitions Pin Definition...

Страница 100: ...Appendix A Technical Specifications 100...

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