Allied Telesis AT-9448Ts/XP User Manual

AT-9400Ts Series
Gigabit Ethernet
Switches

Basic Layer 3 AT-9424Ts

AT-9424Ts/XP
AT-9448Ts/XP

◆

AT-9400Ts Stack
Installation Guide

613-001191 Rev. B

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.
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 is subject to change without notice. In no event shall Allied 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.

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. These limits are designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates, 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 in a residential area is likely to cause harmful interference in which case
the user will be required to correct the interference at his own expense.

Note: Modifications or changes not expressly approved of by the manufacturer or the FCC, can void your right to operate
this equipment.

Industry Canada

This Class A digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.

RFI Emissions FCC Class A, EN55022 Class A, EN61000-3-2, EN61000-3-3, VCCI

Class A, C-TICK, CE

Warning: In a domestic environment this product may cause radio interference in
which case the user may be required to take adequate measures.

EMC (Immunity) EN55024
Electrical Safety EN60950 (TUV), UL 60950 (

CULUS

)

Laser Safety EN60825

3

Translated Safety Statements

Important: The  indicates that translations of the safety statement are available in the PDF
document “Translated Safety Statements” (613-000405) posted on the Allied Telesis website at
www.alliedtelesis.com.

4

Contents

Preface ..................................................................................................................................................................................................................... 9

Product Documentation ...................................................................................................................................10

Where to Go First .............................................................................................................................................11

Starting a Management Session ......................................................................................................................11

Safety Symbols Used in this Document ...........................................................................................................12

Contacting Allied Telesis ..................................................................................................................................13

Online Support........................ ... ... .... .......................................... ................................................................13

Email and Telephone Support.......................................... ... ... .... ... .......................................... ...................13

Returning Products.....................................................................................................................................13

Sales or Corporate Information ..................................................................................................................13

Warranty.....................................................................................................................................................13

Management Software Updates.................................................................................................................13

Chapter 1

Overview ...............................................................................................................................................................................................................15

Switch Descriptions ...... .......................................... .......................................... ................................................16

AT-9424Ts Switch......................................................................................................................................16

AT-9424Ts/XP Switch ......... ................................................................................ .......................................17

AT-9448Ts/XP Switch ......... ................................................................................ .......................................18

10/100/1000Base-T Twisted Pair Ports ...........................................................................................................19

Connector Type................................ ... ... ... .... ... ....................................... ... ... ... ... .... ... ... ... ..........................19

Speed.........................................................................................................................................................19

Duplex Mode ................ ... .... .......................................... .......................................... ...................................19

Maximum Distance.....................................................................................................................................19

Cable Type.................................................................................................................................................20

Auto-MDI/MDI-X .........................................................................................................................................20

Port Pinouts...................................... ... ... ... ....................................... ... .... ... ... ... ... .... ... ................................20

SFP Transceiver Slots .....................................................................................................................................21

XFP Transceiver Slots .....................................................................................................................................22

Redundant Twisted Pair Ports .........................................................................................................................23

Compact Flash Card Slot .................................................................................................................................24

Port LEDs ........ ... ... .... ... ... ... ... ....................................... ... .... ... ... ... .... ... .............................................................25

10/100/1000Base-T Twisted Pair Port LEDs..............................................................................................25

Fiber Optic Port and Transceiver Slot LEDs...............................................................................................26

System LEDs ...................................................................................................................................................27

Stack LEDs ............................... ... ... ... .... ... ... ... ....................................... ... .... ... ... ... ... .... ...................................28

AT-StackXG Stacking Module .. ... ... ... .......................................... .... ... ... ... .... ... ... ... ..........................................29

Terminal Port ...................................................................................................................................................30

AT-RPS3204 Redundant Power Supply ..........................................................................................................31

AC Power Connector .......................................................................................................................................32

Chapter 2

Installing the Hardware ...............................................................................................................................................................................33

Installation Overview ........................................................................................................................................34

Reviewing the Safety Precautions ...................................................................................................................36

5

Contents

Planning the Installation of a Stack ..................................................................................................................38

Maximum Number of Switches in a Stack .................................... ... .... ... ... ... .... ................................................39

Unpacking a Switch ..........................................................................................................................................40

Installing the AT-StackXG Stacking Module .....................................................................................................41

Installing the Power Cord Retaining Clip (AC Switches Only) ..........................................................................44

Disconnecting the Network Cables ..................................................................................................................45

Installing the Switches in an Equipment Rack ..................................................................................................46

Labeling the Switches ........................... .... ... ... .......................................... .......................................................48

Chapter 3

Preparing the Switches .............................................................................................................................................................................. 49

Powering on a Switch .......................................................................................................................................50

Starting a Local Management Session .............................................................................................................52

Verifying the AT-S63 Version Number .............................................................................................................54

Updating the AT-S63 Management Software ............................ ...... ....... ...... ....... ...... ....... ...... ....... ...... .............55

Assigning the Static Module ID Number 1 to the Master Switch .................................. .... ... ... ... .... ... ... ... ..........56

Assigning Static Module ID Numbers to the Member Switches .......................................................................59

Chapter 4

Cabling and Powering on the Stack ...................................................................................................................................................61

Cabling the AT-StackXG Stacking Modules ................................. ....................................... .............................62

Powering On the Switches of the Stack ....................................................................... .... ... ... ... .... ...................65

Verifying the Installation ...................................................................................................................................67

Troubleshooting the Discovery Process ...........................................................................................................69

Chapter 5

Cabling the Network Ports ....................................................................................................................................................................... 71

Installing Optional Transceivers .......................................................................................................................72

Installing an SFP Transceiver.....................................................................................................................72

Installing an XFP Transceiver.....................................................................................................................74

Cabling the Twisted Pair and Fiber Optic Ports ...............................................................................................76

Chapter 6

Adding and Removing Switches .......................................................................................................................................................... 77

Replacing the Master Switch .............................. ................................. ................................ .............................78

Uploading the Active Configuration File......................................................................................................78

Removing the Current Master Switch.........................................................................................................79

Configuring the New Master Switch............................................................................................................84

Connecting the New Master Switch to the Stack........................................................................................86

Adding a New Member Switch ..................... ... ... .... .......................................... ... ... ... .......................................87

Replacing a Member Switch ............................... .... ... ... ... ... .... ..........................................................................89

Chapter 7

Troubleshooting ............................................................................................................................................................................................. 91

No Master Switch .............................................................................................................................................92

Power LED is Off ..............................................................................................................................................93

Twisted Pair Port Link LED is Off .....................................................................................................................94

Fiber Optic Port Link LED is Off ......................... .... ... ... ... ... .... ... ... ... .... ... ... ... .... ... ... ... .......................................95

Transceiver is Installed but the Status is “Not Present” ......................................................................

.............96

System Fault LED is Blinking ...........................................................................................................................97

System Fault LED is Steadily On .....................................................................................................................98

Cannot Establish a Local (Out-of-Band) Management Session .......................................................................99

Switch Functions Intermittently .................................. .......................................... ... ... ... .... ... ...........................100

6

AT-9400Ts Stack Installation Guide

Appendix A

Technical Specifications ......................................................................................................................................................................... 101

Physical Specifications ..................................................................................................................................101

Environmental Specifications ................. .......................................... ... ... ... .... ... ... ... ... .....................................101

Power Specifications ......................................................................................................................................102

Certifications ..................................................................................................................................................102

RJ-45 Twisted Pair Port Pinouts ....................................................................................................................103

RJ-45 Style Serial Terminal Port Pinouts .......................................................................................................105

RPS 21-pin D-combo Port and Connector Pinouts ................ .......................................... ... ... .... ....................106

7

Contents

8

Preface

Note

This guide explains how to build an AT-9400Ts Stack of the AT-9424Ts,
AT-9424Ts/XP, and AT-9448Ts/XP Basic Layer 3 Gigabit Ethernet
Switches. This preface contains the following sections:

 “Product Documentation” on page 10
 “Where to Go First” on page 11
 “Starting a Management Session” on page 11
 “Safety Symbols Used in this Document” on page 12
 “Contacting Allied Telesis” on page 13

For instructions on how to install the switches as stand-alone units,
refer to the AT-9400 Gigabit Ethernet Switch Installation Guide.

9

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 a local or remote management session 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
Switches, refer to:

 AT-9400 Gigabit Ethernet Switch Installation Guide

(PN 613-000987)

 AT-S63 Management Software Menus User’s Guide

(PN 613-001025)

 AT-S63 Management Software Command Line User’s Guide

(PN 613-001024)

 AT-S63 Management Software Web Browser User’s Guide

(PN 613-001026)

For instructions on how to install or manage AT-9400Ts Stacks, refer to:

 AT-9400Ts Stack Installation Guide

(PN 613-001191)

 AT-S63 Management Software Command Line User’s Guide

(PN 613-001024)

 AT-S63 Management Software Web Browser User’s Guide for

AT-9400Ts Stacks
(PN 613-001028)

The installation and user guides for all the 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
them onto a local workstation or server.

10

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. The AT-S63 Management Software Features Guide is also your
resource for background information on the features of the switch. You can
refer there for the relevant concepts and guidelines when configuring a
feature for the first time.

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.

AT-9400Ts Stack Installation Guide

11

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.

12

AT-9400Ts Stack 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.

Email and
Telephone

Support

Returning

Products

Sales or

Corporate

Information

Warranty For hardware warranty information, refer to the Allied Telesis web site at

Management

Software Updates

For Technical Support via email or telephone, refer to the Allied Telesis
web site at www.alliedtelesis.com. Select your country from the list on
the web site and then select the appropriate tab.

Products for return or repair must first be assigned a return materials
authorization (RMA) number. A product sent to Allied Telesis without an
RMA number will be returned to the sender at the sender’s expense. For
instructions on how to obtain an RMA number, go to the Support section
on our web site at www.alliedtelesis.com.

You can contact Allied Telesis for sales or corporate information through
our web site at www.alliedtelesis.com.

www.alliedtelesis.com/support/warranty.

New releases of the management software for our managed products are
available from the following Internet sites:

 Allied Telesis web site: www.alliedtelesis.com
 Allied Telesis FTP server: ftp://ftp.alliedtelesis.com

If the FTP server prompts you to log on, enter “anonymous” as the user
name and your email address as the password.

13

Preface

14

Chapter 1

Note

Note

Overview

This guide explains how to install the AT-9424Ts, AT-9424Ts/XP and
AT-9448Ts/XP Gigabit Ethernet Switches as an AT-9400Ts Stack. This
chapter contains the following sections:

 “Switch Descriptions” on page 16
 “10/100/1000Base-T Twisted Pair Ports” on page 19
 “SFP Transceiver Slots” on page 21
 “XFP Transceiver Slots” on page 22
 “Redundant Twisted Pair Ports” on page 23
 “Compact Flash Card Slot” on page 24
 “Port LEDs” on page 25
 “System LEDs” on page 27
 “Stack LEDs” on page 28
 “AT-StackXG Stacking Module” on page 29
 “Terminal Port” on page 30
 “AT-RPS3204 Redundant Power Supply” on page 31
 “AC Power Connector” on page 32

Allied Telesis recommends you read Chapter 1, “Overview,” and
Chapter 2, “AT-9400Ts Stacks,” in the AT-S63 Management
Software Features Guide before you begin to install the stack.

You should not begin the installation procedures in this guide until
you have read the Software Release Notes that are included with
the latest release of the AT-S63 Management Software. The Notes
list the features that AT-9400Ts Stacks support. Stacks may not be
suitable for all network environments because they do not support all
of the same features as stand-alone AT-9400 Switches. If your
network requirements include features that are not supported in a
stack, install the switches as stand-alone devices.

15

Chapter 1: Overview

10/100/1000Base-T Ports

Port and SFP

RJ-45 Style Serial

Terminal Port

SFP Transceiver Slots

AC Power

Connector

RPS Connector

Slot LEDs

System

LEDs

1 3 5 7 9 11 13 15 17 19 21R 23R

2 4 6 8 1012 1416182022R24R

CLASS 1

LASER PRODUCT

AT-9424Ts

Gigabit Ethernet Switch

1 3 5 7 9 11 13 15 17 19 21R 23R

2 4 6 8 10 12 14 16 18 20 22R 24R

EJECT

TERMINAL

PORT

COMPACT FLASH

FAULT

RPS

MASTER

POWER

STATUS

SFP

21 22 23 24

L/A

D/C

D/C

L/AL/A

D/C

L/A

1000 LINK /

ACT

HDX /

COL

FDX

10/100 LINK / ACT

PORT ACTIVITY

STACK

PRES

MSTR

21

22

23

24

SFP

L/A

1

2

L/A

RPS INPUT

100-240VAC~

Expansion Slot

Switch Descriptions

The following sections describe the AT-9424Ts, AT-9424Ts/XP, and
AT-9448Ts/XP Gigabit Ethernet Switches.

AT-9424Ts

Switch

The AT-9424Ts 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
 Redundant power supply connector
 Compact flash card slot
 Expansion slot for the AT-StackXG Stacking Module

Figure 1 shows the front and back panels of the AT-9424Ts switch.

16

Figure 1 AT-9424Ts Switch - Front and Back Panels

AT-9400Ts Stack Installation Guide

10/100/1000Base-T Ports

Port and SFP

RJ-45 Style Serial

Terminal Port

SFP Slots

AC Power

Connector

RPS Connector

Slot LEDs

System

LEDs

1 3 5 7 9 11 13 15 17 19 21R 23R

2 4 6 8 1012 1416182022R24R

CLASS 1

LASER PRODUCT

AT-9424Ts/XP

Gigabit Ethernet Switch

1 3 5 7 9 11 13 15 17 19 21R 23R

2 4 6 8 10 12 14 16 18 20 22R 24R

EJECT

TERMINAL

PORT

COMPACT FLASH

FAULT

RPS

MASTER

POWER

STATUS

SFP

21 22 23 24

L/A

D/C

D/C

L/AL/A

D/C

L/A

1000 LINK /

ACT

HDX /

COL

FDX

10/100 LINK / ACT

PORT ACTIVITY

STACK

PRES

MSTR

21

22

23

24

SFP

L/A

1

2

L/A

L/A

25 26

XFP

XFP

XFP Slots

RPS INPUT

100-240VAC~

Expansion Slot

AT-9424Ts/XP

Switch

The AT-9424Ts/XP Basic Layer 3 Switch has these hardware features:

 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) tra nsceiver

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

Figure 2 shows the front and back panels of the AT-9424Ts/XP switch.

Figure 2 AT-9424Ts/XP Switch - Front and Back Panels

17

Chapter 1: Overview

Port

LEDs

AC Power

Connector

RPS Connector

10/100/1000Base-T Ports

XFP Transceiver

RJ-45 Style Serial

Terminal Port

Slots and LEDs

System LEDs

AT-9448Ts/XP

STATUS

FAULT

MASTER

RPS

POWER

COMPACT FLASH

TERMINAL PORT

EJECT

49 50

15135791113 17 3331 473519 21 23 25 27 29 37 39 41 43 45

1000 LINK / ACT

10/100 LINK / ACT

FDX

HDX / COL

D/C

L/A

L/A D/C

CLASS 1

LASER PRODUCT

L/A

XFP XFP

LINK / ACT

STACK

PRES

L/A

L/A

34

4836 38 40 42 44 46

3216

2468 10 12 14 22 24 26 28 30

18

20

1

2

MSTR

Expansion Slot

Compact Flash

Card Slot

AT-9448Ts/XP

Switch

The AT-9448Ts/XP Basic Layer 3 Switch has the following hardware
features:

 48 10/100/1000Base-T ports
 Two 10 Gigabit Ethernet small form factor pluggable (XFP) tran sceiver

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

Figure 3 shows the front and back panels of the AT-9448Ts/XP switch.

100-240VAC~

18

RPS INPUT

Figure 3 AT-9448Ts/XP Switch - Front and Back Panels

AT-9400Ts Stack Installation Guide

Note

Note

10/100/1000Base-T Twisted Pair Ports

This section describes the twisted pair ports on the switches.

Connector Type The ports have 8-pin RJ-45 connectors that use four pins at 10 or 100

Mbps and all eight pins at 1000 Mbps. For the pin assignments, refer to
“RJ-45 Twisted Pair Port Pinouts” on page 103.

Speed The ports can operate at 10, 100, or 1000 Mbps. The speeds can be set

automatically through Auto-Negotiation, the default setting, or manually
with the AT-S63 Management Software.

Twisted pair ports must use Auto -Negotiation to operate at 1000
Mbps. They cannot be manually set to 1000 Mbps.

Duplex Mode The twisted pair ports can operate at 10 or 100 Mbps in either half- or full-

duplex mode. (Ports that are operating at 1000 Mbps use only full-duplex
mode.) The twisted pair ports are IEEE 802.3u-compliant and can set the
duplex modes through Auto-Negotiation. You can disable Auto­Negotiation on the switch ports and set the duplex modes manually
through the AT-S63 Management Software.

Maximum

Distance

Ports that are using Auto-Negotiation to set their duplex modes
should be connected to end nodes that are also using Auto­Negotiation. Otherwise, duplex mode mismatches can occur.
Twisted pair ports that are using Auto-Negotiation default to half­duplex mode if they detect that the end nodes are not using Auto­Negotiation. If the end nodes are operating at a fixed duplex mode of
full-duplex, the ports and the end nodes will operate at different
duplex modes, which can reduce network speed and efficiency.

To avoid a duplex mode mismatch when connecting an end node
with a fixed duplex mode of full-duplex to a switch port, use the
AT-S63 Management Software to disable Auto-Negotiation on the
port and to set the port speed and duplex mode manually.

The ports have a maximum operating distance of 100 meters (328 feet).

19

Chapter 1: Overview

Cable Type Table 2 lists the cabling specifications for the 10/100/1000Base-T twisted

pair ports.

Table 2. Twisted Pair Cabling and Distances

Speed Cable Type

Maximum
Operating

Distance

Auto-MDI/

MDI-X

10 Mbps Standard TIA/EIA 568-B-compliant

Category 3 or better shielded or
unshielded cabling with 100 ohm
impedance and a frequency of 16
MHz.

100 Mbps Standard TIA/EIA 568-A-compliant

Category 5 or TIA/EIA 568-B­compliant Enhanced Category 5 (Cat
5e) shielded or unshielded cabling
with 100 ohm impedance and a
frequency of 100 MHz.

1000 Mbps Standard TIA/EIA 568-A-compliant

Category 5 or TIA/EIA 568-B­compliant Enhanced Category 5 (Cat
5e) shielded or unshielded cabling
with 100 ohm impedance and a
frequency of 100 MHz.

The twisted pair ports are IEEE 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 depending on the wiring configuration of the port on the end
node. This allows you to connect any network device to a port on the
switch using a straight-through twisted pair cable.

100 m (328 ft)

100 m (328 ft)

100 m (328 ft)

20

If Auto-Negotiation is disabled on a port and the speed and duplex mode
are set manually, the auto-MDI/MDI-X feature is also disabled and the
port’s wiring configuration defaults to the MDI-X setting. This setting can
be configured with the AT-S63 Management Software.

Port Pinouts Table 12 on page 103 has the port pinouts when the twisted pair ports are

operating at 10 or 100 Mbps in the MDI configuration. Table 13 on
page 103 has the port pinouts for the MDI-X configuration. Table 14 on
page 104 has the port pinouts for twisted pair ports that are operating at
1000 Mbps.

SFP Transceiver Slots

Note

The AT-9424Ts and AT-9424Ts/XP Switches feature four slots for optional
Gigabit Ethernet SFP transceivers. You can use the transceivers to
connect the switches to network devices over large distances using fiber
optic cable. Figure 4 illustrates an SFP transceiver.

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 their respective end
nodes. For further information, refer to “Redundant Twisted Pair Ports” on
page 23.

AT-9400Ts Stack Installation Guide

Figure 4 SFP Transceiver

For the list of supported SFP transceivers, contact your Allied
Telesis sales representative.

21

Chapter 1: Overview

Note

XFP Transceiver Slots

The AT-9424Ts/XP and AT-9448Ts/XP Switches have two slots for
optional XFP 10 Gigabit Ethernet transceivers that can be used to connect
high speed, 10 gigabit devices to the switches or to create high speed
backbone networks between the units. Figure 5 shows an example of an
XFP transceiver.

721

Figure 5 XFP Transceiver

For the list of supported XFP transceivers, contact your Allied
Telesis sales representative.

22

Redundant Twisted Pair Ports

Note

The SFP slots 21 through 24 on the AT-9424Ts and AT-9424Ts/XP
Switches are paired with twisted pair ports 21R through 24R, respectively.
The “R” in the twisted pair port numbers on the front faceplates of the units
stands for “Redundant.” Here are the guidelines to using these ports and
slots:

 Only one port in a pair -- the twisted pair port or the port on the

corresponding SFP module -- can be active at a time.

 The twisted pair port is the active port when its SFP slot is empty, or

when an SFP module is installed but has not established a link to an
end node.

 The twisted pair port automatically changes to 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.

AT-9400Ts Stack Installation Guide

 In nearly all cases, a twisted pair port and an SFP module share the

same configuration settings, including port settings, VLAN
assignments, access control lists, and spanning tree.

 An exception to the shared settings is port speed. If you disable Auto-

Negotiation on a twisted pair port and set the speed and duplex mode
manually, the speed reverts to Auto-Negotiation when an SFP module
establishes a link with an end node.

These guidelines do not apply to the XFP slots on the AT-9424T s/XP
and AT-9448Ts/XP Switches.

23

Chapter 1: Overview

Note

Note

AT-9424Ts/XP

1 3 5 7 9 11 13 15 17 19 21R 23R

2 4 6 8 10 12 14 16 18 20 22R 24R

EJECT

TER

P

COMPACT FLASH

L/A

D/C

D/C

L/AL/A

COL

STACK

PRES

MSTR

21

22

23

24

SFP

L/A

1

2

L/A

26

XFP

Compact Flash Card Slot

The switches have slots for compact flash memory cards. You can use the
cards to store configuration files or the AT-S63 Management Software
image file. Compact flash memory cards can make it easier for you to
upgrade the files on a switch or transfer files between AT-9400 Switches.

Figure 6 Compact Flash Card Slot

A flash memory card is not required for normal operations of the
switch.

The only active compact flash card slot in a stack is on the master
switch. 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
representative for more information.

To insert a compact flash card, position it so that the manufacturer’s brand
label is facing up and press it into the slot until the button marked “Eject”
pops out.

To remove the compact flash card, press the button marked “Eject” until it
is pressed in completely and then remove the compact flash card.

For information on how to transfer files to and from a flash memory card,
refer to the AT-S63 Management Software User’s Guides.

24

Port LEDs

AT-9400Ts Stack Installation Guide

The following sections describe the twisted pair and fiber optic port LEDs.

10/100/1000Base-

T Twisted Pair

Port LEDs

Each 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. The D/C LED indicates the duplex mode (full- or half-duplex) and
the status of collisions on the port.

Table 3 describes the LEDs for the 10/100/1000Base-T twisted pair ports.

Table 3 Twisted 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

Flashing
green

Solid
amber

Flashing
amber

The port has established a link at
1000 Mbps.

Packets are being received or
transmitted at 1000 Mbps.

The port has established a link at 10
or 100 Mbps.

Packets are being received or
transmitted at 10 or 100 Mbps.

D/C Duplex

Mode and
Collisions

Green The port is operating in full-duplex

mode.

Amber The port is operating in half-duplex

mode. (Only when operating at 10 or
100 Mbps.)

Flashing
amber

Collisions are occurring on the port.
(Only when operating at 10 or 100
Mbps, half duplex mode.)

25

Chapter 1: Overview

Fiber Optic Port

and Transceiver

Slot LEDs

Each 10 Gigabit Ethernet transceiver slot on the AT-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 end node.

Solid
green

Flashing
green

The port has established a link at 10
Gbps.

Packets are being received or
transmitted at 10 Gbps.

26

System LEDs

AT-9400Ts Stack Installation Guide

The system LEDs on the front panel display the general status information
described in Table 5.

Table 5 System LEDs

LED State Description

FAULT or
FLT

MASTER
or MSTR

RPS Off No optional redundant power supply is

Off Normal operation.
Solid

Red

Flashing
Red

Off The switch is not a member of an enhanced

Green The switch has an enhanced stacking status of

The switch or management software has
malfunctioned. (Refer to Chapter 7,
“Troubleshooting” on page 91 for instructions
on how to troubleshoot a problem.)

The switch is saving its configuration or is
downloading a new version of the AT-S63
Management Software.

stack or has an enhanced stacking status of
slave or unavailable.

The enhanced stacking feature is not related to
or supported on AT-9400Ts Stacks. For
information on enhanced stacking, refer to the

AT-S63 Management Software Features
Guide.

master.

connected to the switch.

POWER
or PWR

Green An optional redundant power supply is

physically connected to the switch and may be

powered on or off.
Off The switch is not receiving power.
Green The switch is receiving power.

27

Chapter 1: Overview

Stack LEDs

The Stack LEDs reflect the status of the two Stack ports on the
AT-StackXG Stacking Module. These LEDs remain off if the module is not
installed.

Table 6 Stack LEDs

LED State Description

MSTR Off The switch is not part of a stack or is a member

unit of a stack.

Green The switch is the master unit of a stack.

1 L/A Off Stack Port 1 has not established a link to a

stacking port on another AT-StackXG Stacking
Module.

Green Stack Port 1 has established a link to a

stacking port on another AT-StackXG Stacking
Module.

Flashing
Green

2 L/A Off Stack Port 2 has not established a link to a

Green Stack Port 2 has established a link to a

Flashing
Green

PRES Off The expansion slot for the AT-StackXG

Stack Port 1 has established a link to a
stacking port on another AT-StackXG Stacking
Module and is sending or receiving packet
traffic.

stacking port on another AT-StackXG Stacking
Module.

stacking port on another AT-StackXG Stacking
Module.

Stack Port 2 has established a link to a
stacking port on another AT-StackXG Stacking
Module and is sending or receiving packet
traffic.

Stacking Module is empty.

28

Green The AT-StackXG Stacking Module is installed

in the switch.

AT-StackXG Stacking Module

The AT-9424Ts, AT-9424Ts/XP, and AT-9448Ts/XP Switches have an
expansion slot on the back panels for the optional AT-StackXG Stacking
Module and its two full-duplex, 12-Gbps stacking ports. A switch must
have this module to be a part of a stack. The installation instructions are
found in “Installing the AT-StackXG Stacking Module” on page 41 and in
the installation guide that ships the module.

A

T

AT-StackXG

-LX44CPUCVR

Stack Port 1

AT-9400Ts Stack Installation Guide

Stac

k Port 2

Figure 7 AT-StackXG Stacking Module

1240

29

Chapter 1: Overview

Note

Terminal Port

The terminal port is used to establish a local (out-of-band) management
session with the switch. You establish a local management session by
connecting a terminal or a personal computer with a terminal emulation
program to the port.

All local management sessions of a stack must be conducted through the
stack’s master 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 a stack.

The terminal port has an RJ-45 style connector. An RJ-45 to RS-232
management cable is supplied with the switch.

The terminal port is set to the following specifications:

 Default baud rate: 9600 bps (Range is 9600 to 115200 bps)
 Data bits: 8
 Parity: None
 Stop bits: 1
 Flow control: None

These settings are for a DEC VT100 or ANSI terminal, or an
equivalent terminal emulation program.

30