All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesis, Inc.
Allied Telesis, Alliedware Plus 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
Warning
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 EmissionsFCC Class A, EN55022 Class A, EN61000-3-2, EN61000-3-3, VCCI
Class A, C-TICK, CE
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 SafetyEN60950-1 (TUV), EN60825-1 (TUV), UL 60950-1 (
No. 60950-1 (
CULUS
)
CULUS
), CSA-C22-2
Laser SafetyEN60825
3
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.
Online Support ........................................................................................................................................... 18
Email and Telephone Support.................................................................................................................... 18
Maximum Distance..................................................................................................................................... 26
Port Pinouts................................................................................................................................................ 27
Port LEDs ......................................................................................................................................................... 32
System STATUS LEDs..................................................................................................................................... 36
Secure Digital (SD) LED................................................................................................................................... 39
Terminal Port .................................................................................................................................................... 40
Power Over Ethernet ........................................................................................................................................ 41
Power Budgeting........................................................................................................................................ 41
Redundant Power Supplies .............................................................................................................................. 44
AC Power Connector ........................................................................................................................................ 47
Features of VCStacking.............................................................................................................................. 50
The Physical Stack .....................................................................................................................................50
Unpacking a Switch ..........................................................................................................................................67
Installing the Power Cord Retaining Clip .......................................................................................................... 68
Installing the Switches in an Equipment Rack .................................................................................................. 69
Resetting the Switch ......................................................................................................................................... 71
Installing an SFP Transceiver.....................................................................................................................80
Installing an XFP Transceiver.....................................................................................................................83
Cabling the 10/100/1000Base-T and Fiber Optic Ports .................................................................................... 85
Powering on a Switch .......................................................................................................................................86
Starting a Local Management Session.......................................................................................................87
Power LED is Off .............................................................................................................................................. 92
Twisted Pair Port Link LED is Off...................................................................................................................... 93
SFP or XFP LED is Off ..................................................................................................................................... 94
Transceiver is Installed but the Status is “Not Present” .................................................................................... 95
System Fault LED is Blinking ............................................................................................................................ 96
System Fault LED is Steadily On ...................................................................................................................... 97
Cannot Establish a Local (Out-of-Band) Management Session........................................................................ 98
Power Specifications....................................................................................................................................... 103
Figure 10. Port LEDs on x600-24Ts and x600-24Ts/XP Switches ......................................................................................32
Figure 11. Port LEDs on x600-48Ts and the x600-48Ts/XP Switches ................................................................................32
Figure 12. Port LEDs on x600-24Ts-POE Switch................................................................................................................33
Figure 13. SFP LEDs - x600-24 Port Switch .......................................................................................................................34
Figure 14. SFP LEDs - x600-48 Port Switch .......................................................................................................................35
Figure 15. XFP LEDs on x600-24Ts/XP and x600-48Ts/XP Switches................................................................................35
Figure 16. System STATUS LEDs.......................................................................................................................................36
Figure 17. Non PoE Switch STACK LEDs...........................................................................................................................37
Figure 19. Secure Digital Slot LED......................................................................................................................................39
Figure 20. AT-RPS3204 Redundant Power Supply Unit .....................................................................................................44
Figure 21. AT-LBM Module installed in x600-48Ts/XP Expansion Slot...............................................................................45
Figure 24. VCS Ring Topology Using x600 Switches..........................................................................................................52
Figure 25. Resiliency link connecting to switch ports over the ResiliencyLink VLAN ..........................................................54
Figure 26. Resiliency link connecting to switch ports over the ResiliencyLink VLAN using a network hub .........................54
Figure 27. STACK and STATUS LEDs................................................................................................................................58
Figure 28. Power Cord Retaining Clip .................................................................................................................................68
Figure 29. Inserting the Retaining Clip into the Retaining Bracket ......................................................................................68
Figure 30. Removing the Feet .............................................................................................................................................69
Figure 32. Mounting the Switch in a Rack ...........................................................................................................................70
Figure 33. Resetting the Switch...........................................................................................................................................71
Figure 35. Removing the Blank Panel from the Expansion Slot ..........................................................................................73
Figure 36. Installing the AT-StackXG Stacking Module.......................................................................................................74
Figure 37. Securing the AT-StackXG Stacking Module.......................................................................................................74
Figure 38. Removing the Plastic Protector ..........................................................................................................................75
Figure 39. Removing a Dust Plug from an SFP Slot ...........................................................................................................80
Figure 40. Installing an SFP Transceiver.............................................................................................................................81
Figure 41. Positioning Handles on the x600-24Ts and x600-24Ts/XP Switches.................................................................81
Figure 42. Positioning SFP Handles on the x600-48Ts and x600-48Ts/XP Switches......................................................... 82
Figure 43. Removing an XFP Dust Plug..............................................................................................................................83
Figure 44. Installing an XFP Transceiver.............................................................................................................................83
Figure 45. Power Cord Retaining Clip in the Up Position ....................................................................................................86
Figure 46. Connecting the AC Power Cord .........................................................................................................................86
Figure 47. Connecting the Management Cable to the RJ-45 Terminal Port on the Switch .................................................87
Figure 48. RJ-45 Connector and Port Pin Layout..............................................................................................................104
Table 2. 10/100/1000Base-T Ports Matched with SFP Slots ..............................................................................................30
Table 3. Non-PoE Switch Base-T LED Descriptions ..........................................................................................................33
Table 4. SFP Slot LED Descriptions ...................................................................................................................................35
Table 5. XFP Slot LED .......................................................................................................................................................35
Table 6. System STATUS LEDs .........................................................................................................................................36
Table 8. Secure Digital LED ...............................................................................................................................................39
Table 9. IEEE 802.3af Class vs. Power Levels ..................................................................................................................42
Table 10. Stacking Compatibility by Product Type .............................................................................................................50
Table 11. State Change Table ............................................................................................................................................53
Table 12. Stacking LED Functions .....................................................................................................................................58
Table 13. Twisted Pair Cabling and Distances ...................................................................................................................78
Table 17. RJ-45 Style Serial Terminal Port Pin Signals ...................................................................................................106
This guide contains the installation instructions for the x600 Series Layer 3
Gigabit Ethernet Switches. This preface contains the following sections:
“Product Documentation” on page 14
“Starting a Management Session” on page 15
“Safety Symbols Used in this Document” on page 16
“Where to Find Web-based Guides” on page 17
“Contacting Allied Telesis” on page 18
13
Preface
Product Documentation
For overview information about the software features of the AlliedWare
Plus
Operating System Software which runs on the x600 Series Switches,
refer to:
AlliedWare Plus
Virtual Chassis Stacking (VCS) How To Note
AT-StackXG Stacking Module Installation Guide
Operating System Software Reference Guide
14
Starting a Management Session
For instructions that describe how to start a local management session on
an x600 switch, refer to the “Starting a Local Management Session” on
page 87. For information that describes how to log onto the AlliedPlus
Operating System Software, see the AlliedWare Plus
This document uses the safety symbols defined in Table 1.
Table 1. Safety Symbols
SymbolMeaningDescription
CautionPerforming or omitting a specific action may
result in equipment damage or loss of data.
WarningPerforming or omitting a specific action may
result in electrical shock.
16
Where to Find Web-based Guides
The installation and user guides for all Allied Telesis products are available
in portable document format (PDF) on our web site at
www.alliedtelesis.com. You can view the documents online or download
them onto a local workstation or server.
This section provides Allied Telesis contact information for technical
support as well as sales and corporate information.
Online SupportYou can request technical support online by accessing the Allied Telesis
Knowledge Base at www.alliedtelesis.com/support and selecting the
“Read More” link under Knowledge Base. 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
WarrantyFor warranty information on the x600 Series Layer 3 Gigabit Ethernet
Returning
Products
Sales or
Corporate
Information
Management
Software Updates
For Technical Support via email or telephone, refer to the Support section
of the Allied Telesis web site: www.alliedtelesis.com.
Switches, go to www.alliedtelesis.com/warranty for the specific terms
and conditions of the warranty and for warranty registration.
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.
New releases of the management software for our managed products are
available from the following Internet sites:
If the FTP server prompts you to log on, enter “anonymous” as the user
name and your email address as the password.
Chapter 1
Note
Overview
This chapter contains the following sections:
“Introduction” on page 20
“Switch Descriptions” on page 21
“10/100/1000Base-T Ports” on page 26
“SFP Transceiver Slots” on page 28
“XFP Transceiver Slots” on page 29
“Combo Ports” on page 30
“SD Card Slot” on page 31
“Port LEDs” on page 32
“System STATUS LEDs” on page 36
“STACK LEDs” on page 37
“Secure Digital (SD) LED” on page 39
“Terminal Port” on page 40
“Power Over Ethernet” on page 41
“Redundant Power Supplies” on page 44
“AT-LBM (Loop Back) Module” on page 45
“VCS Stacking Module” on page 46
“AC Power Connector” on page 47
Do not begin the installation procedures in this guide until you have
read the AlliedWare Plus
Operating System Software Release Notes
that are included with the latest release of the AlliedWare PlusOperating System Software.
19
Chapter 1: Overview
Introduction
The x600 Series Switches are managed Gigabit Ethernet switches that act
as standalone units. There are five Basic Layer 3 switches in the series:
x600-24Ts Switch
x600-24Ts/XP Switch
x600-48Ts Switch
x600-48Ts/XP Switch
x600-24Ts-POE Switch
The AlliedWare Plus
Operating System Software (AW+) runs on all the
x600 switches. The x600-24Ts-POE requires AW+ software version 5.3.3
or later for IEEE 802.3af support
For more detailed information about the switches, including illustrations,
see “Switch Descriptions” on page 21.
20
x600 Series Layer 3 Gigabit Ethernet Switches Installation Guide
RPS INPUT
100-240VAC~
1310
AC Power
Connector
System
LEDs
RPS Connector
Expansion Slot with Blank Panel
13579111315171921R 23R
246810121416182022R 24R
x600-24Ts
Layer 3 Gigabit Ethernet Switch
CLASS 1
LASER PRODUCT
D/C
L/A
1000 LINK / ACT
HDX /
COL
FDX
10/100 LINK / ACT
PORT ACTIVITY
L/A
D/C
D/C
L/AL/A
PRES
MSTR
L/A
1
2
SFP
21222324
1 3 5 7 9 11 13 15 17 19 21R 23R
2 4 6 8 10 12 14 16 18 20 22R 24R
FAULT
RPS
MASTER
PWR
STATUS
21
22
23
24
SFP
L/A
BUSY
READY
FAULT
SD
RESET
CONSOLE
STACK
1329
SFP Transceiver SlotsRJ-4510/100/1000Base-T PortsPort, SFP, and SD
Slot LEDs
10/100/1000Base-T Ports
SD Slot
Console
Port
System
LEDs
SFP Transceiver Slots
RJ-4510/100/1000Base-T Ports
SD Slot
Console
Port
Switch Descriptions
The following sections describe the x600 Series Layer 3 Gigabit Ethernet
Switches.
x600-24Ts SwitchThe x600-24Ts switch has the following 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
One SD slot supporting 512KB and 1GB SD cards
Status LEDs for the ports, transceiver slots, and system
Redundant power supply connector
Expansion slot for the AT-StackXG Stacking Module
Figure 1 shows the x600-24Ts switch front and rear panels.
Figure 1. x600-24Ts Switch
21
Chapter 1: Overview
SFP Transceiver
Slots
System
LEDs
10/100/1000Base-T Ports
Port, SFP, and
SD Port LEDs
XFP Slots
AC Power
Connector
RPS ConnectorExpansion Slot with Blank Panel
SD Slot
RJ-45
Port
Console
x600-24Ts/XP
Switch
The x600-24Ts/XP switch has the following 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) transceiver
slots
An RJ-45 style serial terminal port for local (out-of-band) management
One SD slot supporting 512KB and 1GB SD cards
Status LEDs for the ports, transceiver slots, and system
Redundant power supply connector
Expansion slot for the AT-StackXG Stacking Module
Figure 2 shows the x600-24Ts/XP switch front and rear panel.
13579111315171921R 23R
246810121416182022R 24R
CLASS 1
LASER PRODUCT
SFP
21222324
PORT ACTIVITY
L/A
1000 LINK / ACT
D/C
FDX
XFPXFP
L/A
10/100 LINK / ACT
HDX /
COL
2625
STACK
MSTR
L/A
1
2
PRES
SD
1 3 5 7 9 11 13 15 17 19 21R 23R
L/A
D/C
L/AL/A
D/C
2 4 6 8 10 12 14 16 18 20 22R 24R
x600-24Ts/XP
READY
FAULT
BUSY
Layer 3 Gigabit Ethenet Switch
SFP
CONSOLE
L/A
21
22
23
24
STATUS
FAULT
MASTER
RPS
PWR
1307
RESET
22
100-240VAC~
RPS INPUT
Figure 2. x600-24Ts/XP Switch
1310
x600 Series Layer 3 Gigabit Ethernet Switches Installation Guide
x600-48Ts
Layer 3 Gigabit Ethernet Switch
FDX
HDX / COL
D/C
1000 LINK / ACT
10/100 LINK / ACT
L/A
L/A D/C
1513579111317333147351921232527293739414345
34
48363840424446
3216
24681012142224262830
18
20
STATUS
FAULT
MASTER
RPS
PWR
PRES
MSTR
L/A
L/A
1
2
STACK
L/A
SFP
BUSY
READY
FAULT
SD
RESET
CONSOLE
CLASS 1
LASER PRODUCT
1330
10/100/1000Base-T Ports and LEDs
SFP Slots
RPS INPUT
100-240VAC~
1310
AC Power
Connector
RPS ConnectorExpansion Slot with Blank Panel
System LEDs
SD Slot
RJ-45
Port
Console
x600-48Ts SwitchThe x600-48Ts switch has the following hardware features:
44 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
One SD slot supporting 512KB and 1GB SD cards
Status LEDs for the ports, transceiver slots, and system
Redundant power supply connector
Expansion slot for the AT-StackXG Stacking Module
Figure 3 shows the x600-48Ts switch front and rear panel.
Figure 3. x600-48Ts Switch
23
Chapter 1: Overview
System
AC Power
Connector
Expansion Slot with AT-LBM Module
RJ-45
10/100/1000Base-T Ports and LEDs
SFP Slots
XFP Slots
LEDs
RPS Connector
SD Slot
Port
Console
SFP Slots
x600-48Ts/XP
Switch
The x600-48Ts/XP switch has the following hardware features:
44 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
One SD slot supporting 512KB and 1GB SD cards
Status LEDs for the ports, transceiver slots, and system
Redundant power supply connector
AT-LBM (Loop Back) module installed in the rear of the switch
Figure 4 shows the x600-48Ts/XP switch front and rear panel.
10/100 LINK / ACT
L/AD/C
D/C
L/A
1513579111317333147351921232527293739414345
24681012142224262830
1000 LINK / ACT
20
18
HDX / COL
FDX
3216
34
SFP
L/A
48363840424446
SD
CLASS 1
LASER PRODUCT
LINK / ACT
XFPXFP
4950
x600-44Ts/XP
Layer 3 Gigabit Ethernet Switch
L/A
READY
BUSY
FAULT
CONSOLE
STATUS
STACK
FAULT
MSTR
L/A
MASTER
1
L/A
RPS
2
PWR
PRES
RESET
1308
24
100-240VAC~
RPS INPUT
Figure 4. x600-48Ts/XP Switch
AT-LBM
1309
x600 Series Layer 3 Gigabit Ethernet Switches Installation Guide
1596
x600-24Ts-POE
Layer 3 Gigabit Ethernet Switch
13579111315171921R 23R
246810121416182022R 24R
CLASS 1
LASER PRODUCT
SFP
21222324
L/A
PoE
PoE
L/AL/A
MSTR
L/A
1
2
STACK
1 3 5 7 9 11 13 15 17 19 21R 23R
2 4 6 8 10 12 14 16 18 20 22R 24R
STATUSCONSOLE
FAULT
RPS
MASTER
PWR
21
22
23
24
SFP
L/A
PORT ACTIVITY
RESET
READY BUSY FAULT
SD
Stack, Port, SFP
and SD Slot LEDs
SFP
Transceiver
Slots
RPS INPUT
100-240VAC~
1597
STACK PORT 1
STACK PORT 2
System
LEDs
RPS Connector
10/100/1000Base-T Ports
RJ-45
Console
Port
VCS
Stacking Ports
AC Power
Connector
SD Slot
SFP
Transceiver
Slots
x600-24TS-POEThe x600-24Ts-POE switch has the following hardware features:
24 10/100/1000Base-T ports with Power over Ethernet (PoE)
capability.
Four Gigabit Ethernet small form-factor pluggable (SFP) transceiver
slots
An RJ-45 style serial terminal port for local (out-of-band) management
One SD slot supporting 512KB and 1GB SD cards
Status LEDs for the ports, transceiver slots, and system
Redundant power supply connector
Two VCS Stacking ports on rear panel
Figure 5 shows the x600-24Ts-POE switch front and rear panel.
Figure 5. x600-24Ts-POE Switch
25
Chapter 1: Overview
Note
10/100/1000Base-T Ports
This section describes the 10/100/1000Base-T ports on the switches.
Connector TypeThe ports are 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 104.
SpeedA port’s speed can be 10, 100, or 1000 Mbps. The speed can be set
automatically through Auto-Negotiation, the default setting, or manually
with the AlliedWare Plus
Duplex ModeA 10/100/1000Base-T port can operate in either half- or full-duplex mode.
(Full-duplex mode is the only mode available when a port is operating at
1000 Mbps.) The 10/100/1000Base-T ports are IEEE 802.3u-compliant
and Auto-Negotiate the duplex mode setting.
Operating System Software.
You can disable Auto-Negotiation on the switch ports and set the duplex
mode manually through the AlliedWare Plus
In order for a switch port to successfully Auto-Negotiate its duplex
mode with a 10 or 100 Mbps end node, the end node must also be
configured for Auto-Negotiation. Otherwise, a duplex mode
mismatch can occur. A switch port using Auto-Negotiation defaults
to half-duplex if it detects that the end node is not using AutoNegotiation. This results in a mismatch if the end node is operating
at a fixed duplex mode of full-duplex.
To avoid this problem when connecting an end node with a fixed
duplex mode of full-duplex to a switch port, use the AlliedWare PlusOperating System Software to disable Auto-Negotiation on the port
and set the port speed and duplex mode manually.
Please be aware that disabling Auto-Negotiation also disables
Auto-MDI/MDIX. The port’s wiring configuration defaults to the MDIX setting. This setting can be configured with the AlliedWare Plus
Operating System Software.
Operating System Software.
26
Maximum
Distance
The ports have a maximum operating distance of 100 meters (328 feet).
x600 Series Layer 3 Gigabit Ethernet Switches Installation Guide
Cable TypeThe 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 range that extends to 16 MHz.
For 100 Mbps operation: Standard TIA/EIA 568-A-compliant Category
5 or TIA/EIA 568-B-compliant Enhanced Category 5 (Cat 5e) shielded
or unshielded cabling with 100 ohm impedance and a frequency range
that extends to 100 MHz.
For 1000 Mbps operation: Standard TIA/EIA 568-A-compliant
Category 5 or TIA/EIA 568-B-compliant Enhanced Category 5 (Cat 5e)
shielded or unshielded cabling with 100 ohm impedance and a
frequency range that extends to 100 MHz.
Auto-MDI/
MDI-X
The 10/100/1000Base-T ports on the switch 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 feature allows you to use a
straight-through twisted pair cable when connecting any network device to
a port on the switch.
Disabling Auto-Negotiation on a port and setting the speed and duplex
mode manually also disables the auto-MDI/MDI-X feature. A port where
Auto-Negotiation has been disabled defaults to MDI-X. Disabling AutoNegotiation may require manually configuring a port’s MDI/MDI-X setting
or using a crossover cable.
Port PinoutsThe port pinout information is listed in Appendix A, Technical
Specifications.
When operating at 10 or 100 Mbps in the MDI configuration, refer to
the specifications in Table 14 on page 104.
When operating at 10 or 100 Mbps in the MDI-X configuration, refer to
the specifications in Table 15 on page 104.
When a 10/100/1000Base-T port operates at 1000 Mbps, refer to the
specifications in Table 16 on page 105.
27
Chapter 1: Overview
Note
SFP Transceiver Slots
All of the x600 Series switches feature slots for four optional Gigabit
Ethernet SFP transceivers. These slots support both fiber optic and
copper transceivers. Fiber optic transceivers let you connect the switches
to other network devices over long distances using fiber optic cables.
Copper transceivers allow you to add more twisted pair ports to your x600
Series switch. Figure 6 illustrates an SFP transceiver.
Figure 6. SFP Transceiver
Refer to “Installing an SFP Transceiver” on page 80 for the SFP
installation instructions.
For a list of supported SFP transceivers, contact your Allied Telesis
sales representative.
28
XFP Transceiver Slots
Note
The x600-24Ts/XP and the x600-48Ts/XP Switches have two slots for
optional XFP 10 Gigabit Ethernet transceivers that you can use to connect
high speed, 10 gigabit devices to the switch or to create high speed
backbone networks between switches. Figure 7 shows an example of an
XFP transceiver.
x600 Series Layer 3 Gigabit Ethernet Switches Installation Guide
721
Figure 7. XFP Transceiver
Refer to “Installing an XFP Transceiver” on page 83 for the XFP
installation instructions.
For a list of supported XFP transceivers, contact your Allied Telesis
sales representative.
29
Chapter 1: Overview
Combo Ports
The 10/100/1000Base-T ports 21R to 24R are paired with the four SFP
slots to form four combo ports on the 24 port x600 Series switches. The
10/100/1000Base-T ports are identified with the letter “R” for “Redundant”
as part of their number on the faceplate of the unit. The ports and slots are
listed in Table 2.
Table 2. 10/100/1000Base-T Ports Matched with SFP Slots
ModelsPorts and Slots
x600-24Ts
x600-24Ts/XP
x600-24Ts-POE
Port 21R with SFP slot 21
Port 22R with SFP slot 22
Port 23R with SFP slot 23
Port 24R with SFP slot 24
Follow these guidelines when using these ports and slots:
Only one port in a pair, either a 10/100/1000Base-T port or a
corresponding SFP module can be active at a time.
A 10/100/1000Base-T 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.
A 10/100/1000Base-T port automatically changes to the redundant
status mode when an SFP module establishes a link with an end node.
A 10/100/1000Base-T port automatically transitions back to the active
status when the link is lost on an SFP module.
In nearly all cases, a 10/100/1000Base-T port and an SFP module
share the same configuration settings, including port settings, VLAN
assignments, access control lists, and Spanning Tree Protocol
settings.
An exception to the shared settings is port speed. If you disable Auto-
Negotiation on an 10/100/1000Base-T 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.
30
The PoE power supplied from ports 21R, 22R, 23R and 24R is
unaffected by insertion of an SFP module in to the corresponding SFP
combo port.
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