Aruba S2500 Series
Mobility Access Switch
Installation Guide
www.arubanetworks.com
1344 Crossman Avenue
Sunnyvale, California 94089
Phone: 408.227.4500
Fax 408.227.4550
Aruba S2500 Series Mobility Access Switch | Installation Guide 0511044-05 | April 2014
Copyright
© 2014 Aruba Networks, Inc. Aruba Networks trademarks include , Aruba Networks®, Aruba Wireless Networks®,
the registered Aruba the Mobile Edge Company logo, Aruba Mobility Management System®, Mobile Edge Architecture®, People Move.
Networks Must Follow®, RFProtect®, Green Island®. All rights reserved. All other trademarks are the property of their respective owners.
Open Source Code
Certain Aruba products include Open Source software code developed by third parties, including software code subject to the GNU
General Public License (GPL), GNU Lesser General Public License (LGPL), or other Open Source Licenses. Includes software from Litech
Systems Design. The IF-MAP client library copyright 2011 Infoblox, Inc. All rights reserved. This product includes software developed by
Lars Fenneberg et al. The Open Source code used can be found at this site:
http://www.arubanetworks.com/open_source
Legal Notice
The use of Aruba Networks, Inc. switching platforms and software, by all individuals or corporations, to terminate other vendors’ VPN
client devices constitutes complete acceptance of liability by that individual or corporation for this action and indemnifies, in full, Aruba
Networks, Inc. from any and all legal actions that might be taken against it with respect to infringement of copyright on behalf of those
vendors.
Warranty
This hardware product is protected by an Aruba warranty. For details, see Aruba Networks standard warranty terms and conditions.
Aruba S2500 Series Mobility Access Switch | Installation Guide |3
Contents
Preface ..................................................................................................... 5
Guide Overview .....................................................................................................5
Related Documents ...............................................................................................5
Contacting Support ...............................................................................................6
S2500 Mobility Access Switch................................................................ 7
Package Checklist.................................................................................................7
Front Panel ............................................................................................................8
10/100/1000 Ethernet Ports............................................................................9
Power/Status and Stack LED Indicators.......................................................11
LCD Panel .....................................................................................................12
Uplink Ports...................................................................................................15
Rear Panel ...........................................................................................................16
Management Port .........................................................................................16
Mini USB Console Connector .......................................................................17
Console Port .................................................................................................17
USB Interface................................................................................................18
SHUTDOWN LED..........................................................................................18
Power Supply................................................................................................18
SFP and SFP+ Modules ......................................................................................19
Direct Attach Cables............................................................................................20
Installation.............................................................................................. 21
Precautions..........................................................................................................21
Selecting a Location ............................................................................................22
Rack Mount Installation- Standard......................................................................22
Required Tools and Equipment ....................................................................22
Installation Steps...........................................................................................22
Rack Mount Installation- Mid ..............................................................................24
Required Tools and Equipment ....................................................................24
Installation Steps...........................................................................................24
Wall Mount Installation ........................................................................................25
Required Tools and Equipment ....................................................................25
Installation Steps...........................................................................................25
Table or Shelf Installation ....................................................................................27
Required Tools and Equipment ....................................................................27
Installation Steps...........................................................................................27
Connecting the AC Power Cord ..........................................................................27
Installing an SFP..................................................................................................28
Removing an SFP .........................................................................................28
Connecting an LC Fiber Optic Cable ............................................................28
Installing a Direct Attach Cable ...........................................................................29
DAC Removal................................................................................................30
4|Aruba S2500 Series Mobility Access Switch | Installation Guide
Specifications, Safety, and Compliance.............................................. 31
S2500 Specifications...........................................................................................31
Physical.........................................................................................................31
Power Specifications (AC Input Requirements) ............................................31
Operating Specifications...............................................................................31
Storage Specifications ..................................................................................31
Safety and Regulatory Compliance.....................................................................31
Electromagnetic Interference ........................................................................32
Battery Statements .......................................................................................33
Proper Disposal of Aruba Equipment ..................................................................33
Waste of Electrical and Electronic Equipment..............................................33
European Union RoHS..................................................................................34
China RoHS ..................................................................................................34
Aruba S2500 Series Mobility Access Switch | Installation Guide Preface | 5
Preface
This document describes the hardware features of the Aruba S2500 Series Mobility Access Switch. It
provides a detailed overview of the physical and performance characteristics of each mobility access switch
model and explains how to install the mobility access switch and its accessories.
Guide Overview
Chapter 1, “S2500 Mobility Access Switch” on page 7 provides a detailed hardware overview of the S2500
mobility access switch and each of its components.
Chapter 2, “Installation” on page 21 describes how to install the S2500 in a number of ways and how to
install each its components.
Chapter 3, “Specifications, Safety, and Compliance” on page 31 lists the S2500’s technical specifications
and safety and regulatory compliance information.
Related Documents
The latest ArubaOS User Guide and ArubaOS CLI Reference Guide which are required for the complete
management of an Aruba Mobility Access Switch can be found at
www.arubanetworks.com/documentation.
6| Preface Aruba S2500 Series Mobility Access Switch | Installation Guide
Contacting Support
Main Site arubanetworks.com
Support Site support.arubanetworks.com
Airheads Social Forums and
Knowledge Base
community.arubanetworks.com
North American Telephone 1-800-943-4526 (Toll Free)
1-408-754-1200
International Telephones http://www.arubanetworks.com/support-services/support-program/
contact-support
Software Licensing Site licensing.arubanetworks.com
End of Support information http://www.arubanetworks.com/support-services/end-of-life-products/
end-of-life-policy/
Wireless Security Incident
Response Team (WSIRT)
http://www.arubanetworks.com/support-services/security-bulletins/
Support Email Addresses
Americas and APAC [email protected]
EMEA [email protected]
WSIRT Email
Please email details of any
security problem found in an
Aruba product.
Aruba S2500 Series Mobility Access Switch | Installation Guide S2500 Mobility Access Switch | 7
Chapter 1
S2500 Mobility Access Switch
The Aruba S2500 Mobility Access Switch is a multiport Ethernet mobility access switch that offers Layer 2
and Layer 3 switching and the capability to act as a wired access point (AP).
The S2500 series includes four models that provide varying levels of functionality.
Package Checklist
Inform your supplier if there are any incorrect, missing, or damaged parts. If possible, retain the carton,
including the original packing materials. Use these materials to repack and return the unit to the supplier if
needed.
The Aruba S2500 requires ArubaOS 7.1.2 or later.
Table 2 Aruba S2500 Mobility Access Switch models
Model Access Ports PoE/PoE+ Ports Uplink
Ports
S2500-24P 24x 10/100/1000Base-T 24 4
S2500-48P 48x 10/100/1000Base-T 48 4
S2500-24T 24x 10/100/1000Base-T 0 4
S2500-48T 48x 10/100/1000Base-T 0 4
Table 3 Package Contents
Item Quantity
Aruba S2500-XX 1
Rack Mounting Brackets 2
M6 x 15mm Rack Mounting Screws 4
M4 x 8mm Rack Mount Bracket Screws 8
M6 x 7mm Grounding Screws 2
Rubber Feet 4
AC Power Cord Retaining Clip 1
50cm Direct Attach Cable (DAC) 1
Aruba S2500 Installation Guide (Printed) (This document) 1
8| S2500 Mobility Access Switch Aruba S2500 Series Mobility Access Switch | Installation Guide
Front Panel
The front panel of the Aruba S2500 mobility access switch consists of the following components:
24 or 48 10/100/1000BASE-T Ethernet ports
LINK/ACT and Status LEDs
Power/Status and Stack LED
LCD Panel and Navigation Buttons
4 Uplink ports
Figure 1 shows the front panel of the S2500 24-Port and Figure 2 shows the front panel of the S2500 48-Port.
Figure 1 Front Panel of the Aruba S2500 24-Port
Quick Start Guide (Printed) 1
End User License Agreement (Printed) 1
Aruba Document Pointer (Printed) 1
Table 3 Package Contents (Continued)
Item Quantity
Optional accessories, such as SFP modules, are available for use with the Aruba S2500 Series and are sold
separately. Contact your Aruba sales representative for details and assistance.
5
4
123
Aruba S2500 Series Mobility Access Switch | Installation Guide S2500 Mobility Access Switch | 9
Figure 2 Front Panel of the Aruba S2500 48-Port
10/100/1000 Ethernet Ports
Depending on the model, the S2500 is equipped with 24 or 48 10/100/1000BASE-T Gigabit Ethernet (RJ-45)
ports. Gigabit Ethernet uses all eight wires and each pair is used in a bi-directional fashion, meaning the
same pairs are used for both data transmission and reception. Figure 3 illustrates the CAT-5 pin-out found
on an RJ-45 connector. The CAT-5 pin-out pairs the following pins on a 10/100/1000Base-T Gigabit Ethernet
port: 1/2, 3/6, 4/5, and 7/8. All Power over Ethernet (PoE) capable ports support IEEE 802.3af PoE, providing
Table 4 Front Panel Components
Callout Component Description
1 Power, Status, Stack LEDs Used for basic monitoring of the S2500
2 LCD Screen Used for the Quick Setup, controlling the LED behavior, and other basic
configurations
3 Menu and Enter Buttons Used to navigate the LCD screen
4 Access Ports 10/100/1000 Ethernet Ports
5 Uplink Ports 10GBASE-X Ports
5
4
123
10 | S2500 Mobility Access Switch Aruba S2500 Series Mobility Access Switch | Installation Guide
up to 15.4 W of DC power, and IEEE 802.3at Power over Ethernet Plus (PoE+), supplying up to 30.0 W of DC
power to connected devices, but the power per port is subject to the total power available in the chassis.
For more information on PoE and S2500 Power Supplies, see “Power Supply” on page18.
Figure 3 Gigabit Ethernet Port Pin-Out
Port LEDs
Each 10/100/1000 Ethernet port is equipped two LEDs that allow you to monitor the status of and activity on
the port. These LEDs provide basic monitoring of the status, activity, and basic configuration of each port.
LINK/ACT: on the left side of the port, displays the link status and activity of the port.
Status: on the right side of the port, displays the status of the port. The information displayed by this
LED changes based on LCD’s mode. The LED behavior for each mode is describe in Table 5.
Table 5 10/100/1000 Ethernet Port LEDs
LED Function LCD Mode Indicator Status
LINK/ACT Link status N/A Green (Solid) Link has been established
Green (Blinking) Activity on link
Off No link
1000Base-T Gigabit
Ethernet Port
RJ-45 Female
Pin-Out
Signal Name
1
2
3
4
5
6
7
8
BI_DC+
BI_DC-
BI_DD+
BI_DD-
BI_DA+
BI_DA-
BI_DB+
BI_DB-
Function
Bi-directional pair +C
Bi-directional pair -C
Bi-directional pair +D
Bi-directional pair -D
Bi-directional pair +A
Bi-directional pair -A
Bi-directional pair +B
Bi-directional pair -B
Aruba S2500 Series Mobility Access Switch | Installation Guide S2500 Mobility Access Switch | 11
Power/Status and Stack LED Indicators
In addition to the LEDs on each individual port, there are three additional LEDs on the front panel that
provide overall status of the device. These LEDs provide basic monitoring of the overall status of the S2500.
Status Port status Administrative Green (Solid) Port Enabled
Off Port Administratively Disabled
Duplex Green (Solid) Full-duplex
Off Half-duplex
PoE Green (Solid) PoE Enabled
Green (Blinking) Power enabled, but power denied due to
unavailability
Off PoE not enabled
Speed Green (Solid) 1000 Mbps
Off 10/100 Mbps
Fault Green (blinking) Indicates port security errors. Port security errors
could be the following:
MAC limit exceeded
Loop is detected through loop-protect
RA guard error
BPDU guard error
Off N/A
Table 6 Power/Status and Stack LEDs
LED Function Indicator Status
Power Input power status/
system status
Green (Solid) Power On
Off Power Off
Status Module status Green (Solid) Operational
Green (Blinking) Device is loading software (on initial start only)
Amber (Blinking) Major Alarm
Amber (Solid) Critical Alarm
Off System is not booting
Table 5 10/100/1000 Ethernet Port LEDs (Continued)
LED Function LCD Mode Indicator Status
12 | S2500 Mobility Access Switch Aruba S2500 Series Mobility Access Switch | Installation Guide
LCD Panel
The S2500 is equipped with an LCD panel that displays a variety of information about the mobility access
switch’s status and provides a menu that allows for basic operations such as initial setup and reboot. The
LCD panel displays two lines of text with a maximum of 16 characters on each line. When using the LCD
panel, the active line is indicated by an arrow next to the first letter.
Figure 4 LCD Panel
The LCD panel is operated using the two navigation buttons to the left of the screen.
Menu: Allows you to navigate through the menus of the LCD panel.
Enter: Confirms and executes the action currently displayed on the LCD panel.
The LCD has four modes:
Boot: Displays the boot up status.
LED Mode: Displays the mode that the Port status LED is in.
Status: Displays the status of different components of the S2500, including Stacking Ports, Power
Supplies, and ArubaOS version.
Maintenance: Allows you to execute some basic operations of the S2500 such as uploading an image or
rebooting the system.
Stack Stacking indication Green (Solid) Primary
Green (Blinking) Secondary
Off Linecard (Stack Member)
Table 7 LCD Panel Mode: Boot
Function/Menu Options Displays
Displays boot status “Booting ArubaOS...
Table 6 Power/Status and Stack LEDs (Continued)
LED Function Indicator Status
POWER MENU
ENTER
STATUS
STACK
1
2
3
Aruba S2500 Series Mobility Access Switch | Installation Guide S2500 Mobility Access Switch | 13
The LED mode menu allows you to choose what information is communicated by the LEDs on each port.
Refer to Table 5 on page 10 descriptions of the LED behavior of each mode.
Table 8 LCD Panel Mode: LED Mode
Function/Menu Options Displays
Administrative LED MODE: ADM - displays whether or not the port is administratively enabled or
disabled.
Duplex LED MODE: DPX - displays the duplex mode of the port.
PoE LED MODE: POE - displays the PoE status of the port.
Speed LED MODE: SPD - displays the speed of the port.
Fault LED MODE: FLT - enables Fault Mode, which reports that a port security error has
been detected on the port.
Exit LED Mode EXIT LED MENU
Table 9 LCD Panel Mode: Status
Function/Menu Options Displays
Stack Displays the device’s role in the stack and slot number.
ArubaOS Version ArubaOS X.X.X.X
PS Status Displays status of the power supply unit.
PSU: [OK | Err]
Fan Tray Displays fan tray status.
FAN STATUS: [OK | Err]
FAN Speed: [OK | High | Low]
Exit Status Menu EXIT STATUS
Table 10 LCD Panel Mode: Maintenance
Function/Menu Options Displays
Upgrade Image Upgrade the software image on the selected partition from a predefined location on
the attached USB flash device.
Standalone: Partition [0 | 1] Upgrade Image [no | yes]
Primary: Partition [0 | 1] Upgrade Image [no | yes]
Non-Primary: N/A
Upload Config Uploads the mobility access switch’s current configuration to a predefined location
on the attached USB flash device.
Standalone: Upload Config [no | yes]
Primary: Upload Config [no | yes]
Non-Primary: N/A
14 | S2500 Mobility Access Switch Aruba S2500 Series Mobility Access Switch | Installation Guide
Disabling the LCD Screen
By default, the LCD screen is enabled. However, if your S2500 is deployed in a location without physical
security, the LCD screen can be disabled through the CLI. When disabled, pushing one of the navigation
buttons will only illuminate the screen and display the slot, role, device name, and any alarms.
Additionally, it is possible to only disable the maintenance menu. This allows you to change the LED
behavior and view the device status but prevents upgrades and configuration changes.
To disable the LCD screen, enter the Enable mode and use the following CLI commands:
(S2500) #configure terminal
(S2500) (config) #lcd-menu
(S2500) (lcd-menu) #disable menu
To disable only the Maintenance menu or one of its sub-menus, enter the Enable mode and use the
following CLI commands:
(S2500) #configure terminal
(S2500) (config) #lcd
(S2500) (lcd-menu) #disable menu maintenance ?
factory-default
media-eject
quick-setup
system-halt
system-reboot
upgrade-image
upload-config
(S2500) (lcd-menu) #disable menu maintenance upgrade-image ?
parition0
partition1
Factory Default Allows you to return the mobility access switch to the factory default settings.
Standalone: Factory Default [no | yes]
Primary: Factory Default [no | yes]
Non-Primary: N/A
Media Eject Completes the reading or writing of the attached USB device.
All: Media Eject [no | yes]
System Reboot Allows you to reboot the mobility access switch.
Standalone: Reboot [stack | local] [no | yes]
Primary: Reboot [stack | local] [no | yes]
Non-Primary: Reboot local [no | yes]
System Halt Allows you to halt the mobility access switch.
Standalone: Halt [stack | local] [no | yes]
Primary: Halt [stack | local] [no | yes]
Non-Primary: Halt local [no | yes]
GUI Quick Setup Enables the quick setup mode for initial configuration. Pressing enter while this
option is selected will display Quick Setup running.
Exit Maintenance Menu EXIT MAINTENANCE
Table 10 LCD Panel Mode: Maintenance (Continued)
Function/Menu Options Displays
Aruba S2500 Series Mobility Access Switch | Installation Guide S2500 Mobility Access Switch | 15
Uplink Ports
Each S2500 is equipped with four 10GBASE-X ports. These ports are intended for use with Aruba supported
SFPs/SFP+.
These ports can be used as uplink ports or a combination of two uplink ports and two stacking ports. By
default, Ports 0 and 1 are configured as uplink ports and Ports 2 and 3 are configured as ArubaStack ports.
The ArubaStack ports are indicated by a box around the port number. These port assignments can be
changed to meet your configuration needs from the CLI.
10GBASE-X Port LEDs
Each 10GBASE-X port has two LEDs. These LEDs are used to monitor the status and activity on each port.
Depending the LED mode selected through the LCD panel, the displayed information will be different. For
more information on the LCD panel, see “LCD Panel” on page12.
Table 11 10GBASE-X Port LEDs
LED Function LCD Mode Indicator Status
LINK/ACT Link status N/A Green (Solid) A 1G or 10G link has been established
Green (Blinking) Activity on link
Off No link
Status Port status Administrative Green (Solid) Port Enabled
Off Port Administratively Disabled
Duplex Green (Solid) Full-duplex
Off N/A
Speed Green (Solid) 10 Gbps
Off 1 Gbps
PoE Off N/A
16 | S2500 Mobility Access Switch Aruba S2500 Series Mobility Access Switch | Installation Guide
Rear Panel
The rear panel of the Aruba S2500 mobility access switch consists of the following components:
10/100/1000BASE-T Management port
RJ-45 Console port
USB 2.0 interface
Mini USB console port
Shutdown LED
Power Connector
Figure 5 Rear Panel
Figure 6 Rear Ports
Management Port
The S2500 is a equipped with one 10/100/1000BASE-T Gigabit Management (RJ-45) port.
The management port provides 10/100/1000 Mbps Ethernet access to the S2500 CLI, SNMP, and Web
interface for complete system management and troubleshooting. It can also be used to connect to a
separate management network.
SHUTDOWN
CONSOLE MGMT
CONSOLE
Aruba S2500 Series Mobility Access Switch | Installation Guide S2500 Mobility Access Switch | 17
The management port has an LINK/ACT LED on its left side and Speed LED on its right side. During
operation, the LED provides the following status information:
Mini USB Console Connector
The S2500 is equipped with one Mini USB connector (see Figure 6) that provides console access for direct
local access. If you are connected using the Mini USB connector and the RJ-45 Console Port, the Mini USB
connection will take priority.
Mini USB Driver
To use the Mini USB console port, you must install the Aruba Mini USB driver on the computer that will
manage your S2500. To download the driver:
1. Go to https://support.arubanetworks.com.
2. Click on the Tools & Resources tab.
3. Open the USB Console Driver folder.
4. Open the Mobility Controller and Mobility Access Switch folder.
5. Select the file appropriate to your application. The corresponding operating system is in the file name.
Console Port
A serial console port is provided for connection to a terminal, allowing for direct local management. The
port’s RJ-45 female connector accepts an RS-232 serial cable with a male connector.
Figure 7 Serial Console Port Pin-Out
Table 12 S2500 10/100/1000BASE-T (RJ-45) Management Port
LED Function Indicator Status
LINK/ACT Link Status Information Green (Solid) Link has been established
Green (Blinking) Link activity
Off No link on port
Speed Interface Speed Green (Solid) 1000Mbps
Off 10/100Mbps
The console port is equipped with two LEDs, however these LEDs do not have a function and will not turn on.
Serial
Console Port
1
2
3
4
5
6
7
8
TxD
GND
RxD
RJ-45 Female
Pin-Out
Direction
Input
Output
GND
18 | S2500 Mobility Access Switch Aruba S2500 Series Mobility Access Switch | Installation Guide
Communication settings for the serial console port are indicated in the following table:
USB Interface
The S2500 is equipped with one USB 2.0 interface (see Figure 6). A USB storage device can be used to save
and upload configurations to the mobility access switch. USB functions are controlled through the LCD
panel on the front of the mobility access switch. For more information on the LCD panel and its functions,
see “LCD Panel” on page12.
SHUTDOWN LED
The S2500 is equipped with a SHUTDOWN LED (see Figure 6), which serves two functions:
If you execute the system halt command from the CLI or the LCD screen, the SHUTDOWN LED will
become red once the system halt is complete.
If the temperature of the S2500 exceeds the temperature threshold, the SHUTDOWN LED turns on and
the S2500 shutsdown to protect itself from damage. The CPU threshold is 212 ºF (100 ºC). To check the
temperature of the chassis at anytime, scroll to the Environmental screen under the Status menu on
LCD.
Figure 8 AC Power Connector
Power Supply
The Aruba S2500 is equipped with one integrated AC power supply (150W or 580W, depending on the
model).
150W Power Supply: This power supply has a single voltage rail, at 12V, and does not support PoE.
Table 13 Console Terminal Settings
Baud Rate Data Bits Parity Stop Bits Flow Control
9600 8 None 1 None
!
CAUTION
The CONSOLE port is compatible only with RS-232 devices. Do not insert any cable from a PoE-powered port in
this port because this may damage the system.
The S2500 software also sends traps to provide a warning once the system temperature approaches the system
tolerance. Additionally, you can monitor the current system status using the CLI or LCD Screen. For more
information on traps and system monitoring, see the latest ArubaOS User Guide for Mobility Access Switch.
AC IN
Aruba S2500 Series Mobility Access Switch | Installation Guide S2500 Mobility Access Switch | 19
580W Power Supply: This power supply has two voltage rails, one at 12V and the other at 56V, and is
capable of supporting PoE.
PoE
The S2500-P models support PoE (802.3af) and PoE+ (802.3at) to provide power to connected devices. PoE/
PoE+ is enabled by default to provide plug and play capability for PoE capable devices. The S2500 has three
PoE Management Modes:
Dynamic Mode: This the default mode. The per port power budgeted from the total power supplied from
the PSUs is equal the amount of power consumed by the port.
Static Mode: The amount of power used by a specific port is the maximum power configured on that
port by the user. This mode ensures that the maximum power specified by the user is reserved and not
shared with other ports.
Class-based Mode: The power allotted to the port is the maximum amount of power for the class of
powered device connect to that port.
PoE Priority
If the S2500 experiences a reduction in power while the entire power pool is being used, the S2500 will
begin disabling ports based on port priority until the required power is available again. Ports with a lower
priority will stop receiving power before ports of a higher priority. Port priority can be configured by the
user to ensure that necessary devices have power whenever possible. However, if any number of ports have
the same priority, ports with the higher interface number will stop receiving power first.
For example:
If interface 0/0/4 and interface 0/0/10 have the same priority but there is not enough power for both, the
S2500 will eliminate 0/0/10 first.
SFP and SFP+ Modules
SFP Modules, also known as mini-GBICs, are hot-swappable Gigabit Ethernet transceivers that provide
optical or copper connections to other devices.
For more information on PoE and PoE management, see the latest ArubaOS User Guide for Mobility Access Switch.
Aruba tests and supports Aruba approved optics within their mobility access switch systems. Non-approved, third
party optics are not tested or supported; therefore, Aruba does not guarantee proper functionality of non-approved,
third party optics when used in an Aruba system. For a complete list of Aruba approved optics, contact your Aruba
sales representative.
Table 14 Supported SFPs
SFP Description
SFP-SX Aruba SFP, 1000BASE-SX, LC Connector
SFP-LX Aruba SFP, 1000BASE-LX, LC Connector
SFP-TX Aruba SFP, 1000BASE-T, RJ-45 Connector
SFP-10G-SR Aruba SFP+, 10GBASE-SR, 850nm serial pluggable SFP+ optic, LC Connector
20 | S2500 Mobility Access Switch Aruba S2500 Series Mobility Access Switch | Installation Guide
Direct Attach Cables
Direct attach cables (DACs) are used to connect one S2500 with another when forming a stack. DACs are
installed in an uplink port in the same manner as an SFP module, using the 10GBASE-X Ports. For
information on how to install an SFP or a DAC, see “Installing a Direct Attach Cable” on page29. For a list
of DACs available through Aruba, see the following table.
SFP-10G-LR Aruba SFP+, 10GBASE-LR, 1310nm serial pluggable SFP+ optic, LC Connector
SFP-10G-LRM Aruba SFP+, 10GBASE-LRM, 1310nm serial pluggable SFP+ optic, LC Connector
Table 15 Direct Attach Cables
DAC Description
SFP+, Direct Attach, 0.5M 50cm Direct Attach Cable; 10G SFP+ for stacking
SFP+, Direct Attach, 1M 1m Direct Attach Cable; 10G SFP+ for stacking
SFP+, Direct Attach, 3M 3m Direct Attach Cable; 10G SFP+ for stacking
SFP+, Direct Attach, 5M 5m Direct Attach Cable; 10G SFP+ for stacking
SFP+, Direct Attach, 7M 7m Direct Attach Cable; 10G SFP+ for stacking
Table 14 Supported SFPs (Continued)
SFP Description
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