1) The Avaya Ethernet Routing Switch 2500 series is a cost-effective, stackable Ethernet switch for branch offices and enterprise edges requiring a low-cost but feature-rich solution. 2) It offers Power-over-Ethernet to support devices like IP phones and wireless access points, along with non-PoE ports for other devices. 3) The switches deliver performance, convergence-ready features, and flexibility through stacking of up to eight units, providing resilience and scalability for growing networks.

1. avaya.com
Avaya Ethernet
Routing Switch
2500 Series
The Avaya Ethernet Routing Switch
(ERS) 2500 series is a family of cost
effective, stackable 10/100BASE-TX
Ethernet switching products perfectly
suited for branch offices of larger
enterprises, or the enterprise edge,
requiring a low-cost but feature-rich
Convergence-ready, • The convergence capabilities of
solution in the wiring closet.
PoE to support IP phones, network
for VoIP and more cameras, wireless access points,
Ideal for enterprises with big The Ethernet Routing Switch 2500 series
security, lighting and access control
devices (e.g., badge readers)
plans but not-so-big budgets, the offers outstanding value as a convergence-
ready edge switch. It delivers 802.3af
The ERS 2500 is an energy-efficient
Ethernet Routing Switch 2500 standards-based Power-over-Ethernet
branch office or wiring closet edge
(PoE) to support IP Telephony and
offers the flexibility, scalability and Wireless LAN access points.
solution that consumes 40 percent
less energy than competing products.
cost-effectiveness to deploy next- Resilient stacking provides a pay-as-
ERS 2500 models are available with or
you-grow solution that creates a single
generation technology today — while without PoE. As not all network devices
require PoE, the ERS 2500 provides the virtual switch for ease of configuration
providing the high resiliency and right mix of PoE and non-PoE ports, so and management.
you don’t have to pay for power capacity
performance you need. Additionally, the ERS 2500 family
that you’re never likely to use. This also
also uses the IEEE standard 802.1AB
minimizes the concern for power and
for auto discovery of devices such as
cooling requirements in the wiring closet
IP phones. Each 802.1AB-supporting
that can sometimes be an issue with
device learns the identification, configu-
products that support PoE on all ports.
ration and capabilities of neighboring
This unique design results in a flexible
devices, and provides these details to
and low-cost, convergence-ready solution
the network management system.
that enables you to take advantage of:
• Economically priced non-PoE ports Avaya further extends the use of this
for devices such as printers, servers protocol by coupling it with the ability
and other devices that don’t require to automatically configure a port with
power from the network QoS settings and VLAN membership
Ethernet Routing Switch 2500 series
when a Avaya IP phone is detected.
FACT SHEET 1

2. avaya.com
Avaya Ethernet Routing Switch 2500 Series
With the right mix of PoE and
Model Port configurations
non-PoE ports (1/2 and 1/2), the
ERS2526T 24 x 10/100 ports + 2 combo 10/100/1000ASE-T/SFP ports + 2 1000ASE-T RJ-45 ports at the rear
Ethernet Routing Switch 2500
ERS2526T-PWR 24 x 10/100 ports (PoE supported on 12 ports) + 2 combo 10/100/1000ASE-T/ SFP ports + 2
delivers the performance and 1000BaseT RJ-45 ports at the rear
convergence-ready features that
ERS2550T 48 x 10/100 ports + 2 combo 10/100/1000ASE-T/SFP ports + 2 1000ASE- RJ-45 ports at the rear
until now have only been avail-
ERS2550T-PWR 48 x 10/100 ports (PoE supported on 24 ports) + 2 combo 10/100/1000ASE-T/SFP ports + 2
able in higher-priced switches. 1000ASE- RJ-45 ports at the rear
This provides fast and easy IP phone access to their applications and network Securing access to
deployments across the network. resources any time.
the network
Convergence is further supported through Additionally, through the use of Cat5E Stacking
the ERS 2500’s Quality of Service (QoS) Cables to interconnect the ERS 2500s, this The ERS 2500 offers high levels of security
features. The Ethernet Routing Switch 2500 intelligent solution enables its users to benefit and flexibility, allowing only authorized
uses standards-based 802.1p and DSCP from all of the resilience and scalability that personnel to gain access to a company’s
priority queuing to prioritize mission critical comes from deploying a true stacking archi- LAN. Whether it is through use of an IEEE
traffic such as VoIP. tecture yet maintains its cost-effectiveness 802.1X-based EAP client or through a user/
and simplicity. To further complement the device MAC address, network managers can
ERS 2500’s stacking architecture, Avaya also ensure that only those who have successfully
been authenticated against a RADIUS server
Always on. offers support for standards-based 802.3ad
Link Aggregation as well as its own Multi-Link have access to their specified resources.
Always available. Trunking technology that allows users to cre-
For further flexibility, the ERS can support
A stack of up to eight units can be created ate the grouping of ports to form high-speed
the authentication of multiple devices/users
through the ERS 2500’s support of reliable trunks/aggregations. These bundles or groups of
on a single port. For example, if a user’s
stacking; via a stacking license or stack- ports can be distributed across different units
PC connects into the network via an IP
enabled units. This allows the Ethernet in the same stack, thus delivering higher levels
Phone (Figure 1), the PC and the IP Phone
Routing Switch 2500 series to scale up to of resilience in case of link or switch failure,
can be authenticated for authorized use
384 10/100 ports and 16 10/100/1000/ can ensure that traffic arrives at its destination.
to that port. Additionally, if your company
SFP combo ports in a single stack while frequently has visitors, support for a guest
Stack health check monitoring provides
maintaining its management simplicity. VLAN allows non-authenticated users to still
a real-time, at-a-glance view of stack
Furthermore, through sub-second failovers use the network but to only have access to
operational status and health, further
in case of switch or stacking cable failure, those resources that have been pre-specified
enhancing operational and management
the Ethernet Routing Switch 2500 can for the guest VLAN such as Internet access.
simplicity should any issues arise.
offer customers a solution that allows them
Figure 1. Converged connectivity
* Requires stacking license or stack-enabled units.
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3. avaya.com
Enterprise-class Lifetime warranty
management All ERS 2500 switches offer a lifetime
warranty. An Avaya product hardware
The ERS 2500 series is managed through
warranty is supported for as long as the
an enterprise-class Command Line Interface
original end user continues to own or use
(CLI). The CLI provides a common industry
the product, including fan and power
look and feel to terminal commands, helping
supply. In the event of a discontinuance of
to reduce training and operational costs.
product manufacture, the Avaya warranty
Additionally, ERS 2500 series switches can
support is limited to five (5) years from the
be easily managed and configured using
announcement of discontinuance.
Device Manager or web-based management
Ethernet Routing Switch 2500 rear with Stacking Cables
graphical user interfaces. installed in a resilient configuration
Secure management of the switch occurs Summary
through features such as Secure Shell
When it comes to deploying converged
(SSHv2) for encrypted telnet management
solutions for the network edge, Avaya is
access using an SSH client, via Device
uniquely positioned to help your business
Manager using Simple Network Management
reduce costs by combining voice and data
Protocol (SNMPv3) or using HTTPS/SSL
into an integrated system.
secure web management. Additionally, an
IP manager list can be used to specify
which management stations can access the
switch by specifying up to 10 authorized
Learn more
management station IP Addresses. Support To learn more about how the Avaya Ethernet
for backing up and restoring an ASCII Routing Switch 2500 series, along with
Configuration file provides the network other Avaya products, can help reduce
administrator with the ability to quickly costs, increase profitability and streamline
deploy the same configuration file among operations, helping businesses gain a
various switches as well as to maintain competitive edge, contact your Avaya
a backup of the switch configuration for Account Manager or Avaya Authorized
future use – thus providing a solution that is Partner. Or, visit us online at avaya.com.
simple to manage and maintain.
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4. About Avaya
Avaya is a global leader in enterprise communications systems. The company
provides unified communications, contact centers, and related services directly
and through its channel partners to leading businesses and organizations
around the world. Enterprises of all sizes depend on Avaya for state-of-the-art
communications that improve efficiency, collaboration, customer service and
competitiveness. For more information please visit www.avaya.com.
© 2010 Avaya Inc. All Rights Reserved.
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References to Avaya include the Nortel Enterprise business, which was acquired as of December 18, 2009.
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