Enterasys A-Series A4 User Manual download pdf

Product Overview

The Enterasys A4 is a highly reliable fast Ethernet edge switch that provides scalable, wire-rate

performance in support of the bandwidth-intensive and delay-sensitive requirements of today’s

demanding applications. The A4 also provides multi-layer packet classiﬁcation and priority queuing

for differentiated services. Along with a switch capacity of 17.6 Gbps, the A4 provides up to 48

10/100 Ethernet ports as well as 4 Gigabit Ethernet uplink ports. Leveraging the A4’s stacking

capability, as many as 8 A4s can be interconnected in a single stack to create a virtual switch

that provides 140.8 Gbps of capacity and up to 384 10/100 Ethernet ports as well as 16 Gigabit

Ethernet uplink ports.

The A4 includes enterprise-class features in a 10/100 stackable switch that ensure seamless

connectivity and application performance. With support for 16,000 MAC addresses, the A4 is an

excellent choice for medium to large enterprises that need to support thousands of endpoints.

Robust Quality of Service (QoS) features enable strong support for integrated multimedia networks,

including Voice over IP (VoIP) and IP video, as well as all types of data-intensive applications. In

conjunction with its non-blocking L2 switching architecture, the A4’s intelligent queuing mechanisms

ensure that mission-critical applications receive prioritized access to network resources.

The A4 includes a 24 port model with a very quiet design that operates fan-less in a typical ofﬁce

environment, making it ideal for classrooms and conference rooms.

A highly-scalable architecture and a lifetime warranty ensure that an A4 network investment will

sustain a secure, feature-rich, and cost-effective network well into the future.

Reliability and Availability

The A4 design incorporates redundancy and failure protection mechanisms complete with

automatic failover and recovery capabilities to provide a reliable network. An integral power supply

is the primary source of power for the A4 and complete power redundancy is provided by an

optional external power supply. In addition to the standard version of the A4, there are also IEEE

802.3af Power over Ethernet versions which supports network devices that require external power

such as wireless access points, VoIP phones, and network cameras. A virtual switch can be created

by interconnecting as many as 8 A4s in a single stack, which can be managed via a single IP

address with redundant management connections. The A4’s closed-loop stacking capability utilizes

bi-directional switch interconnects to maintain connectivity within the virtual switch despite any

physical switch-level failure. Up to 4 Ethernet ports can be grouped together to create a multi-link

aggregation group (LAG). The A4 can support multiple LAG’s distributed across several A4s within a

stack to prevent a switch-level failure from disrupting data communications.

There is nothing more important

than our customers.

Beneﬁts

Business Alignment

• GranularQoScapabilitiessupport

convergedmultimedianetworks

• Reliablenetworkoperationformission-

criticalapplications

Operational Efﬁciency

• Scalablearchitecturesupports

continuedgrowthofnetworkcapacity

• Consolidatedmanagementcapabilities

reducenetworkoperationalexpenses

• Highlyavailabledesignensuresreliable

networkoperations

Security

• Networkaccesssecuredby802.1x

andMACaddressauthentication

methods

• Networksecuritymaintained

concurrentlywithusermobility

• Architecturedesignedwithintegral

networksecurity

Support and Service

• Industry-leadingcustomersatisfaction

andrstcallresolutionrates

• Personalizedservices,includingsite

surveys,networkdesign,installation,

andtraining

• Comprehensivelifetimewarranty,

includingfeatureupgradesandmore

High-availabilitydesignassures

reliablenetworkoperations

GranularQoScapabilitiessupport

convergedmultimedianetworks

PoEsupportsavarietyof

networkdevices

Investmentprotectionvia

lifetimewarranty

140.8Gbpscapacityand104.8Mpps

A-Series A4

Fast Ethernet Stackable Edge Switch

DATASHEET

1 2 3 4 5 6 7

Summary of Contents

Page 1 - A-Series A4

Product OverviewThe Enterasys A4 is a highly reliable fast Ethernet edge switch that provides scalable, wire-rate performance in support of the bandwi

Page 2 - Performance & Scalability

Advanced Quality of ServiceRobust QoS features enable strong support for integrated multimedia networks, including VoIP and video, as well as all type

Page 3

Page 3MAC Address Table Size16,000VLANs4,094 VLAN IDs1,024 VLAN Entries per StackSwitching ServicesANSI/TIA-1057 – LLDP-MED ReadyIEEE 802.1D – MAC Bri

Page 4 - SwitchModelSpecications

Page 4SwitchModelSpecicationsA4H124-24 A4H124-24P A4H124-48 A4H124-48PPerformanceThroughput Capacity wire-speed Mpps(switch / stack)9.5 Mpps / 76.

Page 5

Page 5SwitchModelSpecicationsA4H124-24 A4H124-24P A4H124-48 A4H124-48PAgency and Regulatory Standard SpeciﬁcationsSafety UL 60950-1, CSA 22.1 60950

Page 6 - STK-RPS-150PS Power Supply

Page 6RedundantPowerSupplyEquipmentSpecicationsSTK-RPS-150CH2 Power ShelfPower Supply Slots 2Dimensions (H x W x D)* 5.5 cm (2.2”) x 44.0 cm (17.

Page 7 - ContactUs

Formoreinformation,callEnterasysNetworkstollfreeat1-877-801-7082,or+1-978-684-1000andvisitusontheWebatenterasys.comContactUsDeliv

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Enterasys A-Series A4 User Manual

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