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Datasheet |

Switches

900-48

Enhanced Fast Ethernet Layer 3+ Switch

x900-48FE

48 x 10/100BASE-T copper ports

4 x 1000BASE-X SFP uplinks

x900-48FS

48 x 100BASE-X SFP ports (Fiber only)

4 x 1000BASE-X SFP uplinks

Industry-leading Features

The x900-48 offers performance, flexibility,

and reliability, packaged in a compact 1RU standard

rack mount chassis.The x900-48 is a highly featured

access solution that incorporates a new generation

switching core for wire-speed Layer 3 IPv4 and

IPv6 routing, exceptional Quality of Service (QoS)

features, and a robust hardware design with dual

hot-swappable power supplies.

Policy-Based Per-Flow Quality of

Service

Comprehensive, low latency QoS features

operating at wire-speed provide flow-based

traffic management with full classification,

prioritization, traffic shaping and min/max

bandwidth profiles.The x900-48 QoS features

are ideal for service providers who want to

ensure maximum availability of premium voice,

video and data services, and at the same time

manage customer service level agreements. For

enterprise customers, the x900-48 QoS

features protect productivity by guaranteeing

the performance of business-critical applications

(including VoIP services), and help to restore

and maintain the responsiveness of enterprise

applications in the workplace.

Allied Telesis

Reliability

At 1RU high, with front-to-back cooling and

load-sharing power supplies, the x900-48 is

perfect for high-density rack environments

where conditions are demanding and space is

limited.The dual hot-swappable power supplies

(available in both 100/240VAC and -48VDC

PSU versions) eliminate the need for an

external redundant power supply and provide

reliability and redundancy for maximum service

uptime.

Flexible Uplinks

Four hot-swappable gigabit SFP uplink ports

can be aggregated to provide a total of 4Gbps

of uplink bandwidth, and can support any

combination of gigabit copper, or short haul

and long haul fiber SFP modules.This flexibility

of uplink interface options caters for multiple

applications and connectivity requirements.

Power to Perform

The x900-48 top-of-the-line, multilayer switch

is built to meet the needs of high performance

network services.Together with Allied Telesis'

advanced software feature set, AlliedWare, the

x900-48 is a superior access switching solution,

bringing true intelligence to the edge.

Fiber to the Home (FTTH)

With 48 100BASE-X SFP ports and four

gigabit SFP uplinks, best-in-class QoS, 50°C

operating temperature, and dual hot-

swappable AC or DC power supplies, the high-

density low-cost-per-port x900-48FS switch is

the perfect solution for FTTH. Advanced QoS

allows service providers to guarantee delivery

of Triple Play content, while the x900-48FS

high reliability guarantees maximum uptime,

whether in a central office or roadside cabinet.

The x900-48FS main ports support both single

BiDi 100BASE-BX and dual-fiber 100BASE-FX

hot-swappable SFPs, and the four uplink ports

support gigabit fiber or copper SFPs.

Fiber to the Desk (FTTD)

Secure connections to the desktop are only

guaranteed by using fiber. The x900-48FS is

the ideal solution for FTTD, satisfying the

security and budget requirements demanded

by government agencies. With 48 100BASE-X

SFP ports and four gigabit SFP uplinks, front-

to-back cooling, and dual hot-swappable AC or

DC power supplies, the x900-48FS switch

delivers high reliability and low-cost-per-port.

Stress tested

All Allied Telesis products are strenuously

tested using Highly Accelerated Life Test

(HALT) and Highly Accelerated Stress

Screening (HASS) procedures. Under the

Allied Telesis HALT regimen, products are

tested well past specified tolerance limits for

heat, cold, vibration, shocks, and drops, to

ensure that they are more than robust enough

for real-world conditions.