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| MultiIayer IPv4 and IPv6 Switch

AT -8948

Reliability

Dual internal hot-swappable load-sharing power

supplies provide ultimate space-saving reliability

and redundancy for maximum service uptime.

Both 110/240VAC and -48VDC PSU versions

are available.There is no requirement for an

external RPS, and combined with front-to-back

cooling and a 1RU height, the AT-8948 is

perfect for the high-density rack environment

where conditions are demanding and space is

at a premium.

Flexibility

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 AT-8948 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

AT-8948 is a superior access switching solution,

bringing true intelligence to the edge.

Performance

Reliability

MTBF

AT-8948: 300,000 hours

Acoustic noise

46.0 dB

Power Characteristics

AC Voltage: 100-240V AC ±10% auto ranging

Frequency: 47-63Hz

DC Voltage: 40-60V DC

Power Consumption

AT-8948A: 47 Watts (160 BTU/hour) maximum

AT-8948P: 90 Watts (307 BTU/hour) maximum

Environmental Specifications

Operating Temperature Range:

0°C – 50°C (32°F – 122°F)

Storage Temperature Range:

-25°C – 70°C (-13°F – 158°F)

Operating Relative Humidity Range:

5% – 80% non-condensing

Storage Relative Humidity Range:

5% – 95% non-condensing

Altitude:

3,050 Meters maximum (10,000ft)

Allied Telesis

Physical Dimensions

AT-8948:

Height:

44.5mm (1.75")

Width:

440mm (16.7")

Depth:

440mm (16.7")

Mounting: 19" rack mountable, 1 RU form-factor

Weight: (AT-8948 including one AT-PWR01

and one AT-FAN01) 7.1 kg (15.7 lbs)

unpackaged, 9.1 kg (20.1 lbs) packaged

Ship dimensions: 580mm / 22.84 inches x

530mm / 20.87 inches x 145mm / 5.71 inches

(L x W x D)

AT-PWR01 and AT-FAN01

Height:

41mm (1.6")

Width:

225mm (8.9")

Depth:

130mm (5.1")

PSU weight (AT-PWR01) (AC or DC):

1.0 kg (2.2 lbs) unpackaged or 1.8 kg (4.0 lbs)

packaged

Fan only module weight (AT-FAN01):

0.6 kg (1.3 lbs) unpackaged or 1.4 kg (3.1 lbs)

packaged

Electrical Approvals & Compliances

EMC

EN55022 class A, FCC class A,VCCI class A

Immunity: EN55024, EN61000-3-2/3

Safety

UL60950, CAN/CSA-C22.2 No. 60950-00,

EN60950, AS/NZS3260

Certification: UL, cUL,TUV

Country of Origin

Singapore

This is with two PSUs installed and a spare PSU

carried.

This depth measurement excludes the PSU handles.

Standards and Protocols

Software Release 2.9.1

BGP-4

RFC 1771 Border Gateway Protocol 4

RFC 1966 BGP Router Reflection

RFC 1997 BGP Communities Attribute

RFC 1998 Multi-home Routing

RFC 2385 Protection of BGP Sessions via the TCP MD5

Signature Option

RFC 2439 BGP Route Flap Damping

RFC 2858 Multiprotocol Extensions for BGP-4

RFC 2918 Route Refresh Capability for BGP-4

RFC 3065 Autonomous System Confederations for BGP

RFC 3392 Capabilities Advertisement wiht BGP-4

Encryption

RFC 2104 HMAC

RFC 2451 The ESP CBC-Mode Cipher Algorithms

FIPS 180 SHA-1

FIPS 186 RSA

FIPS 46-3 DES

FIPS 46-3 3DES

Ethernet

RFC 894 Ethernet II Encapsulation

RFC 1321 MD5

IEEE 802.1D MAC Bridges

IEEE 802.1Q Virtual LANs

IEEE 802.1v VLAN Classification by Protocol and Port

IEEE 802.2 Logical Link Control

IEEE 802.3ab 1000BASE-T

IEEE 802.3ac VLAN TAG

IEEE 802.3ad (LACP) Link Aggregation

IEEE 802.3u 100BASE-T

IEEE 802.3x Full Duplex Operation

IEEE 802.3z Gigabit Ethernet

GARP

GVRP

General Routing

RFC 768 UDP

RFC 791 IP

RFC 792 ICMP

RFC 793 TCP

RFC 826 ARP

RFC 903 Reverse ARP

RFC 925 Multi-LAN ARP

RFC 950 Subnetting, ICMP

RFC 1027 Proxy ARP

RFC 1035 DNS

RFC 1055 SLIP

RFC 1122 Internet Host Requirements

RFC 1142 OSI IS-IS Intra-domain Routing Protocol

RFC 1144 Van Jacobson's Compression

RFC 1256 ICMP Router Discovery Messages

RFC 1288 Finger

RFC 1332 The PPP Internet Protocol Control Protocol

(IPCP)

RFC 1519 CIDR

RFC 1542 BootP

RFC 1552 The PPP Internetworking Packet Exchange

Control Protocol (IPXCP)

RFC 1570 PPP LCP Extensions

RFC 1582 RIP on Demand Circuits

RFC 1661 The Point-to-Point Protocol (PPP)

RFC 1762 The PPP DECnet Phase IV Control Protocol

(DNCP)

RFC 1812 Router Requirements

RFC 1877 PPP Internet Protocol Control Protocol

Extensions for Name Server Addresses

RFC 1918 IP AddressingExtensions.