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Allied Telesis www.alliedtelesis.com
RAPIER 48w SWITCH
| Layer 3 Fast Ethernet Switch
Switching Features
The Rapier 48w includes a suite of advanced
switching features such as IEEE 802.1Q VLAN
Tagging, IGMPv2, 802.1p Traffic Prioritization of
packets at Layer 3 and Layer 4, and broadcast
and multicast traffic control. The Quality of
Service (QoS) features offered by the Rapier
48w are particularly useful for Telco or Network
Service Provider applications.
WAN Support - Rapier Switch/Router
The Rapier 48w supports an optional Network
Services Module (NSM) with a variety of Port
Interface Cards (PICs) to provide Wide Area
Network connectivity for T1, DS3 and
Asynchronous communications.
Bandwidth Limiting
The Rapier 48w switch comes with asymmetric,
bidirectional bandwidth limiting at no additional
cost.This is an ideal feature for customers
needing to allocate the amount of bandwidth
on a per port basis.With bandwidth limiting,
network administrators can define throughput
levels for each port and control access based
on type of end user.These features are ideal for
managing different applications like VoIP, Web
browsing, video, email, and to regain control of
traffic across the network.The bandwidth
limiting on the Rapier 48w provides fine
granularity with the ability to define ingress
limits down to 64Kbps segments and egress
limits down to 1Mbps segments.The segment
definitions can be asymmetric and each port
can be set to different values. An additional
benefit is that loop back ports are not required.
Wirespeed Routing
A rich set of features is included to provide full
support for multimedia Layer 4 applications. All
switches include Layer 3 IP Static Routing, RIP,
RIPv2, IGMPv2 and OSPFv2 routing protocols.
Summary of Features
Performance
Rapier 48w 9.6 x 2 = 19.2Gbps switching
fabric, 10.1Mpps forwarding rate
14,880pps for 10Mbps Ethernet
148,800pps for 100Mbps Ethernet
1,488,000pps for 1000Mbps Ethernet
64MB RAM
32MB Flash Memory
350MHz PowerPC CPU
Latency
81 microseconds latency between 10Mbps ports
13 microseconds latency between 100Mbps ports
6 microseconds latency between 1000Mbps ports
Reliability
MTBF:
AT-RP48W 65,000 hours
Fan Module 300,000 hours
Acoustics
61.0dB Maximum
Interface Connections
10/100TX Shielded RJ-45
1000X Multi-Mode fiber SC or MT
1000LX Single-Mode fiber SC
1000T Shielded RJ-45
Power Characteristics
Power: -40v to -60v DC
Power consumption max: 95W
Environmental Specifications
Operating Temp: 0°C to 50°C (32°F to 122°F)
Non-Operating Temp: -25°C to 70°C
(-13°F to 158°F)
Operating Humidity: 5% - 80% non-condensing
Non-Operating Humidity: 5% - 95%
non-condensing
Physical Characteristics
Height 110mm (4.3”)
Width 440mm (17.32”)
Depth 230mm (9.0”)
Unit weight: 7.0kg (15.5lbs)
Packaged weight: 8.5kg (18.7lbs)
Electrical/Mechanical Approvals
Safety UL 1950 (UL/cUL), EN60950 (TUV)
EMI FCC Class A, EN55022 Class A,
VCCI Class A,
EMI FCC Class B, EN55022 Class B,
VCCI Class B,
C-TICK, EN61000-3-2, EN61000-3-3
Immunity EN55024
Standards and Protocols
Software Release 2.9.1
BGP-4
RFC 1771 Border Gateway Protocol 4
RFC 1966 BGP Route 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 with BGP-4
Ethernet
RFC 894 Ethernet II Encapsulation
IEEE 802.1D MAC Bridges
IEEE 802.1Q Virtual LANs
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 1144 Van Jacobson's Compression
RFC 1256 ICMP Router Discovery Messages
RFC 1288 Finger
RFC 1332 The PPP Internet Protocol Control Protocol
(IPCP)
RFC 1378 The PPP AppleTalk Control Protocol (ATCP)
RFC 1518 CIDR
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 1701 GRE
RFC 1702 GRE over IPv4
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 Addressing
RFC 1962 The PPP Compression Control Protocol (CCP)
RFC 1968 The PPP Encryption Control Protocol (ECP)