Datasheet
Data Sheet
© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 4 of 5
Storm control Broadcast, multicast, and unknown unicast
Spanning Tree IEEE 802.1d Spanning Tree, IEEE 802.1s Multiple Spanning Tree, IEEE 802.1w Rapid
Spanning Tree, Fast Linkover
Internet Group Management
Protocol (IGMP) snooping
IGMP (versions 1 and 2) snooping provides for fast client joins and leaves of multicast
streams and limits bandwidth-intensive video traffic to only the requestors
QoS
Priority levels 4 hardware queues
Scheduling Priority queuing and weighted round-robin (WRR)
Class of service (CoS)
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Port based
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802.1p VLAN priority based
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IP ToS/DSCP based
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IPv4 and IPv6 traffic class–based CoS
Rate limiting Ingress policer, egress shaper
Layer 2
VLAN
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Port-based and 802.1Q-based VLANs
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PVE
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Management VLAN
Head-of-line (HOL) blocking HOL blocking prevention
Mini jumbo frame Supports frames up to 1600 bytes
Dynamic VLAN GVRP - dynamic VLAN registration
Standards
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802.3i 10BASE-T Ethernet
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802.3u 100BASE-TX Fast Ethernet
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802.3ab 1000BASE-T Gigabit Ethernet
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802.3z Gigabit Ethernet
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802.3x flow control
Environmental
Dimensions
W x H x D
16.93 x 1.75 x 13.78 in.
(430 x 45 x 350 mm)
Unit weight 8.60 lb (3.9 kg)
Power Internal switching power
Certification FCC Part 15 Class A, CE Class A, UL, cUL, CE mark, CB
Operating temperature 32º to 104ºF (0º to 40ºC)
Storage temperature -4º to 158ºF (-20º to 70ºC)
Operating humidity 10% to 90%
Storage humidity 10% to 95%
Package Contents
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Cisco SRW248G4 48-Port 10/100 + 4-Port Gigabit Switch
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AC power cord
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Rack-mounting kit with brackets and hardware
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CD with user guide in PDF format
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Registration card
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Console cable
Minimum Requirements
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Web-based utility: Microsoft Internet Explorer (version 5.5 or later)
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Category 5 Ethernet network cables
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Operating system: Windows 2000, XP, or later
Product Warranty
5-year limited hardware warranty with return to factory replacement and 90-day limited software warranty





