
Data Sheet
© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 4 of 5
Port mirroring Traffic on a port can be mirrored to another port for analysis with a network analyzer or
RMON probe
Other management
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Switch audit log
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Dynamic Host Configuration Protocol (DHCP) client
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BOOTP
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Simple Network Time Protocol (SNTP)
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Xmodem upgrade
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Cable diagnostics
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Port mirroring
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Ping
Security Features
IEEE 802.1X 802.1X authentication: RADIUS; Extensible Authentication Protocol – Tunneled Transport
Layer Security (EAP-TTLS), Protected EAP (PEAP), EAP-MD5, Cisco LEAP, EAP-TLS
Access control ToS/DSCP
Availability
Link aggregation
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Link aggregation using IEEE 802.3ad Link Aggregation Control Protocol (LACP)
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Up to 8 ports in up to 8 trunks
Storm control Broadcast and multicast
Spanning Tree IEEE 802.1d Spanning Tree, Fast Linkover
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
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Port based
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802.1p VLAN priority based
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IPv4 IP precedence/ToS/DSCP
Layer 2
VLAN Port-based and 802.1Q-based VLANs, management VLAN
Head-of-line (HOL) blocking HOL blocking prevention
Jumbo frame Supports frame size up to 10 KB
Standards 802.3 10BASE-T Ethernet, 802.3u 100BASE-TX Fast Ethernet, 802.3ab 1000BASE-T
Gigabit Ethernet, 802.3z Gigabit Ethernet, 802.3x flow control
Environmental
Dimensions
W x H x D
17.32 x 1.75 x 13.81 in.
(440 x 44.45 x 350.8 mm)
Weight 9.59 lb (4.35 kg)
Power 100–240V, 0.5A
Certification FCC Part 15 Class A, CE Class A, UL CSA (CSA22.2), CE mark, CB
Operating temperature 32° to 104°F (0° to 40°C)
Storage temperature -4° to 158°F (-20° to 70°C)
Operating humidity 20% to 95%, noncondensing
Storage humidity 5% to 90%, noncondensing
Package Contents
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Cisco SLM248G4PS 48-Port 10/100 + 4-Port Gigabit Smart 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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Online registration card
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Console cable
Minimum Requirements
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