4
Specifications
Business Series Smart Gigabit Ethernet Switch
Appendix C
Power
Internal Power, 100-240V
Certification
FCC Part15 Class A, CE Class A,
UL, cUL, CE mark, CB
Operating Temp.
32 to 122ºF (0 to 50ºC)
Storage Temp.
32 to 158ºF (0 to 70ºC)
Operating Humidity 10 to 90% Noncondensing
Storage Humidity
10 to 90% Noncondensing
SLM224G/SLM248G/SLM224P/SLM248P
Specifications
Ports
24 or 48 RJ-45 connectors for
10BASE-T/100BASE-TX,
2 combo ports with RJ-45
connectors for 10BASE-T/
100BASE-TX/1000BASE-T and
miniGBIC/SFP slots
Auto MDI/MDI-X
Auto-negotiate/Manual setting
Buttons
Reset
Cabling Type
UTP CAT 5 or better for
10BASE-T/100BASE-TX,
UTP CAT 5e or better for 1000BASE-T
LEDs
SLM4G and SLM48G:
System
10/100 Link/Act and Speed
Gigabit Link/Act and Speed
SLM4P and SLM48P:
System
10/100 Link/Act and PoE or Speed
Gigabit Link/Act and Speed
Performance
Switching Capacity
SLM4G and SLM4P:
8.8 Gbps non-blocking
SLM48G and SLM48P:
13.6 Gbps non-blocking
Forwarding Rate
SLM4G and SLM4P:
6.55 Mpps wire-speed performance
SLM48G and SLM48P:
10.12 Mpps wire-speed performance
Layer
MAC Table Size
8K
Number of VLANs
128 active VLANs (4096 range)
VLAN
Port-based and 802.1Q Tag-based
VLANs
Management VLAN
HOL Blocking
Head of line blocking prevention
Management
Web User Interface Built-in Web UI for easy browser-
based configuration (HTTP)
Firmware Upgrade Web Browser upgrade (HTTP)
and TFTP upgrade
Port Mirroring
Traffic on a port can be mirrored
to another port for analysis
with a network analyzer
Other Management DHCP/BootP Client
System Log
Configuration upload and
backup via HTTP or TFTP
Security
802.1X - RADIUS Authentication.
MD5 Encryption
Port Security - MAC-based Filtering
Management Access Control
Availability
Link Aggregation
Link Aggregation using
IEEE 802.3ad LACP
Up to 4 groups with up to 8 ports
per group
Storm Control
Broadcast and Multicast
Spanning Tree
IEEE 802.1D Spanning Tree
and Port Fast
IGMP Snooping
IGMP (v1/v2) Snooping provides
for fast client joins and leaves of
multicast streams and limits
bandwidth-intensive video traffic
to only the requestors.
Supports 32 Multicast Groups
QoS
Priority levels
4 Hardware queues
Scheduling
Priority Queueing and
Weighted Round Robin (WRR)
Class of Service
Port-based
802.1p VLAN priority-based
IPv4/v6 IP DSCP based
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,
802.3ad LACP,
802.1D STP,
802.1Q/p VLAN,
802.1X Port Access Authentication