Linksys SLM224G4PS 24-port 10/100 Stackable Smart Switch with 4 Gigabit Ports and PoE
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[edit] Product Name
Linksys SLM224G4PS 24-port 10/100 Stackable Smart Switch with 4 Gigabit Ports and PoE
[edit] Manufacturer Part Number
SLM224G4PS
[edit] Product Date
circa July 2004
[edit] Product Image
[edit] Manufacturer Specifications & Features
Product Description
Growing businesses require cost-effective, networking solutions that can scale with ever changing business needs. The Linksys SLM224G4PS Smart Switch with Resilient Clustering technology brings a whole new level of intelligence and security to the network infrastructure at a cost-effective price. It offers 24 10/100 Ethernet (copper) ports with four 10/100/1000 Gigabit Ethernet copper or optional optical (SFP) interfaces for uplinking the switch to the core network.
Network security is a top priority in any size business; unauthorized access to the network and mission critical data is a constant concern. The SLM224G4PS is able to secure the network through 802.1X port authentication and MAC Filtering. 802.1X requires clients to authenticate themselves before they are given access to the network.
The SLM224G4PS switches provide Resilient Clustering technology which enables several switches to be clustered together and managed as a single switch with one Web Management interface and one IP address. This technology allows up to 6 units of the SLM224G4PS (or up to 192 ports when combined with SLM248G4S) to be set up in a switch cluster. SLM224G4PS units can coexist in a switch cluster with other Linksys Smart Switches that support Resilient Clustering technology—SLM248G4PS, SLM224G4S, and SLM248G4S.
For Wireless or VoIP deployments, the SLM224G4PS supports the IEEE802.3af standard for Power over Ethernet (PoE). This eliminates the need for additional power cables or for a power outlet to be nearby. It enables PoE-enabled devices such as IP cameras, IP phones, and Wireless Access Points to be positioned in optimal locations like in ceilings and walls—even outdoors—and in locations where there is an accessible power outlet, thereby reducing installation costs and making installations easier. Businesses are recognizing the benefits of Voice over IP (VoIP) technology and are quickly migrating their voice services to IP-based platforms, requiring their local area networks to support both voice and data applications. The SLM224G4PS’s extensive QoS features make the solution ideal for real-time applications like Voice and Video. The four priority queues together with Weighted Round Robin and Strict Priority scheduling techniques let network administrators quickly prioritize real-time voice and video traffic over data traffic. Individual users or applications can also be prioritized above others using various Class of Service options—by port, Layer 2 priority (802.1p), and Layer 3 priority (TOS or DSCP). Intelligent Broadcast, Multicast, and Unknown Unicast storm control minimizes and contains the effects that these types of storms have on regular traffic. IGMP Snooping limits bandwidth-intensive video traffic to only the requestors without flooding to all users. Incoming traffic can be policed and outgoing traffic can be shaped allowing network administrators to control network access and traffic flow.
The SLM224G4PS also includes features for network expansion and faster throughput performance. Link aggregation enables network administrators to create multiple high-bandwidth trunks between switches. This provides a level of reliability because the system will continue to operate if one of the links breaks. Spanning Tree (STP) allows administrators to avoid network loops and to build a mesh of switches to increase the availability of their network.
The simplified user interface provides an intuitive, secure management platform enabling administrators to better utilize the extensive feature set of the switch, resulting in a better optimized, more secure network.
Product Features
- 24 - 10/100 Switched RJ-45 ports
- 4 - 10/100/1000 ports with 2 Combo SFP slots
- Switching Capacity delivers wire-speed performance at 12.8 Gbps non-blocking
- WebView monitoring allows administrators to view the current status and configuration using their favorite web browser
- PoE on 10/100 ports 1-6 and ports 13-18 supplies up to IEEE 802.3af maximum 100W of power total
- Auto MDI/MDIX per port allows for automatic Cable detection
- Port-based and 802.1qbased VLANs support up to 128 VLANs
- Port configuration settings for Link, Speed, Auto MDI/MDIX, Flow Control, and more
- Fully rack-mountable using the included rack mounting hardware
- MAC Address table supports up to 8K MAC Address entries
- Optimal platform to support real-time applications, such as voice and video, by providing features like IGMP snooping, multiple queues (4) with appropriate scheduling techniques, prioritization of traffic based on port, 802.1p, IP TOS/precedence/DSCP, and line rate forwarding mechanisms
- Enhanced QoS functions including rate limiting for ingress/egress and per flow at 64kbps granularity
- HTTP interface
- User/Network security via 802.1x (with RADIUS authentication) and MACbased filtering
- Containment of storms—Broadcast and Multicast
- Expandability and availability increased across multiple switches using Link Aggregation
- Port Trunking for up to 8 groups with up to 8 ports per group allows you to increase your bandwidth for each uplink or Server connection
- SNMP and RMON management expand your visibility options
Specifications
- Ports : 24 RJ-45 Connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T with 4 Gigabit Ports and 2 Combo SFP Slots
- Buttons : None
- Cabling Type
- UTP CAT 5 or better for 10BASE-T/100BASE-TX,
- UTP CAT 5e or better for 1000BASE-T
- LEDs : Power, Link/Act, Speed
Performance
- Switching Capacity : 12.8 Gbps, Non-blocking
- MAC Table Size : 8K
- Number of VLANs : 128
Switch Clustering
- Switch Cluster Operation
- Maximum Switch Cluster Size: 192 Ports
- Maximum no. of Units in Switch Cluster: 6 (with SLM248G4PS)
- Hot Insertion and Removal
- Ring and Chain Options
- Master and Backup Master for Resilient Cluster Control
- Auto-numbering or Manual Configuration of Units in Switch Cluster
Management
- Web User Interface : Built-in Web UI for easy browser-based configuration (HTTP)
- SNMP : SNMP version 1, 2c, 3
- SNMP MIBs : RFC1213 MIB-2, RFC2863 Interface MIB, RFC2665 Ether-like MIB, RFC1493 Bridge MIB, RFC2674 Extended Bridge MIB (P-bridge, Q-bridge), RFC2819 RMON MIB (groups 1, 2, 3, 9 only), RFC2737 Entity MIB, RFC 2618 RADIUS Client MIB
- RMON : Embedded Remote Monitoring (RMON) software agent supports four RMON groups (history, statistics, alarms, and events) for enhanced traffic management, monitoring, and analysis
- Firmware Upgrade :
- Web Browser Upgrade (HTTP)
- TFTP Upgrade
- Port Mirroring : Traffic on a port can be mirrored to another port for analysis with a network analyzer or RMON probe
- Other Management :
- Switch Audit Log
- DHCP Client
- BootP
- SNTP
- Xmodem Upgrade
- Cable Diagnostics
- Port Mirroring
- PING
Security Features
- IEEE 802.1x : 802.1x Authentication: RADIUS; EAP-TTLS, PEAP, EAP-MD5, LEAP, EAP-TLS
- Access Control : ToS/DSCP
Availability
- Link Aggregation :
- Link Aggregation Using IEEE 802.3ad LACP
- 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 (v1/v2) 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 Queueing and Weighted Round Robin (WRR)
- Class of Service
- Port-based
- 802.1p VLAN Priority-based
- IPv4 IP Precedence/ToS/DSCP
Layer 2
- VLAN
- Port-based and 802.1q-based VLANs
- Management VLAN
- HOL Blocking Head of Line Blocking Prevention
- Jumbo Frame : Supports Frame size up to 9 Kbytes
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 8.00" (440 x 44.45 x 203.3 mm)
- Weight : 5.29 lb (2.4 kg)
- Power : 100-240V 0.5A
- Certification : FCC Part 15 Class A, CE Class A, UL CSA (CSA22.2), CE mark, CB
- Operating Temp. : 32 to 104°F (0 to 40°C)
- Storage Temp. : -4 to 158°F (-20 to 70°C)
- Operating Humidity : 20 to 95%, Noncondensing
- Storage Humidity : 5 to 90%, Noncondensing
Package Contents
- One SLM224G4PS Switch
- One AC Power Cord
- One Rack Mounting Kit with Brackets and Hardware
- One CD with User Guide in PDF Format
- One Online Registration Card
- Console Cable
Minimum Requirements
- Web-based Utility: Web Browser—Microsoft Internet Explorer (version 5.5 or above)
- Cat5 Ethernet Network Cable
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