Product Highlights

• 48 - 10/100 Switched RJ-45 ports deliver up to 200Mbps of throughput per port
• 4 - 10/100/1000 Switched RJ-45 Gb Uplink Ports (with 2 shared mini-GBIC ports)
• Switching Capacity delivers 17.6 Gig nonblocking capacity
• WebView monitoring allows administrators to view the current status and configuration using their favorite web browser
• Port based and 802.1q based VLAN's support up to 256 VLANS
• Port Trunking for up to 8 groups allows you to increase your bandwidth for each uplink or Server connection
• Port configuration settings for Link, Speed, Auto MDI/MDIX, Flow Control, and more 
• Fully rack-mountable using the included rack-mounting hardware
• Auto MDI/MDIX per port allows for automatic Cable detection
• MAC Address table supports up to 8K MAC Address entries
• Optimal platform to support real-time applications like voice and video by providing features like IGMP snooping, multiple
  queues (4) with appropriate scheduling techniques, prioritization of traffic based on L2/L3 priority, and line rate forwarding mechanisms • Secure control via SSH for Telnet interface and SSL for HTTP interface
• User/Network security via 802.1x (with Radius authentication) and MAC-based filtering
• Containment of storms - Broadcast, Multicast, and Unknown Unicast
• Expandability and availability increased across multiple switches using Link Aggregation
• SNMP and RMON management expand your visibility options

Specifications

• Ports 48 RJ-45 connectors for 10BASE-T and 100BASE-TX, 4 RJ-45 connectors for 10BASE-T/100BASE-TX/1000BASE-T with 2 shared SFP slots, Auto MDI/MDI-X, Autonegotiate/Manual setting
• Cabling Type UTP CAT 5 or better for 10BASE-T/100BASE-TX, UTP CAT 5e or better for 1000BASE-T
• LED Indicators Power, Link/Act, Speed

Performance

• Switching Capacity 17.6 Gig non-blocking
• MAC Table Size 8k
• Number of VLANs 256 - Static (Today) and Dynamic (Future)

Management

• Web User Interface Built-in Web UI for easy browser-based configuration (HTTP/HTTPS)
• SNMP SNMP version 1, 2, 3 with support for traps
• 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 RFC854 Telnet (Menu-driven configuration), Secure Shell (SSH) and Telnet Management, Telnet Client, SSL security for Web UI, Switch Audit Log, DHCP Client, BootP, SNTP, Xmodem upgrade, Cable Diagnostics, PING, Traceroute

Security

• IEEE 802.1x 802.1x - RADIUS Authentication. MD5 Encryption
• Access Control Filtering: MAC-based*

Availability

• Link Aggregation Link Aggregation using IEEE 802.3ad LACP, Up to 8 ports in up to 8 trunks
• Storm Control Broadcast, Muticast, and Unknown Unicast
• Spanning Tree IEEE 802.1d Spanning Tree, IEEEE 802.1s Multiple Spanning Tree*, IEEE 802.1w Rapid
• 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, IP TOS/DSCP based,
• IPv4 & IPv6 Traffic Class based COS
• Rate Limiting Ingress Policer, Egress Shaper

Layer 2

• VLAN Port-based and 802.1q based VLANs, Private VLAN Edge (PVE), Management VLAN
• HOL Blocking Head of line blocking prevention
• Mini Jumbo Frame Supports frames up to 1600 bytes
• Dynamic VLAN GVRP* - Dynamic VLAN Registration

Standards

• Standards 802.3i 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 16.93" x 1.75" x 13.78" (430 mm x 44.45 mm x 350 mm)
• Unit Weight 8.6 lbs. (3.9 kg)
• Power Input internal switching power
• Certifications FCC Part15 Class A, CE Class A, UL, cUL, CE mark, CB
• Operating Temp 32ºF to 104ºF (0ºC to 40ºC)
• Storage Temp. -4ºF to 158ºF (-20ºC to 70ºC)
• Operating Humidity 10% to 90%, Non-Condensing
• Storage Humidity 10% to 95%, Non-Condensing

Minimum Requirements

• Web-based Configuration Java-enabled Browser
• Cat5 Ethernet Network Cable
• TCP/IP Protocol installed on each computer within the network
• Network Adapter installed in each computer
• Network Operating System (e.g. Windows®, Linux, MacOS X)

Package Contents

• SRW248G4 Switch
• Power Cord
• Rack Mounting Kit
• CD with User Guide in PDF Format
• Registration Card
• Console Cable