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Linksys SLM248P

48-port 10/100 + 2-port 10/100/1000 Gigabit Smart Switch with 2 combo SFPs and PoE

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Код товару: # 1859

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Характеристики

Cost-effective, secure switching with simplified management and PoE for your growing business

The new Linksys Business Series Smart Ethernet Switches are cost-effective switching solutions ideal for small businesses, the network edge, or workgroups within larger organizations. These easy-to-install, high-speed switches offer many of the same Quality of Service and Security features found in more expensive full Layer 2 managed switches but without their complexity. The SLM248P offers forty-eight (48) 10/100 Copper ports with two (2) shared Gigabit copper or optical (SFP) uplink interfaces for connecting the switch to the core network. The SLM248P’s simplified user interface is an intuitive management tool enabling you to quickly utilize the comprehensive feature-set of the switch, resulting in a better optimized network.

Quality of Service—The SLM248P includes numerous QoS features to ensure that traffic is prioritized properly to deliver the best possible user experience for real time applications like voice and video or bandwidth intensive graphic/video file uploads or downloads. With its IGMP Snooping feature, the SLM248P limits IP multicast traffic (real time presentations, videoconferences, on-line gaming) to only the ports that have requested it enabling the rest of the network to operate at peak efficiency. Additional QoS capabilities like IEEE 802.1p Priority Tagging, DSCP (Differentiated Services Code Point), and 4 hardware queues also maintain quality for real-time applications like voice and video. Network traffic can be optimized with the switch’s 802.1Q VLAN (Virtual LAN) support which enables you to quickly segregate network traffic by department or workgroup. VLANs also provide an additional layer of security by keeping sensitive data separated from other workgroups on the network.

For Wireless or VoIP deployments, the SLM248P supports the IEEE802.3af standard for Power over Ethernet (PoE). This eliminates the need for additional power cables and the need for a nearby power outlet, thereby making installation simple and inexpensive, allowing networking devices like cameras and Wireless Access Points to be positioned in optimal locations like in ceilings and walls—even outdoors. Network Security is an absolute requirement for any business and preventing unauthorized access to the company network is business-critical. The SLM248P secures the network through 802.1X port authentication which prompts end-users to provide their username and password before they are permitted to pass data. User access can also be controlled through the SLM248P’s MAC-Based Filtering capability which allows network access only to those devices or workstations that have been authorized as identified by their MAC (Media Access Control) address. The Many-to-One or One-to-One Port Mirroring feature of the SLM248P enables you to monitor the type of traffic being transmitted on the network.

Quick, foolproof network expansion—The SLM248P includes features for quickly expanding and growing your network. To substantially increase network throughput speeds, especially useful for companies whose employees are routinely backing up their hard drives to a company server or storage platform, the SLM248P supports Link Aggregation which allows multiple high-bandwidth trunks between switches to be set up. Link Aggregation also provides a level of availability and redundancy as traffic will continue to flow even if one of the network links break. The SLM248P’s Spanning Tree Protocol support (STP) and Storm Control features help to control planned or inadvertent cable loops when switches are connected to one another. These loops can cause broadcast or multicast storms in the network and severely limit its performance. With these features, you can confidently build a mesh of switches and quickly expand your network to support your growing workforce.

Features:

  • 48 - 10/100 switched RJ-45 ports deliver up to 200 Mbps of throughput per port
  • 2 - 10/100/1000 switched RJ-45 Gbit uplink ports with 2 shared SFP ports (combo ports)
  • PoE on 24 - 10/100 ports (port 1-12 and port 25-36) compatible to IEEE 802.3af with the dedicated internal power at 180W, enough to support 7.5W for 24 PoE ports or 15.4W on 11 ports
  • 13.6 Gbps non-blocking, store-and-forward switching mechanism
  • Simplified QoS management enabled by advanced queuing techniques using 802.1p, IPv4/v6 DiffServ/ DSCP traffic prioritization specifications
  • Configuration and monitoring from a standard web browser with a simplified management interface
  • 802.1Q-based VLANs enable segmentation of networks for improved performance and security
  • Port-level security via 802.1X authentication and MAC-based filtering
  • Increased bandwidth (up to 8x) and added link redundancy with Link Aggregation Control Protocol (LACP)
  • Multicast and Broadcast Storm Control
  • Port Mirroring for noninvasive monitoring of switch traffic
  • Fully rack-mountable usingthe included rack-mounting hardware


Specifications

Model: SLM248P
Ports: 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: System, 10/100 Link/Act and PoE or Speed, Gigabit Link/Act and Speed

PoE
IEEE 802.3af compatible, The power of PoE can be dynamically allocated to the PoE ports according to PD’s power demand and power priority setting

Performance

Switching Capacity: 13.6 Gbps Non-Blocking
Forwarding Rate: 10.12 Mpps Wire-Speed Performance

Layer 2

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
Port Mirroring: Traffic on a port can be mirrored to another port for analysis with a network analyzer
Other Management: Port Mirroring, 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 Queuing 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,
802.3 ad LACP,
802.3af PoE,
802.1D STP,
802.1Q/p VLAN,
802.1X Port Access Authentication

Environmental

Dimensions: 17.32" x 1.70" x 13.58" (440 x 43.2 x 345 mm)
Weight: 10.14 lb (4.6 kg)
Power: Internal Power, 100-240V
Certification: FCC Part15 Class A, CE Class A, UL, cUL, CE mark, CB
Operating Temp.: 32 to 122°F (0 to 50°C)
Storage Temp.: 32 to 158°F (0 to 70°C)
Operating Humidity: 10 to 90%, Noncondensing
Storage Humidity: 10 to 90%, Noncondensing

Package Contents

  • SLM248P 48-Port 10/100 + 2-Port 10/100/1000 Gigabit Smart Switch with 2 Combo SFPs and PoE
  • AC Power Cord
  • Rack Mounting Kits with Bracket and Hardware
  • One CD with User Guide in PDF Format
  • One Online Registration Card


Minimum Requirements

  • Web-Based Utility: Microsoft Internet Explorer (version 5.5 or above) Web Browser
  • Cat5 Ethernet Network Cable

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