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Part Number:
155159
Usually Ships:
1-3 Days More info
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Manuf No:
SRW248G4P-K9-AU
SRW248G4PK9AU
Shipping Weight:
8 KG (Includes product packaging)

Secure, Reliable Switching with PoE for Growing Small Businesses

Highlights

Connects up to 48 network devices - PCs, printers, and servers - to share and transfer files and videos across your network

Power over Ethernet easily and cost-effectively powers wireless access points, video cameras, and other network-connected endpoints

Enhanced QoS helps ensure a consistent network experience and supports networked applications including voice, video, and data storage

Strong security protects network traffic to keep unauthorized users off the network

Figure 1. Cisco SRW248G4P 48-Port 10/100 + 4-Port Gigabit Switch: WebView/PoE

Product Overview

The Cisco  SRW248G4P 48-Port 10/100 + 4-Port Gigabit Switch (Figure 1) offers a highly secure means of expanding your network. Web-based configuration of the switch is secured using SSL. User access is verified with 802.1X security using a RADIUS authentication mechanism and can also be controlled using MAC-based filtering.
Extensive quality of service (QoS) features makes the solution ideal for real-time applications such as voice and video. The four priority queues, together with the weighted round-robin and strict priority scheduling techniques, facilitate efficient coexistence of real-time traffic with data traffic, allowing each to meet its QoS needs. Individual users or applications can be prioritized above others using various class of service options - by port, Layer 2 priority (802.1p), and Layer 3 priority (type of service [ToS] or differentiated services code point [DSCP]). Intelligent broadcast and multicast storm control minimizes and contains the effect of these types of traffic on regular traffic. Internet Group Management Protocol (IGMP) snooping limits bandwidth-intensive video traffic to only the requestors without flooding all users. Incoming traffic can be policed and outgoing traffic can be shaped, allowing you to control network access and traffic flow.
Other features of the Cisco SRW248G4P allow you to expand and grow your network of switches. Link aggregation allows multiple high-bandwidth trunks between switches to be set up. This also provides reliability, in that the system continues to operate if one of the links breaks. Spanning Tree Protocol (STP), Fast STP, Rapid STP (RSTP), and Multiple STP (MSTP) allow you to build a mesh of switches, increasing the availability of the system.
The rich features of the WebView management software include Simple Network Management Protocol (SNMP), Remote Monitoring (RMON), Telnet, and HTTP management options, allowing you to flexibly integrate and manage these devices in your network.
Automatic load sensing in the power control circuitry automatically detects Power over Ethernet (PoE) on the access points before providing power. Power feeding of Ethernet is limited for the fixed 10BASE-T/100BASE-TX ports. The switch can provide maximum output power per PoE port of up to 15.4W on 24 ports or 7.5W on 48 ports simultaneously. Each port has independent overload and short-circuit protection, with LED indicators for power status. Cable diagnostics can be performed using the switch's WebView utility.

Features

Forty eight 10/100 switched RJ-45 ports deliver up to 4 Gbps of throughput per port

Two shared 10/100/1000 mini Gigabit Interface Converter (mini-GBIC) ports

Switching capacity delivers wire-speed performance at 17.6 Gbps, nonblocking capacity

WebView monitoring allows administrators to view the current status and configuration using their favorite web browser

PoE on forty-eight 10/100 ports supplies up to 7.5W per port, or on twenty-four 10/100 ports supplies up to IEEE 802.3af maximum of 15.4W per port

Automatic medium dependent interface (MDI) and MDI crossover (MDI-X) cable detection

Port-based and 802.1Q-based VLANs support up to 256 VLANs

Port trunking for up to eight groups allows you to increase your bandwidth for each uplink or server connection

Port configuration settings for link, speed, auto MDI/MDI-X, flow control, and more

Fully rack mountable using the included rack-mounting hardware

MAC address table supports up to 8000 MAC address entries

Optimal platform to support real-time applications such as voice and video by providing features like IGMP snooping, multiple queues (four) with appropriate scheduling techniques, prioritization of traffic based on port, 802.1p, IP ToS/precedence/DSCP, TCP/User Datagram Protocol (UDP) port, and line rate forwarding mechanisms

Enhanced QoS functions, including rate limiting for ingress/egress and per flow at 64 kbps granularity

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

Advanced security access control list (ACL) can deny or limit network access based on Layer 1 through 4 information such as MAC, Ethernet type, VLAN ID, IP address, protocol ID, or TCP/UDP port

Containment of storms - broadcast and multicast

Expandability and availability increased across multiple switches using link aggregation

SNMP and RMON management expand your visibility options

Specifications

Table 1 contains the specifications, package contents, and minimum requirements for the Cisco SRW248G4P 48-Port 10/100 + 4-Port Gigabit Switch.

Table 1. Specifications for the Cisco SRW248G4P 48-Port 10/100 + 4-Port Gigabit Switch: WebView/PoE

Specifications

Ports

48 RJ-45 connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T with 2 shared Small Form-Factor Pluggable (SF) slots and 2 mini-GBIC ports

Cabling Type

Unshielded twisted pair (UTP) Category 5 or better for 10BASE-T/100BASE-TX, UTP Category 5 Ethernet or better for 1000BASE-T

LEDs

Power, Link/Act, Speed

Performance

Switching capacity

17.6 Gbps, nonblocking

MAC table size

8000

Number of VLANs

256 active VLANs - 4096 range

Forwarding Rate in Full Duplex Mode

Bandwidth in Gigabit - 17.6
Bandwidth in Gigabyte - 2.2
PPS packets per second - 715214.6MPPS
Mega packets per second - 0.72

Management

Web user interface

Built-in web user interface for easy browser-based configuration (HTTP/HTTPS)

SNMP

SNMP versions 1, 2, and 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, and 9 only
RFC2737 entity MIB
RFC 2618 RADIUS client MIB

RMON

Embedded RMON software agent supports 4 RMON groups (history, statistics, alarms, and events) for enhanced traffic management, monitoring, and analysis

Firmware upgrade

Web browser upgrade (HTTP)
Trivial File Transfer Protocol (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)
SSH and Telnet management (SSH v2)
Telnet client
SSL security for web user interface
Switch audit log
Dynamic Host Configuration Protocol (DHCP) client
BOOTP
Simple Network Time Protocol (SNTP)
Xmodem upgrade
Cable diagnostics
Ping

Security Features

IEEE 802.1X

802.1X - RADIUS authentication; MD5 encryption

Access control

ACLs - drop or rate limit based on:

Source and destination MAC address
Source and destination IP address
Protocol
ToS/DSCP
Port
VLAN
Ethertype

Availability

Link aggregation

Link aggregation using IEEE 802.3ad Link Aggregation Control Protocol (LACP)
Up to 8 ports in up to 8 trunks

Storm control

Broadcast and multicast

Spanning Tree

IEEE 802.1d STP, IEEE 802.1w RSTP, IEEE 802.1s MSTP, 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

Port based
802.1p VLAN priority based
IPv4 IP precedence/ToS/DSCP
TCP/UDP port

Layer 2

VLAN

Port-based and 802.1Q-based VLANs
Management VLAN

Head-of-line (HOL) blocking

HOL blocking prevention

Jumbo frame

Supports frames 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 13.7 in.

(440 x 44 x 348 mm)

Unit weight

11.42 lb (5.18 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 122F (0 to 45C)

Storage temperature

-4 to 158F (-20 to 70C)

Operating humidity

20% to 95%

Storage humidity

5% to 90% noncondensing

Package Contents

Cisco SRW248G4P 48-Port 10/100 + 4-Port Gigabit Switch
AC power cord
Rack-mounting kit with brackets and hardware
CD with user guide in PDF format
Online registration card
Console cable

Minimum Requirements

Web-based utility: Microsoft Internet Explorer (version 5.5 or later)
Category 5 Ethernet network cable
Operating system: Windows 2000, XP, or later

Product Warranty

5-year limited hardware warranty with return to factory replacement and 90-day limited software warranty

Specification Sheets / Installation guides / Associated files

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