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Cisco SG250-50P | PoE Switch | 48x 1000Mb/s PoE/PoE+, 2x 1Gb/s Combo, PoE 375W, Managed
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Cisco SG250-50P | PoE Switch | 48x 1000Mb/s PoE/PoE+, 2x 1Gb/s Combo, PoE 375W, Managed

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CISCO
KOD: SG250-50P-K9-EU
EAN: 0882658994517
Number of LAN ports: 48x [10/100/1000M (RJ45)]
Number of LAN ports: 2x [1G Combo (RJ45/SFP)]
Number of PoE ports: 48x [802.3af/at (1G)]
10G support: No
AC input frequency: 50 - 60
About productSpecification

About product

Cisco SG250-50P - 50-port Gigabit PoE manageable switch

The SG250-50P switch is equipped with 48 1000 Mbps ports with PoE/PoE+ support. Power budget for PoE is 375 W. The switch has additionally 2 Gigabit Combo (RJ45/SFP) ports. There are several ways to configure and manage the switch. Graphical Web interface and CLI. text console.

High quality and failure-free

The switch has a bandwidth of 74.41 million packets per second (64-byte packets) and a switching capacity of 100.0 Gb/s. The manufacturer's predicted limit of failure-free operation time of the device is 53 thousand hours (MTBF at 50°C).

Cisco 250 series - smart switches

Cisco 250 Series is the next generation of smart and affordable switches that guarantee high network performance and reliability. They are equipped with a wide range of network features needed to configure a stable business network. These powerful Fast or Gigabit Ethernet switches with 1000 Mbps or 10 Gbps Ethernet ports offer several management options, advanced security features, customized (QoS) service quality features, and Layer 3 static routing. These features far outperform ordinary unmanageable switches, while providing lower costs compared to fully managed switches. Power over Ethernet Plus (PoE+), easy to use GUI, Smart Network Application allows you to create and configure a complete and efficient computer network.

Business applications

Whether you need basic high-speed connectivity to computers and servers or a comprehensive voice or wireless data solution, the Cisco 250 Series switches can meet your needs, and possible deployment scenarios are:
Fast connectivity to computers - Cisco 250 series switches enable fast and secure connection of computers, printers, servers with other devices. High performance and reliable connectivity help to speed up file transfer and data processing, extend network operation time, which in turn also increases the level of employee performance.
Flexible wireless - To increase network coverage, the Cisco 250-series switches work with Cisco wireless solutions as well as those of other manufacturers. With security features, Power over Ethernet (PoE) power, VLAN and QoS features, they provide an excellent basis for creating an efficient yet highly secure network. The ability to power devices through PoE with up to 30 watts per port via an Ethernet cable means that innovative 802.11ac wireless technology can easily be deployed to maximize network throughput.
Uniform communication - The Cisco 250 series offers QoS features that enable you to prioritize delay-sensitive traffic on your network and connect all communication solutions such as IP telephony and video surveillance to a single Ethernet network. Cisco offers a full range of IP telephony and other communication products for small businesses that have been thought through, designed and adapted to the needs of small business. The Cisco 250 series switches have been rigorously tested to ensure easy integration and full compatibility with other manufacturer's devices.

Using the 250 series - features and benefits

  • Easy configuration and management
  • Reliability and performance
  • Static layer 3 routing
  • Power over Ethernet Plus (PoE+)
  • Power supply to switches via PoE and PoE pass-through
  • Network security
  • IPv6 support
  • Support for IP telephony
  • Energy-saving solutions
  • Cisco Limited Lifetime Warranty
  • World-class support

Specification

Features / filters

LAN standard
Number of LAN ports
Number of LAN ports
Number of PoE ports
10G support
AC input frequency
AC input voltage
Access Control List (ACL)
Access Control List (ACL) rules
Basic switching RJ-45 Ethernet ports quantity
Basic switching RJ-45 Ethernet ports type
Broadcast storm control
Built-in processor
Certification
Combo SFP ports quantity
Copper ethernet cabling technology
Depth
DHCP features
DoS attack prevention
Firmware upgradeable
Flash memory
Form factor
Forwarding rate
GARP VLAN Registration Protocol (GVRP)
Gigabit Ethernet (copper) ports quantity
Harmonized System (HS) code
Head-of-line (HOL) blocking
Heat dissipation
Height
IGMP snooping
Internal memory
IPv4 & IPv6 features
Jumbo frames
Jumbo frames support
LED indicators
Link aggregation
Loop protection
MAC address table
Management
Management
Mean time between failures (MTBF)
Networking standards
Noise level
Number of fans
Number of queues
Number of VLANs
Numbers of pieces in the package
Operating relative humidity (H-H)
Operating temperature (T-T)
Packet buffer memory
Plug and Play
Port mirroring
Power (W)
Power consumption (max)
Power over Ethernet (PoE)
Power over Ethernet plus (PoE+) ports quantity
Power supply included
Processor frequency
Product colour
Quality of Service (QoS) support
Queue scheduling algorithms
Quick start guide
Rack mount kit
Rack mounting
Rate limiting
Reset button
Security algorithms
Spanning tree protocol
SSH/SSL support
Storage relative humidity (H-H)
Storage temperature (T-T)
Switch layer
Switch type
Switching capacity
Switching layer
System event log
Total Power over Ethernet (PoE) budget
Type of case
USB 2.0 ports quantity
Virtual LAN features
VLAN support
Web-based management
Weight
Width

Specification

802.3at PoE+ and 802.3af PoE
Support for 802.3at PoE+, 802.3af and Cisco prestandard (legacy) PoE Maximum power 30 W for any 10/100 or Gigabit Ethernet port until the PoE power budget for the switch is reached
Number of ports supporting PoE
48
Power dedicated to PoE
375 W
Green power
EEE, Energy Detect, Short Reach
Energy consumption of the system
60.3 W
Energy consumption (with PoE)
468.1 W
Heat distribution (BTU/hr)
1644.31
Total number of ports
50 x Gigabit Ethernet
Ports RJ-45
48 x Gigabit Ethernet
Combo ports (RJ-45 + SFP)
2 x Gigabit Ethernet Combo
USB connector
USB Type A socket on the front panel of the switch makes it easy to manage files and images
Buttons
Reset button
Cabling
UTP category 5 or higher for 10BASE-T/100BASE-TX UTP category 5e or higher for 1000BASE-T
LEDs
System, Link/Act, PoE, Speed
Flash Memory
256 MB
CPU
800 MHz ARM
CPU memory
512 MB
Package buffer
24 Mb
Supported SFP/SFP+ modules
MGBBX1, MGBSX1, MGBLH1, MGBLX1, MGBT1, GLC-LH-SMD=, GLC-BX-U=, SFP-H10GB-CU1M, SFP-H10GB-CU3M, SFP-H10GB-CU5M, SFP-10G-SR, SFP-10G-LR, SFP-10G-SR-S, SFP-10G-LR-S
Dimensions
440 mm x 44 mm x 350 mm
Weight
4.82 kg
Power supply
Input 100 to 240 V, 50 to 60 Hz, internal
Certificates
UL (UL 60950), CSA (CSA 22.2), CE, FCC Part 15 (CFR 47) Class A
Ambient temperature during operation
0°C to 50°C
Storage temperature
-20°C to 70°C
Ambient humidity during operation
10% to 90%, relative, non-condensing
Humidity during storage
10% to 90%, relative, non-condensing
Fan (quantity)
4
Noise level
0°C to 30°C: 35.6 dB 50°C: 50.2 dB
MTBF at 50°C (in hours)
53839
Guarantee period
Limited, lifelong
Package contents
Cisco 250 series smart switch Power cable (power supply for 8-port and 10-port units) Mounting kit Brief instruction manual
Capacity in millions of packets per second (mpps), 64-byte packets
74.41
Switching capacity in gigabits per second (Gbps)
100.0
Spanning Tree Protocol (STP)
Support for 802.1d spanning tree Default 802.1w enabled (Rapid Spanning Tree [RSTP]) Multiple instances of Spanning Tree using 802.1s (MSTP) 8 instances are supported
Port grouping/link aggregation
Support for IEEE 802.3ad Link Aggregation Control Protocol (LACP) ● up to 4 groups up to 8 ports per group with 16 candidate ports for each aggregated dynamic link 802.3ad LAG
VLAN
Supports up to 256 active VLANs simultaneously VLANs based on ports and tags 802.1Q VLAN network management Guest VLAN
Voice VLAN
Voice data is automatically assigned to a voice specific VLAN and processed using appropriate QoS rules.
Generic VLAN Registration Protocol (GVRP) and Generic Attribute Registration Protocol (GARP)
Protocols for automatic expansion and configuration of VLANs in a bridged domain
IGMP (versions 1, 2 and 3) snooping
IGMP limits high-bandwidth multicast traffic to requesters only; supports up to 4K multicast groups (Source-specific multicast SSM is also supported)
IGMP querier
Querier IGMP is used to operate the Layer 2 snooping switches multicast domain in the absence of a multicast router
Head-Of-Line (HOL) blocking
Prevention of HOL blockades
Feedback loop detection
Feedback loop detection provides loop protection by transmitting loop protocol packets from ports where loop protection has been enabled It works independently of STP
Routing IPv4
IPv4 packet forwarding at Internet connection speed Up to 32 static routes and up to 16 IP interfaces
Routing IPv6
IPv6 packet forwarding at Internet connection speed
Layer 3 interface
Layer 3 interface configuration on physical port, LGD, VLAN or loopback interface
Classless Interdomain Routing CIDR
Support for CIDR
DHCP relay on layer 3
Transmission of DHCP traffic between IP domains
UDP relay
Transmission between layer 3 domains to detect the use or transmission of bootP/DHCP packets
SSL
Secure Sockets Layer (SSL) encrypts all HTTPS traffic, allowing secure access to a browser-based graphical management interface
Secure Shell Protocol (SSH)
SSH is a secure replacement for Telnet connections Secure Copy (SCP) also uses SSH SSH v1 and v2 are supported
IEEE 802.1X (authorization function)
RADIUS authentication, guest VLAN, single/multiple host mode and single/multiple sessions
Secure Core Technology (SCT)
The switch will receive and manage processes and protocol traffic regardless of the amount of traffic received
Secure Sensitive Data (SSD)
Mechanism to manage sensitive data (such as passwords, keys, etc.) and securely place it in the switch, deliver it to other devices and securely auto-configure it Access to view confidential data in plain text or encrypted text is provided according to the user configured access level and user access method
Port security
Possibility to block sources of MAC addresses to ports and limit the number of known MAC addresses
RADIUS
Supports RADIUS authentication for management access The switch acts as a customer
Storm protection
Transmission, multicast and unknown unicast
Prevention of DoS
Prevention of Denial-of-Service (DoS) attacks
Access Control Lists (ACLs)
Packet rejection and delimitation based on source and destination MAC, VLAN ID or IP address, protocol, port , Differentiated Services Code Point (DSCP)/IP precedence, source and destination ports TCP/UDP, 802.1p priorities, Ethernet type, ICMP packets, IGMP packets Support for up to 512 rules
STP feedback protection
Provides additional protection against layer 2 transmission loops (STP loops)
Priority levels
8 queues
Planning
Strict priority and Weighted Round-Robin (WRR) based on DSCP and service class (802.1p/CoS)
Class of service
Port based; 802.1p based on VLAN priority; IPv4/v6 priority, service type (ToS) and DSCP based; DiffServed services; ACL classification and recharging, trusted QoS
Limitation of transmission speed
Ingress policer; outbound bandwidth limiting and bandwidth control; VLAN-based, port-based and flow-based
Avoiding congestion
TCP congestion avoidance algorithm is required to limit and prevent losses of global TCP synchronisation
Standards
IEEE 802.3 10BASE-T Ethernet, IEEE 802.3u 100BASE-TX Fast Ethernet, IEEE 802.3ab 1000BASE-T Gigabit Ethernet, IEEE 802.3ad Link Aggregation Control Protocol, IEEE 802.3z Gigabit Ethernet, IEEE 802.3x Flow Control, IEEE 802.3 ad LACP, IEEE 802.1D (STP), IEEE 802.1Q/p VLAN, IEEE 802.1w RSTP, IEEE 802.1s Multiple STP, IEEE 802.1X Port Access Authentication, IEEE 802.3af, IEEE 802.3at, RFC 768, RFC 783, RFC 791, RFC 792, RFC 793, RFC 813, RFC 879, RFC 896, RFC 826, RFC 854, RFC 855, RFC 856, RFC 858, RFC 894, RFC 919, RFC 920, RFC 922, RFC 950, RFC 951, RFC 1042, RFC 1071, RFC 1123, RFC 1141, RFC 1155, RFC 1157, RFC 1213, RFC 1215, RFC 1286, RFC 1350, RFC 1442, RFC 1451, RFC 1493, RFC 1533, RFC 1541, RFC 1542, RFC 1573, RFC 1624, RFC 1643, RFC 1700, RFC 1757, RFC 1867, RFC 1907, RFC 2011, RFC 2012, RFC 2013, RFC 2030, RFC 2131, RFC 2132, RFC 2233, RFC 2576, RFC 2616, RFC 2618, RFC 2665, RFC 2666, RFC 2674, RFC 2737, RFC 2819, RFC 2863, RFC 3164, RFC 3411, RFC 3412, RFC 3413, RFC 3414, RFC 3415, RFC 3416, RFC 4330
IPv6
IPv6 host mode IPv6 via Ethernet Dual IPv6/IPv4 stack IPv6 neighbor and Router Discovery (ND) Automatic configuration of the IPv6 address MTU (Path Maximum Transmission Unit) detection Duplicate address detection (DAD) Internet Control Message Protocol (ICMP) version 6 IPv6 via IPv4 with support for Intrasite Automatic Tunnel Addressing Protocol (ISATAP) Gold certificate USGv6 and IPv6 logo
IPv6 QoS
Prioritization of IPv6 packets
IPv6 ACL
Packet rejection or IPv6 speed limiter
Multicast Listener Discovery (MLD v1/2) snooping
Delivering IPv6 multicast packets only to selected receivers
IPv6 applications
Web/SSL, Telnet server/SSH, Ping, Traceroute, Simple Network Time Protocol (SNTP), Trivial File Transfer Protocol (TFTP), Simple Network Management Protocol (SNMP), Remote Authentication Dial-In User Service (RADIUS), Syslog, DNS client, DHCP client, DHCP autoconfig
User interface
Built-in switch configuration tool for easy configuration of devices in the browser (HTTP/HTTPS) Supports configuration, system desktop, system maintenance and monitoring Basic and advanced mode for maximum performance
Smart Network Application (SNA)
Innovative network level monitoring and management tool - built into Cisco 250 to 550X series switches It enables detection of network topology, link status display, event monitoring, configuration, updating software images using multiple switches on the network
SNMP
SNMP 1, 2c and 3 versions with SNMP Traps support SNMP 3 based on the User Security Model (USM)
Remote monitoring (RMON)
The built-in RMON program supports 4 RMON groups (history, statistics, alarms and events) for monitoring, analysis and better traffic management
Dual IPv4 and IPv6 stack
Coexistence of both piles of protocols to facilitate migration
Firmware update
Web browser update (HTTP/HTTPS) and Trivial File Transfer Protocol (TFTP) Dual images for flexible firmware updates
Port cloning
Traffic at a port can be reflected in another port for analysis using a network analyser or RMON probe Up to 4 source ports can be mirrored to one destination port
VLAN mirroring
Traffic from a VLAN can be reflected in another port for analysis using a network analyser or RMON probe Up to 4 source VLANs can be mirrored to one destination port
DHCP (options 12, 66, 67, 82, 129 and 150)
DHCP options allow tighter control from a central point (DHCP server) to obtain the IP address, auto-configuration (with download of configuration file), DHCP relay and host name
Secure copy (SCP)
Safely transfers files to and from the switch
Auto-configuration with SCP file download
Enables mass deployment with protection of sensitive data
Text-based configuration files
Configuration files can be edited with a text editor and downloaded to another switch to facilitate mass deployment
Smartports
Simplified configuration of QoS and safety functions
Auto Smartports
Automatically applies intelligence delivered through Smartports roles to the port based on devices detected by Cisco Discovery Protocol or LLDP-MED
Command-Line Interface (CLI)
Scriptable CLI Full CLI is supported, as well as menu-based CLI Supported user rights levels 1, 7 and 15 for CLI
Cloud services
Support for Cisco FindIT Network Manager and Cisco Active Advisor
Built-in FindIT network probe
Support for the built-in FindIT Network Probe operating on the switch Eliminates the need to configure separate hardware or virtual machine for FindIT Network Probe on site
Agent Cisco Network Plug and Play (PnP)
The Cisco Network Plug and Play solution provides a simple, secure, consistent and integrated offer to facilitate the introduction of new branches or campus equipment, or the delivery of updates to an existing network The solution provides a consistent approach to delivering Cisco routers, switches and wireless devices with near-zero touch
Other forms of management
Traceroute; single IP management; HTTP/HTTPS; RADIUS; port mirroring; TFTP update; DHCP client; Simple Network Time Protocol (SNTP); cable diagnostics; Ping; syslog; Telnet client (SSH support); automatic time settings from Management Station
Detection of energy consumption
Automatically turns off the power to the RJ-45 port when a missing connection is detected Active mode is resumed without packet loss when the switch detects that the link is active
Cable length detection
Adjusts signal strength according to cable length, reduces power consumption for shorter cables
Compliance with the requirements of EEE 802.3az
Supports IEEE 802.3az on all RJ45 Gigabit Ethernet ports
LED switch-off for ports
LEDs can be manually switched off to save energy
Temporary use of the port
Lifting or deactivating the port based on a user-defined schedule
Temporary PoE
PoE power can be switched on or off based on a user-defined schedule to save energy
Jumbo frames
Frame sizes up to 9K bytes The default MTU is 2K bytes
MAC Table
Up to 8000 addresses
Bonjour
Bonjour protocol support
Connection Layer Detection Protocol (LLDP) (802.1ab) with LLDP-MED extensions
LLDP allows the switch to broadcast its identification, configuration and capabilities to adjacent devices that store data in MIB LLDP-MED is an LLDP extension that adds extensions needed for IP phones
Cisco Discovery Protocol
The switch is broadcast via the Cisco Discovery Protocol View brief information about connected Cisco network devices, IP phones and wireless access points

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Information on the person responsible for the product and safety, compliance and warnings.

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Cisco SG250-50P | PoE Switch | 48x 1000Mb/s PoE/PoE+, 2x 1Gb/s Combo, PoE 375W, Managed
437,37 GBP with VAT 23%
355,58 GBP without VAT
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