Name: SF550X-48MP-K9 Cisco 550x Series 48-Ports 10/100Base-TX Fast Ethernet PoE+ 2-Ports 10GBase-X SFP+ Uplink 2-Ports Combo Uplink Layer 3 Managed Stackable Rack-mountable Gigabit Ethernet Switch
Brand: Cisco
SKU: SF550X-48MP-K9
Price: 360.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Cisco 550x Series 48-Ports switch combines extensive PoE+ connectivity with Layer 3 routing and stacking capabilities. It fits into enterprise networks that need versatile port options, efficient traffic routing, and scalable deployment, often serving as a backbone or aggregation switch in demanding environments.

General Information
Brand	Cisco
Part Number	SF550X-48MP-K9
Condition	Refurbished

Technical Information
Switch Ports	48-Ports
Number of Ports	48-Ports
Port Type	10/100/1000Base-T, Combo RJ-45/SFP, SFP+, USB Console, Serial Console (RJ-45)
Port Speed	10/100/1000Base-T
UpLink Ports	2 x 10GBase-X SFP+; 2 x Combo (RJ-45/SFP)
POE Support	PoE+
VLAN Support	Yes
Max VLANs Supported	4094
Stackable	Yes
Layer Support	Layer 3
Connector Type	RJ-45,SFP,SFP+

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, RIP, OSPF, VRRP
Remote Protocols	Yes
Management Interfaces	Web-based GUI (HTTPS/HTTP), Command Line Interface (SSH/Telnet), SNMP v1/v2c/v3, RMON, REST API (where supported)
Security Features	802.1X authentication,Access control lists (ACLs),Port security,Storm control,ARP inspection,DHCP snooping,IP Source Guard,DoS attack prevention,MAC filtering
Security	802.1X
Remote Management Protocol	SNMPv1/v2c/v3,SSH,Telnet,HTTP,HTTPS,RMON
Routing Protocol	Static, RIP

Physical Characteristics
Weight	5.00
Operating Temperature	0°C to 45°C

Miscellaneous
Compliance Standards	WEEE, RoHS, CE, FCC, UL
Compliant Standards	IEEE 802.1D,IEEE 802.1p,IEEE 802.1Q,IEEE 802.1w,IEEE 802.1x,IEEE 802.3,IEEE 802.3u,IEEE 802.3ab,IEEE 802.3z,IEEE 802.3x

Product Description
The Cisco 550x Series 48-Ports switch provides robust network performance with Power over Ethernet Plus (PoE+) on all ports, allowing it to supply power and data to connected devices like IP phones, cameras, and wireless access points. It’s often found in enterprise network setups where reliable, high-speed connections and advanced management features are required. Built for network administrators looking to handle complex environments, this switch combines Layer 3 routing functions with stackability, giving flexibility to scale and simplify operations. Its dual 10G SFP+ and combo uplinks support seamless integration with core networks and data centers. Key Features Supports PoE+ to power devices directly through Ethernet cables Offers Layer 3 routing for efficient traffic management across subnets Includes stackable design for easier network expansion and redundancy Features multiple uplink options to connect to high-speed network backbones Managed through Cisco IOS for detailed configuration and monitoring This switch is commonly deployed in mid-size to large enterprise networks, data centers, or campus environments where a mix of access and aggregation ports is necessary. Its combination of PoE+ support and advanced routing makes it well suited for powering and managing various network devices while maintaining strong network performance and uptime.

Use Cases
The Cisco SF550X-48MP-K9 switch is ideally suited for mid-to-large enterprise environments requiring robust Power over Ethernet (PoE+) support and advanced Layer 3 features. It benefits network administrators managing campus backbones, multi-floor office deployments, or branch aggregation where high-speed uplinks and scalable stacking are essential. How It's Used: Aggregating access-layer switches in enterprise campus networks to support VoIP phones and wireless access points through PoE+ ports. Providing high-bandwidth uplinks in data center edge deployments for connecting virtualization hosts and storage clusters. Enabling scalable network growth in multi-building campuses via stackable switching design and Layer 3 routing capabilities. Serving as an aggregation switch for remote or branch offices that require secure and efficient traffic routing. Supporting converged networks in environments requiring simultaneous voice, video, and data traffic management with QoS controls. By integrating comprehensive PoE+ connectivity with Layer 3 and stacking functionality, this switch supports efficient network segmentation and traffic management. Its rack-mount form factor and uplink flexibility help maintain performance and scalability in complex enterprise network topologies.

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