Cisco

Cisco SG250-50P-K9-AU | 48x 1G PoE+ (802.3af/at, 375W), 2x 1G RJ45/SFP combo uplinks, Smart Managed

Cisco SG250-50P-K9-AU | 48x 1G PoE+ (802.3af/at, 375W), 2x 1G RJ45/SFP combo uplinks, Smart Managed

SKU:SG250-50P-K9-AU

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Description

High-density smart-managed Gigabit access switch with 48 PoE+ ports and a 375W power budget for IP phones, cameras, and APs. Two 1G RJ45/SFP combo uplinks provide flexible fiber or copper connectivity. L2 feature set includes 802.1Q VLANs, voice VLAN, QoS, ACLs, IGMP snooping, and STP/RSTP/MSTP, managed via an intuitive web UI and SNMP. Ideal for SMB aggregation and access layers where reliable PoE and straightforward management are required.

Features

- 48x Gigabit PoE+ access with a robust 375W budget for dense powered deployments
- 2x 1G RJ45/SFP combo uplinks for flexible fiber or copper aggregation
- Smart-managed simplicity with web GUI and SNMP monitoring
- Comprehensive L2 feature set: VLANs, QoS, ACLs, IGMP snooping, and STP variants
- Business-ready security with 802.1X, DHCP snooping, and port security
- Energy Efficient Ethernet to reduce power consumption
- Rack-mountable for straightforward integration in network cabinets

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Are SFP transceivers included with the combo uplinks?
A: No. SFP modules are sold separately; the combo uplinks support 1G SFP optics.

Q: Does this switch support Layer 3 static routing?
A: No. It is a smart-managed Layer 2 switch. For static routing, consider a higher-series L3-capable model.

Q: Is this model fanless?
A: No. 48-port PoE+ models employ active cooling.

Q: Can both RJ45 and SFP sides of a combo port be used at the same time?
A: No. Only one interface in each combo pair can be active at a time.

Q: What is the maximum PoE power per port?
A: Up to 30W on PoE+ (802.3at) ports, subject to the 375W total budget.

Technical Specifications

- Interfaces: 48x 10/100/1000BASE-T PoE+ access ports
- PoE budget: 375W total; IEEE 802.3af/at (PoE/PoE+), auto class negotiation
- Uplinks: 2x 1G RJ45/SFP combo ports (one interface active per combo)
- Layer 2 switching: wire-speed MAC learning and forwarding
- VLANs: IEEE 802.1Q, Voice VLAN support
- Spanning Tree: STP, RSTP, MSTP
- Multicast: IGMP snooping v1/v2/v3
- QoS: 802.1p CoS, DSCP remarking, per-port/queue scheduling
- Security: 802.1X port-based authentication, port security, ACLs, DHCP snooping
- Management: Web-based GUI, SNMP v1/v2c/v3, RMON; firmware upgrade via web/TFTP
- Energy Efficient Ethernet (IEEE 802.3az)
- Form factor: 19-inch rack-mountable (rack ears included)

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