• Cisco SG500-28-K9-AU 28-port Layer 3 switch with stacking
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Cisco

Cisco SG500-28-K9-AU | 24x 1G RJ-45 | 4x 1G SFP uplinks | non-PoE | Layer 3 static routing | true stacking | license-free

SG500-28-K9-AU

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Description

Managed Gigabit switch with 24 copper ports and four 1G SFP uplinks for flexible fiber connectivity. Provides Layer 3 static routing, comprehensive L2 features, QoS, and security in an SMB-friendly platform with true stacking.

Features

- Flexible fiber uplinks via four 1G SFP ports
- License-free L2/L3 feature set for SMB deployments
- True stacking streamlines multi-switch management
- Strong security and QoS for converged networks
- Energy-efficient design with 802.3az support

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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Technical Specifications

FAQs

Technical Specifications

- Downlinks: 24x 10/100/1000BASE-T (RJ-45), auto-MDI/MDIX
- Uplinks: 4x 1G SFP
- PoE: None (non-PoE)
- Layer 3: Static IPv4/IPv6 routing, inter-VLAN routing
- Layer 2: 802.1Q VLANs (4K IDs), STP/RSTP/MSTP, LACP (802.3ad)
- QoS: 8 egress queues, DSCP/CoS classification, rate limiting
- Security: 802.1X, ACLs, DHCP snooping, IP Source Guard
- Management: Web UI, CLI, SNMP v1/v2c/v3, RMON, Syslog
- Stacking: True stacking up to 8 units
- Switching capacity: 56 Gbps; forwarding rate: ~41.7 Mpps
- Jumbo frames: up to 9K
- Energy Efficient Ethernet (802.3az)
- Rack mounting: 1RU; internal AC power supply

FAQs

Q: Are the SFP uplinks dual-purpose combo ports?
A: The four SFPs serve as dedicated 1G fiber uplinks on this model; behavior may vary by hardware revision—consult the device’s port labeling for combo functionality.

Q: Does it support inter-VLAN routing?
A: Yes, static Layer 3 routing enables inter-VLAN routing without a separate router.

Q: Is any license required to enable features?
A: No, the switch is license-free.

Q: Can I stack it with other SG500 family switches?
A: Yes, it supports true stacking with compatible SG500/SG500X family models.

Q: What optics fit the SFP uplinks?
A: Standard 1G SFP modules such as 1000BASE-SX/LX and compatible copper SFPs where supported.

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