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SG500-28P
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- Cisco SG500-28P 28-port Gigabit POE Stackable Managed Switch
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SG500-28P Overview
SG500-28P is a Cisco 28-port PoE managed Gigabit switch that combines robust Layer 2 switching with limited Layer 3 routing capabilities for efficient, scalable networking. Built on a modern architecture, it offers flexible power options with an AC power supply and delivers high-performance connectivity through 24 PoE-enabled 10/100/1000 Ethernet ports complemented by 4 1G SFP uplink ports, ensuring reliable media type support and compatibility for both twisted pair and fiber connections.
SG500-28P is engineered for scalability and simplified network management with stackable design features that support future growth without sacrificing performance. It is ideally suited for medium-sized enterprises, branch offices, and campus environments where fast data routing, enhanced security, and efficient power distribution via POE+ capabilities meet the demands of bandwidth-intensive applications and streamlined installations.
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SG500-28P Specifications
| Product Type | Switch |
| Power Source | AC Power Supply |
| Layer Supported | Layer 2 / Layer 3 Lite |
| Form Factor | Rack-mount |
| Power Consumption | N/A |
| Number Of Ethernet Ports | 24–48 Ports |
| Number Of Downlink Ports | 24 Ports |
| Manageable | Managed |
| Ethernet Technology | 10/100/1000 |
| Media Type Supported | Twisted Pair / Fiber / Combo |
| Redundant Power Supply Supported | No |
| Manufacturer Part Number | SG500-28P |
| Uplink Configuration | 1G |
| IOS | LAN Lite |
| POE Support | POE+ |
| SFP Ports | 4 SFP Ports |
| Memory | 256 MB |
| Rack Units | 1 RU |
| Interface Ports | 10/100/1000 |
| Port/Expansion Slot Details | 24 x 10/100/1000 PoE ports and 4 x 1G SFP uplink ports |
| Flash Memory | 32 MB |
| Switching Capacity | 56 Gbps |
| Switching Capacity With Stacking | 112 Gbps |
| Product Name | Cisco SG500-28P 28-Port PoE Managed Gigabit Switch |
| Height | 1.73 in |
| Width | 17.2 in |
| Depth | 10.6 in |
| Weight | 16.5 lbs |
SG500-28P Use Case
High-Density IP Surveillance Deployment in Corporate Campus
In a multi-building corporate campus, IT teams deploy Cisco SG500-28P 28-port Gigabit PoE Stackable Managed Switches in each wiring closet to power and aggregate 120+ IP security cameras. Leveraging switch stacking and link aggregation, they establish redundant uplinks and centralized PoE provisioning. Outcome: streamlined cable management, uninterrupted HD video streaming, and robust security operations under a single pane of glass.
Centralized VoIP & Unified Communications Rollout
A ten-floor financial services headquarters implements a VoIP solution by connecting 200+ Cisco SG500-28P 28-port Gigabit PoE switches—one per floor—to power IP phones and deploy VLAN-segmented voice and data networks. Advanced QoS policies and stackable management ensure voice traffic prioritization and fault tolerance. Outcome: crystal-clear call quality, rapid provisioning, and scalable voice infrastructure.
Campus Wireless Access Layer Aggregation and Power Delivery
A large university IT department consolidates 50+ wireless access points across academic buildings using Cisco SG500-28P 28-port Gigabit PoE Stackable Managed Switches in each network closet. With PoE delivery, VLAN segmentation for student, faculty, and guest networks, and stack resiliency, administrators maintain seamless roaming and performance. Outcome: high-density Wi-Fi coverage, simplified trunking, and centralized network visibility.
Quality Certifications
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Product Comparison Table
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| Depth | 11.1 inches | 11 inches | 11.3 inches | 11.3 inches | 10.6 in |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 64 MB | 64 MB | 64 MB | 32 MB |
| Form Factor | Rack-mount | Desktop / Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | 1.75 inches | 1.73 inches | 1.73 inches | 1.73 in |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| IOS | LAN Lite | LAN Lite | LAN Lite | LAN Lite | LAN Lite |
| Layer Supported | Layer 2 | Layer 2 | Layer 2 / Layer 3 | Layer 2 | Layer 2 / Layer 3 Lite |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | SF500-24P | SF500-24MP | SG500XG-8F8T | SG500-28 | SG500-28P |
| Media Type Supported | Twisted Pair | Twisted Pair / Combo | Combo | Combo | Twisted Pair / Fiber / Combo |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 24 Ports | 24 Ports | 8 Ports | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 12–24 Ports | 12–24 Ports | 12–24 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | POE+ | POE+ | Non POE | Non POE | POE+ |
| Port/Expansion Slot Details | 24 PoE ports, 4 SFP ports | 24 Ethernet ports, 4 SFP ports, stacking module support | N/A | 24 x 10/100/1000 ports, 4 x 1G SFP ports | 24 x 10/100/1000 PoE ports and 4 x 1G SFP uplink ports |
| Power Consumption | N/A | 150 W | N/A | N/A | N/A |
| Power Source | AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco SF500-24P Stackable Managed Switch | SF500-24MP Managed Switch | Cisco SG500XG-8F8T 10-Gigabit Managed Switch | Cisco SG500-28 | Cisco SG500-28P 28-Port PoE Managed Gigabit Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | Yes | No | No | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | Combo | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 32 Gbps | 56 Gbps | 320 Gbps | 56 Gbps | 56 Gbps |
| Switching Capacity with Stacking | N/A | 112 Gbps | 640 Gbps | 112 Gbps | 112 Gbps |
| Uplink Configuration | 1G | 1G | 10G | 1G | 1G |
| Weight | 11 lbs | 15 lbs | 10 lbs | 16.5 lbs | 16.5 lbs |
| Width | 17.2 inches | 17.5 inches | 17.3 inches | 17.3 inches | 17.2 in |
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Questions & Answers
Q
What is the Cisco SG500-28P 28-port Gigabit PoE Stackable Managed Switch?
A
The Cisco SG500-28P is a fully managed, stackable 28-port Gigabit Ethernet switch with integrated PoE+ (802.3af/at) support, designed to deliver enterprise-grade performance and simplified management for small to medium businesses.
Q
How many Ethernet ports does the SG500-28P offer?
A
The Cisco SG500-28P provides 24 Gigabit PoE+ ports plus 4 additional Gigabit Ethernet RJ-45 or SFP combo ports for flexible uplink or stacking connections.
Q
Which PoE standard is supported by the Cisco SG500-28P?
A
The SG500-28P supports both IEEE 802.3af and 802.3at standards, delivering up to 30W per port for powered devices such as IP cameras, phones, and wireless access points.
Q
What is the total PoE power budget of the SG500-28P?
A
The switch features a total PoE power budget of 375W, enabling simultaneous deployment of multiple high-power PoE devices without external injectors.
Q
Can I stack multiple Cisco SG500-28P switches?
A
Yes, you can stack up to four SG500-28P units using the integrated stacking ports, creating a single logical switch with up to 112 Gigabit ports and unified management.
Q
Does the SG500-28P support Layer 3 routing?
A
Yes, the Cisco SG500-28P delivers Layer 3 static routing and dynamic routing protocols (RIP v1/v2), enabling inter-VLAN routing and scalable network segmentation.
Q
What management interfaces are available on the SG500-28P?
A
The switch offers a web-based GUI, Cisco Network Assistant, CLI (SSH/telnet), SNMP v1/v2/v3, and RMON for comprehensive local and remote management.
Q
How do I configure VLANs on the Cisco SG500-28P?
A
You can create and manage up to 256 VLANs via the intuitive web GUI or CLI, assigning ports to access, trunk, or hybrid modes and defining VLAN membership with ease.
Q
What security features are included in the SG500-28P?
A
The switch provides 802.1X port-based authentication, DHCP snooping, dynamic ARP inspection, Access Control Lists (ACLs), and broadcast storm control to protect your network.
Q
What are the ideal use cases for the Cisco SG500-28P?
A
The SG500-28P is ideal for small to medium businesses, branch offices, and retail environments requiring high-density PoE+ deployments, VLAN segmentation, and simplified stacking.
Q
Does the SG500-28P support PoE scheduling?
A
Yes, PoE scheduling can be configured in the switch’s management interface to power on/off ports at defined times, optimizing energy consumption and budget.
Q
What warranty and support options are available?
A
Cisco offers a limited lifetime hardware warranty, online technical support, and access to firmware updates for the SG500 series to ensure long-term reliability.
Q
Can I remotely manage the Cisco SG500-28P?
A
Yes, remote management is available via HTTPS, SSH, SNMP, and Cisco Network Assistant, allowing you to monitor and configure the switch from any location.
Q
What is the typical power consumption of the SG500-28P?
A
At idle, the SG500-28P consumes approximately 30W (excluding PoE), and under full load with PoE devices, it can draw up to its 375W PoE budget plus switch overhead.
Q
What operating temperature range does the SG500-28P support?
A
The switch operates reliably in ambient temperatures from 0°C to 50°C (32°F to 122°F), making it suitable for most office and closet installations.
Q
What are the physical dimensions and weight of the SG500-28P?
A
The Cisco SG500-28P measures 44.5 cm × 26.5 cm × 4.4 cm (W×D×H) and weighs approximately 3.8 kg, fitting standard 1U rack mounts or desktop setups.
