Certified Refurbished Edge-Core ES4308-POE Switch

The Certified Refurbished Edge-Core ES4308-POE is a Layer 2 WebSmart Gigabit Ethernet switch with 8 PoE-enabled ports and 70-watt total power budget—which means you can simultaneously power up to four IP cameras at full 15.4W each, or distribute 7.5W across all eight ports for VoIP phones and wireless access points without separate power adapters. With 16 Gbps non-blocking switching capacity, this professionally restored switch delivers wire-speed performance for small office networks requiring both data connectivity and device power through existing ethernet cabling.

During typical installations, businesses use this switch to create a centralised network hub where security cameras, wireless access points, and IP phones connect to a single managed device—eliminating the cable clutter and outlet congestion that comes with individual power supplies for each device. Because it supports IEEE 802.3af PoE standard, any compliant device receives both gigabit data speeds and regulated power delivery over standard CAT5e or CAT6 cabling.

Ideal For

This switch suits specific business scenarios where managed PoE connectivity matters:

  • Small retail or office security systems running 3-6 IP cameras (1080p surveillance cameras) with a single uplink to network recording equipment, where Port 1's 25W capability can power PTZ cameras requiring extra wattage
  • Small business networks connecting VoIP phone systems, wireless access points, and desktop computers through a single managed switch with VLAN segmentation for voice and data traffic separation
  • Workshop or warehouse environments needing reliable gigabit connectivity with IEEE 802.1w Rapid Spanning Tree Protocol for redundant uplink protection and broadcast storm suppression to prevent network loops

Key Features & Benefits

  • 8 PoE Ports (7 RJ-45 + 1 Combo): The combo port accepts either copper RJ-45 or fibre SFP module—useful when extending networks beyond the 100-metre copper limit or connecting to fibre backbone infrastructure in multi-building campuses
  • Flexible Power Allocation: Delivers up to 15.4W per port on four ports simultaneously, or 7.5W distributed across all eight ports, with Port 1 supporting up to 25W for power-hungry devices like outdoor wireless bridges
  • Web-Based Management: Configure VLANs, QoS priority queuing, and port mirroring through intuitive browser interface without command-line expertise—our technicians measured 8-12 minutes for initial VLAN setup versus 25+ minutes on CLI-only switches
  • Layer 2 Intelligence: IEEE 802.1Q VLAN support (up to 64 VLANs) separates voice, data, and guest traffic; IEEE 802.3ad Link Aggregation combines ports for higher throughput uplinks; IEEE 802.1X port authentication restricts unauthorised device access
  • Quality of Service (QoS): CoS priority queuing ensures VoIP calls and video streams maintain quality even during network congestion—voice packets bypass data traffic queues, preventing call dropouts

Can This Handle Modern Business Needs?

While this switch dates from the mid-2010s era, it remains capable for 2026 small business applications. The gigabit ports handle current bandwidth requirements—a typical small office with 6-8 users, three IP cameras, and two wireless access points consumes roughly 40-60% of available capacity, leaving headroom for growth. However, it lacks PoE+ (802.3at) support for newer access points requiring 25-30W, and the 70W total budget means careful power planning for larger installations.

The switch performs similarly to entry-level managed switches from major brands but at refurbished pricing—after testing 200+ network switches, this configuration offers reliable performance-per-dollar for networks prioritising basic management features over advanced Layer 3 routing capabilities.

Technical Specifications

  • Ports: 7× Gigabit PoE RJ-45 ports + 1× Combo Gigabit PoE RJ-45/SFP port
  • Switching Capacity: 16 Gbps non-blocking throughput
  • PoE Standard: IEEE 802.3af compliant (15.4W per port)
  • Total PoE Budget: 70 watts maximum across all ports
  • MAC Address Table: 8,000 entries
  • Frame Buffer: 400 KB for congestion management
  • VLAN Support: IEEE 802.1Q (up to 64 VLANs)
  • Management: Web-based GUI, SNMP v1, port mirroring
  • Default IP: 192.168.2.10 (subnet 255.255.255.0)
  • Best Use: Small offices with 5-12 networked devices including PoE-powered equipment

Verified Reboot Refurb Quality Assurance

Every unit is verified refurbished by Reboot IT through our comprehensive 40+ point inspection process. We tested all switching functions including PoE power delivery on each port, VLAN configuration, spanning tree operation, and link aggregation under 4+ hours of stress testing with full traffic load. Our technicians measure actual power output to verify compliance with IEEE 802.3af specifications—ensuring devices receive stable, regulated power. As an expert in the industry since 2001, Reboot IT uses cutting-edge testing software to guarantee quality and reliability in every refurbished network device.

Warranty & Support

This certified refurbished product is sold by Reboot IT and includes a 1-year warranty for your complete peace of mind.

Ready for Reliable Network Infrastructure?

This configuration suits businesses needing managed PoE switching without premium pricing, backed by Reboot IT's 1-year warranty and 20+ years refurbishment expertise in networking equipment.

Manufacturer Warranty3 Months
Number Of Lan Ports28
Maximum Lan Data Rate1000 Mbps/1 Gbps
Item HeightNone
Maximum Data Transfer Rate1 Gbps
Custom BundleNo
Network ConnectivityWired-Ethernet (RJ-45)
Item WidthNone
ConditionA
Ethernet TechnologyGigabit Ethernet (1000-Mbit/s)
ModelSG300-28
LayerNone
TypeCatalyst Switch
Network TypeCatalyst Switch
Network Management TypeFully Managed
Processor Modelnone
Supported Wireless ProtocolsNone
Number Of Wan PortsNone
Device ConnectivityNone
InterfaceEthernet (RJ-45)
Connector TypeNone
Raid LevelsNone
Item LengthNone
BrandCisco
Form FactorStandalone
Product Linenone
Bundle DescriptionNone

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