GIGA-LINK R-GB2421A 24 Port PoE Switch
- 24 PoE ports with Gigabit & SFP uplinks
- High-capacity 320W built-in power supply
- AI Watchdog auto-recovery protection
- AI Extended Mode for long-distance PoE
- Advanced electrical and lightning protection
Description
The GIGA-LINK R-GB2421A 24 Port PoE Switch is a high-capacity networking solution designed for large-scale CCTV systems, enterprise infrastructures, and ISP-grade installations. Built for stable power delivery and intelligent data transmission, this switch ensures reliable, uninterrupted performance for IP cameras, wireless access points, and other PoE-enabled devices operating in demanding environments.
The R-GB2421A features 24× 10/100Mbps PoE ports, 2× Gigabit uplink ports, and 2× SFP ports, providing flexible copper and fiber connectivity options. The dedicated Gigabit uplinks ensure smooth backbone connectivity, while SFP ports allow for extended fiber expansion across longer distances. Powered by a robust 320W built-in power supply, the switch easily supports high-density PoE deployments without performance drops.
Equipped with AI Watchdog Protection, the switch automatically detects and restarts unresponsive PoE devices, significantly reducing downtime and maintenance costs. Its AI Extended Mode supports long-distance transmission for surveillance installations, making it ideal for warehouses, campuses, and outdoor monitoring systems. For enhanced durability, the device includes short-circuit protection and 4KV lightning protection, ensuring stable operation even in harsh electrical conditions.
Designed for continuous 24/7 operation, the R-GB2421A offers reliability and efficiency for professional networking projects. For users requiring Full Gigabit PoE performance across all ports, the RR-GQ2421B Full Gigabit Cloud-Managed PoE Switch serves as a comparable alternative within the Gigalink portfolio, offering advanced speed and cloud-based management features.
GIGA-LINK R-GB2421A Specifications
| Product | Specifications |
|---|---|
| Model | R-GB2421A |
| PoE Ports | 24 × 10/100Mbps PoE |
| Uplink Ports | 2 × Gigabit |
| SFP Port | 2 × SFP |
| Total PoE Power | 320W |
| Protection | AI Watchdog, Short Circuit |
| Lightning Protection | 4KV |
| Extended Mode | AI Extended Mode |
| Power Input | AC 100V–240V |






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