✅ USED PRODUCT - TESTED and FUNCTIONAL ✅

⚠️ Important information: We do not provide technical support for network configuration. This product requires knowledge in network administration for its configuration and deployment. For any technical questions, please refer to the official HP documentation or consult a qualified network administrator.

🔍 Is this HP ProCurve switch suitable for a small business with 20 employees?

Absolutely! The HP 2520G-24-PoE is specifically designed for SMEs and small businesses. With its 24 Gigabit ports, it can simultaneously connect desktop computers, network printers, servers, WiFi access points, and IP phones. The PoE function allows for direct powering of compatible devices (IP phones, surveillance cameras, WiFi access points) without requiring additional electrical outlets, greatly simplifying installation and reducing cabling costs.

🔐 How do I manage and configure this network switch?

The HP ProCurve 2520G offers three comprehensive management methods: a graphical web interface (GUI) accessible via browser for intuitive configuration, command line interface (CLI) via serial console port or SSH/Telnet for experienced administrators, and SNMP protocol for integration with professional network monitoring software like HP Network Management Center or other third-party solutions. The web interface is particularly suitable for beginners while the CLI offers advanced control for experts.

⚡ What is the available PoE power and how many devices can I power?

This switch has a total PoE budget of 195 watts according to the IEEE 802.3af standard, allowing it to provide up to 15.4 watts per port. Specifically, you can power approximately 12 to 13 standard IP phones (consuming 6-8W each) or 8 to 10 IP surveillance cameras (10-15W each) simultaneously, or a combination of different devices. All 24 ports support PoE, offering maximum flexibility to position your equipment according to your needs without electrical proximity constraints.

🌐 Can I create separate networks (VLANs) for different services?

Yes, absolutely! The switch supports up to 256 VLANs simultaneously according to the IEEE 802.1Q standard, allowing you to segment your network into isolated zones to enhance security and performance. For example, you can create a dedicated VLAN for IP telephony, another for computer workstations, a third for WiFi guests, and a fourth for servers. This segmentation improves security by isolating sensitive traffic and optimizes bandwidth by reducing broadcast domains.

🔄 Do the dual-personality ports work with fiber optic SFP modules?

Yes! The 4 dual-personality ports can operate either in standard Gigabit RJ-45 copper mode or accommodate SFP (Small Form-Factor Pluggable) modules for fiber optic connection. This allows for long-distance links to another building, a data center, or a remote network cabinet up to several kilometers depending on the type of SFP module used (SX multimode short distance, LX single-mode long distance, or BX bidirectional). Note: SFP modules are not included and must be revision B or later for optimal compatibility.

📞 Is this switch suitable for an IP telephony system with 20 stations?

Perfectly suited! The HP 2520G-24-PoE is ideal for professional VoIP telephony. It includes specific VoIP features: LLDP-MED for automatic phone configuration, dedicated Voice VLAN to isolate voice traffic, Quality of Service (QoS) with 802.1p prioritization ensuring optimal audio quality without interruptions, and enough PoE ports to power up to 24 IP phones simultaneously. The switching capacity of 20 Gbps ensures perfect fluidity even with 20 simultaneous calls plus standard data traffic.

🔧 Is the 19-inch rack installation included?

Yes, the 19-inch rack mount bracket is included with this used switch. The standard 1U (rack unit) format allows for easy integration into any professional patch panel. The compact dimensions (44.3 cm wide) exactly match network rack standards. The switch can also be installed horizontally on a flat surface (desk, shelf) or mounted on the wall if necessary. The weight of 3.22 kg remains reasonable for easy handling during installation.

🌡️ Is the switch noisy during operation?

The HP 2520G-24-PoE features an intelligent variable speed ventilation system that automatically adjusts the fan speed according to the temperature and load of the switch. The measured noise level is 27.9 dB during normal operation, which is relatively quiet and comparable to the ambient noise of a quiet office. When the network and PoE load is low, the fans run at a slow speed, further reducing noise. This system also optimizes energy consumption while maintaining a stable operating temperature.