D-Link DES-3052P

48-port Layer2 Managed PoE Switch, with 2 Combo 1000Base-T/SFP Ports and 2 1000Base-T Ports
The DES-3052P is part of D-Link’s family of premium devices in the entry-level network management category. With Power over Ethernet (PoE) support, 4 Gigabit uplinks, comprehensive network security, granular bandwidth control and extensive network management, this switch is rich in functions allowing organisations set up secure and effective departmental networks at an affordable cost.

High port density & Power over Ethernet (PoE) support
The DES-3052P provides 48 Ethernet ports and is equipped with 4 Gigabit uplinks, with the SFP supporting both fibre Gigabit and 100Base-FX fibre connection for specific applications.

802.3af PoE is integrated into every switch port. Hence any 802.3af compliant device can be powered by the switch via the standard Ethernet cables, to a maximum of 15.4W per device and 370 W for the switch.

Security, resilience & availability
The DES-3052P includes many security features including Access Control Lists (ACLs), 802.1X Port-Based/MAC-Based Access Control and 802.1X Guest VLAN so that network access is available only to authorised users.

To enhance network resilience, the switch supports Spanning Tree protocols, including 802.1D, 802.1w and 802.1s for redundant bridge paths. In addition, a unique feature, D-Link Safeguard Engine™, allows administrators to configure thresholds that limit the impact of packet flooding to the switch’s CPU typically caused by virus/worm outbreaks. This increases the switch's reliability and availability.

Traffic monitoring/Bandwidth control with high speed links
Network administrators can define throughput levels for each port to manage bandwidth. Fine granularity down to 64 Kbps can be achieved. For Quality of Service (QoS), the switch supports 802.1p Priority Queues and packet classification based on ToS, DSCP, MAC, IP, VLAN ID and protocol type, to ensure that critical network services like VoIP, ERP, Intranet and video conference are prioritised.

The switch also provides IGMP snooping to control multicast transmission and port mirroring to facilitate diagnostics. In addition, 802.3ad Link Aggregation allows high-speed links to be created between switches or to servers.

Management
The DES-3052P supports D-Link’s Single IP Management (SIM), which simplifies and speeds up management tasks by allowing multiple switches to be configured, monitored and maintained from any workstation running a web browser. Up to 32 switch units -regardless of the model- can form this virtual stack, which is managed as a single object identified by a single IP address. Most management and configuration tasks are performed via a simple web-based interface.

Other management protocols include standard-based SNMP, RMON, Telnet, Web GUI, SSH/SSL security authentication and DHCP Relay Option 82. With DHCP autoconfiguration, the administrator can pre-set configurations and save them in a TFTP server. Individual switches can then boot their IP from the server and load in the pre-set configurations.

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