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The DMS-1250 Series is D-Link's newest family of Multi-Gigabit Ethernet smart switches. It provides multi-Gigabit connectivity, Power over Ethernet (PoE) capability, multiple management interfaces and advanced layer 2 features. The DMS-1250 Series provides a high-performace solution to expand your network and adapts to your business needs. Multi-G Speeds for Wi-Fi 6 Networks The DMS-1250 Series provides full 2.5 Gbps Ethernet ports to significantly upgrade network performance with increased bandwidth suitable for Wi-Fi 6 applications such as high-speed streaming environments. It also provides additional 10 Gbps Ethernet ports and SFP+ ports for high-speed uplink connections and increase overall efficiency of data network. PoE+ Availability on All Ports The DMS-1250 Series includes 8-port, 16-port, and 24-port PoE models. All models support the 802.3at standard, while the 18-port and 24-port models also support 802.3bt, providing a higher power budget of up to 475W to power devices such as video phones, cameras, and Wi-Fi APs to fulfill a wide range of business needs. PoE models also support innovative PoE functions such as Perpetual PoE, which delivers uninterrupted power to connected powered devices (PD) even when the power sourcing equipment (PSE) switch is booting. Fast PoE enables the switch to supply power to connected endpoint devices in a relatively short time without waiting for the operating system to boot up. Additionally, an extended Link Layer Discovery Protocol (LLDP) automatically negotiates and manages the power feed to IEEE 802.3at PoE+ and 802.3bt PoE++ powered devices for optimal power distribution. Enhance Your Network Security The D-Link's innovative Safeguard Engine™ helps protect the switches against traffic flooding caused by malicious attacks. 802.1X port-based and host-based authentication allows clients to be authenticated through external RADIUS servers and can provide a more secure network connection. The Access Control List (ACL) feature can help enhance network security and better control access between internal networks. The DHCP server screening feature can filter DHCP replies on unauthorized ports to prevent them from being assigned an IP address, which provides an additional security mechanism. Intelligent Fan Operation The DMS-1250-10SP, DMS-1250-12, DMS-1250-12TP, DMS-1250-18P, DMS-1250-28, and DMS-1250-28P models have built-in internal fans which can automatically start working to prevent the device from overheating. The fan speed will be gradually adjusted between 5 levels of cooling according to the operating temperature of the switch. Administrators can also configure the operation state of internal fans through Web UI or command line interface (CLI). The switch fans can be manually set to Fan Off mode or Quiet mode if the ambient temperature or PoE load do not exceed the critical level. Versatile Management Tools The DMS-1250 Series supports various management tools to adapt to users' different needs. D-Link Nuclias Connect (DNC) can discover multiple D-Link devices and allow you to manage and configure the settings of the discovered devices. The DMS-1250 Series can also be managed by D-View 8, a central network management system. Full command line interface (CLI) is supported and IT personnel can directly configure the device through the console port or via Telnet. SNMP allows for the central management of network assets, remote configuration, and logging functions. | 
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