D-Link DGS-3620-28TC-SI 20x Port 4x Port Combo SFP 4x Port SFP+ Switch

Description

The DGS-3620 Series Layer 3+ Gigabit switches deliver performance, flexibility, security, IPv6 routing, multi-layer QoS and access control, along with redundant power solutions for SMBs and enterprises. These switches offer high Gigabit port density, Gigabit SFP and 10-Gigabit SFP+ support, physical and virtual stacking. Features - 24 Gigabit ports, 4 SFP Combo ports and Four 10Gigabit SFP+ ports; - IPv4/IPv6 Routing, up to 12K routes; - Physical stacking up to 12 units, virtual up to 32; - Web-based GUI for easy management; - Comprehensive security features, including Microsoft NAP; - Green technology – Power-saving mode, Smart Fans; - Limited Lifetime Warranty; - Advance Warranty Replacement (24 Hour Cross-shipment). Description The xStack DGS-3620 Series includes five gigabit managed switches with a choice of 24 or 48 port 10/100/1000Base-T models, 24 SFP port model, and PoE+ model options. The DGS-3620-28TC comes with four combo SFP slots and four 10-Gigabit SFP+ slots. The DGS-3620-28SC is the fibre version equipped with four combo 10/100/1000 Base-T ports and four10-Gigabit SFP+ slots. The DGS-3620-52T has four 10-Gigabit SFP+ slots and two optional 10-Gigabit uplinks. The DGS-3620-28PC and DGS-3620-52P also include PoE (802.3af) and PoE+ (802.3at) that provides up to 30W to power devices such as IP phones, Access Points, or security cameras. The xStack DGS-3620 Series is equipped with robust features that fulfil the most demanding network’s needs for voice and video streaming. Stackable up to 12 units under a single IP, the switches are able to provide a total of up to 576Gbps aggregated bandwidth fixed-in. To help secure your network, the D-Link Safeguard Engine™ helps prevent Denial-of-Service (DoS) attacks while the Access Control List (ACL) enhances network security. The DGS-3620 Series is equipped with industry standard management features including easy-to-use CLI and web-based administrator interfaces. D-Link provides these features on a scalable platform, increasing your company’s productivity while protecting your investment. IPv6 and IPv4 Routing The xStack DGS-3620 Series provides current IPv4 networks with a simple migration path to IPv6 and protects your investment for future network upgrades when greater security and larger addressing are required. Basic static routing such as RIP and RIPv2 are supported for small network routing applications. Advanced routing protocols such as OSPF and equal cost routing are supported for load balancing and building a scalable network. Stackable Up to 12 Units Each switch in the xStack DGS-3620 Series has four optional SFP+ Ports to install compatible modules for stacking provide up to 40Gbps data stacking backplane while in full-duplex mode. This enhances your overall network performance for switches transmitting large files such as graphics or pictures. Under stacking mode, the switches are hot-swappable. This means that in a stack configuration, any of the switches can be replaced or removed without affecting the network. There is no need to reconfigure a replacement switch; just give the new switch the same stack number ID as the old switch and the network will carry the same configuration as before. This minimizes network downtime and maximizes the productivity of your business. Also, to facilitate network administration, cross stack port mirroring and link aggregation are supported. The D-Link Safeguard Engine and Security The DGS-3620 Series incorporates advanced mechanisms to detect an attack against the central processing unit of the switch and to take corrective action on the attacking interface. When a DoS attack is waged against any of the DGS-3620 switches, the D-Link Safeguard Engine detects the threat and prevents overload of the CPU, thus ensuring network integrity and helping to maintain open network bandwidth channels. In addition, the xStack DGS-3620 Series offers a variety of authentication methods, including those without the requirement of a RADIUS server. It supports MAC-based Access Control, which authenticates the user based on the MAC address of the client so that authentication is transparent to the client. It also supports Web-based Access Control, which prompts for username and password before allowing access to TCP traffic. Lastly, the xStack Series supports Network Access Protection (NAP). This feature works in conjunction with Microsoft® software platforms such as Windows Vista® to reinforce network health and security policies including policy validation, network restriction, remediation, and ongoing compliance. Voice and Video Applications For today’s businesses, having voice, data, and video on the same network is common practice. This challenge is met by the xStack DGS-3620 Series, which supports 802.1p with eight queues. The administrator can designate traffic priority based on a variety of means including IP and MAC address, so that voice data is clear and jitter-free. Video traffic can also be assigned with the same priority. In addition, the xStack DGS-3620 Series provides IGMP Snooping, which allows the forwarding of multicast packets such as streaming audio and video without increasing network broadcast congestion. By snooping IGMP registration information within a frame, a list of workstations that have joined the multicast group is created. This list then allows the switch to intelligently forward packets to only the appropriate member workstations. For IPv6 traffic, the xStack DGS-3600 Series supports MLD snooping. Multicast routing is supported under independent multicast protocol, including PIM-SM, PIM-DM, and PIM-SDM (Sparse Dense Mode). DVMRP is also supported to interconnect two multicast-enabled networks across non-multicast networks. In conjunction with support for 802.1Q VLANs, Quality of Service (QoS) and security can be achieved on a network infused with data traffic. Ease of Management The xStack DGS-3620 Series supports SNMP v1/2c/3 so traps can be set on abnormal events and information can be polled to maximize network productivity. Other standard management features also supported include RMON and IEEE 802.1D Spanning Tree. User interfaces include an intuitive Web-based GUI or standard CLI, either of which can be protected through SSL or SSH encryption. D-Link Green Technology D-Link is striving to take the lead in developing innovative and power-saving technology that does not sacrifice operational performance or functionality. The DGS-3620 Series implements the D-Link Green Technology, which includes a power saving mode, smart fan, reduced heat dissipation, and cable length detection. The power saving feature automatically powers down ports that have no active link. The Smart Fan feature allows for the built-in fans to automatically turn on at a certain temperature, providing continuous, reliable and eco-friendly operation of the switch.

Condition: Refurbished