Networking and Security Basics

An Introduction to LANs

Networking and Security Basics

An Introduction to LANs

A Router is a network device that connects multiple networks together and forward traffic based on IP destination of each packet.

The Wireless-N Gigabit Security Router can connect your local area network (LAN) or a group of PCs interconnected in your home or office to the Internet. You can use one public IP address from the ISP through WAN port and use the router’s Network Address Translation (NAT) technology to share this single IP address among all the users.

The Router’s Network Address Port Translation (NAPT or NAT) technology protects your network of PCs so users on the Internet cannot “see” your PCs. This is how your LAN remains private. The Router protects your network by inspecting the first packet coming in through the Internet port before delivery to the final destination on one of the Ethernet ports. The Router inspects Internet port services like the web server, ftp server, or other Internet applications, and, if allowed, it will forward the packet to the appropriate PC on the LAN side.

Multiple Wireless-N Gigabit Security Routers can also be used to connect multiple LANs together. This usually applies to a medium-sized or larger company where you want to divide your network into multiple IP subnets to increase the intranet throughput and reduce the size of the IP broadcast domain and its interference. In this case, you need one WRVS4400Nv2 for each subnetwork and you can connect all the WAN ports to a second level Router or switch to the Internet. Note that the second level Router only forwards data packets through a wired network so you don’t have to use the Wireless-N Gigabit Security Router. You can use any wired router in the Linksys family, e.g. RVS4000, which has 4 LAN ports and 1 WAN port.

The following diagram shows an example that consists of two levels of routers and multiple LANs inter-connected together. The wireless network is only available at the first level of router to provide end user connections. The second level router can connect to dedicated Server PCs or routers that aggregates traffic from different LANs.

WRVS4400N User Guide

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DeWalt WRVS4400N manual Networking and Security Basics, An Introduction to LANs
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WRVS4400N specifications

The DeWalt WRVS4400N is a versatile and powerful portable generator designed to meet the demands of both professionals and DIY enthusiasts. With its robust design and advanced technology, it offers reliable power solutions for a variety of applications, including construction sites, outdoor events, and emergency power backup.

One of the standout features of the WRVS4400N is its impressive output capacity. Equipped with a powerful 4400-watt surge and 3500-watt running power, this generator can easily handle heavy appliances and tools. This makes it an ideal choice for contractors who require dependable power on job sites or for homeowners seeking a reliable backup during power outages.

The generator is powered by a reliable 223cc engine, designed for efficiency and longevity. Its fuel tank has a capacity of 4 gallons, providing extended run times of up to 14 hours at a 25% load, ensuring that you have enough power to get through even the most demanding tasks without frequent refueling.

DeWalt's innovative technologies enhance the performance of the WRVS4400N. The generator features an automatic voltage regulation system that ensures a stable output voltage, protecting sensitive electronics from damage. Additionally, it is equipped with a low-oil shutdown feature, automatically turning off the engine to prevent damage when oil levels are too low, further contributing to the longevity of the unit.

Mobility is another key aspect of the WRVS4400N. The generator is designed with a sturdy, compact frame and comes with never-flat wheels, making it easy to transport over various terrains. Its integrated handle allows for easy lifting and maneuvering, ideal for both at-home use and on-the-go applications.

Safety features are also central to its design. The WRVS4400N is equipped with multiple GFCI-protected outlets, ensuring safety when powering tools and appliances. The unit runs relatively quietly, allowing for use in residential areas without causing significant disturbances.

Overall, the DeWalt WRVS4400N is a powerful, efficient, and user-friendly portable generator. Its combination of robust features, innovative technologies, and superior safety mechanisms make it an excellent choice for anyone in need of reliable power in various situations. Whether for work or play, the WRVS4400N delivers performance you can count on.
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