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TD-8840

ADSL2+ Modem Router User Guide

Figure 4-12

¾Obtain an IP address automatically: Check this radio button to obtain the IP address automatically. This is not recommended by default.

¾Use the following IP address: This radio button is checked by default. Enter the information provided by your ISP to configure the WAN IP settings.

¾Obtain default gateway automatically: This radio button is checked by default. It’s recommended that you keep the default settings to allow the Router to obtain the default gateway automatically.

¾Use the following default gateway: Check this radio button then you can enter the IP address and the WAN interface for the default gateway. This is not recommended by default.

¾Obtain DNS server addresses automatically: This radio button is checked by default. It’s recommended that you keep the default settings to allow the Router to obtain the default DNS server addresses automatically.

¾Use the following DNS server addresses: Check this radio button then you can enter the primary DNS server and secondary DNS server. This is not recommended by default.

)Note:

1.DHCP can be enabled for PVC in MER mode as WAN interface if "Obtain an IP address automatically" is chosen.

2.Changing the default gateway or the DNS will affect the whole system. Configuring them with static values will disable the automatic assignment from DHCP or other WAN connection.

3.If you configure static default gateway over this PVC in MER mode, you must enter the IP

address of the remote gateway in the "Use IP address". The "Use WAN interface" is optional. 28

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TP-Link TD-8840 manual ADSL2+ Modem Router User Guide

TD-8840 specifications

The TP-Link TD-8840 is a versatile ADSL modem/router that has been designed for home and small office use. Known for its robust performance and ease of use, this device combines the functionality of a modem and a router, offering users a cost-effective solution for high-speed internet access.

One of the main features of the TD-8840 is its ADSL2+ support, which enables internet speeds of up to 24 Mbps downstream and 1 Mbps upstream. This capability allows users to enjoy seamless browsing, streaming, and online gaming experiences. The modem is compatible with various ADSL standards, making it a flexible choice for different ISP offerings.

In terms of connectivity, the TD-8840 comes equipped with four Ethernet ports, allowing users to connect multiple devices directly through wired connections. This is particularly beneficial for businesses or households with several computers and devices, ensuring stable and high-speed internet access for all. Additionally, it offers a USB port for connecting to storage devices, facilitating easy file sharing and access across the network.

Security is another paramount feature of the TD-8840. The device supports various encryption protocols, including WPA and WPA2, providing a secure wireless environment for users. Moreover, it includes a built-in firewall that protects the network from external threats, ensuring that users can browse the internet safely.

Setting up the TP-Link TD-8840 is straightforward, thanks to the intuitive web UI. The installation process is guided, allowing users to get online quickly without needing extensive technical knowledge. The modem also offers features such as DHCP server, NAT, and IP QoS, further enhancing its functionality.

Compatibility is another strength of the TD-8840, as it works with a wide range of ISPs, making it a popular choice for many users. The device's compact design and robust build quality ensure durability, making it a reliable investment for long-term use.

In conclusion, the TP-Link TD-8840 is an excellent modem/router choice for those seeking a reliable, high-speed internet connection. With its ADSL2+ support, multiple Ethernet ports, and strong security features, it meets the demands of modern households and small businesses. Its ease of setup and wide compatibility with ISPs further enhance its appeal, making it a noteworthy option in the crowded networking market.