Hotspot is a location where users can access via a mobile computer (such as a laptop or a PDA) without connection cables mengguakan with a jarigan goals such as the Internet. The wireless network uses radio frequencies to make communication between the computer device with the access point is basically a two-way recipient who works at a frequency of 2.4 GHz (802.11b, 802.11g) and 5.4 GHz (802.11a)

In general, equipment standardization wifi hotspot using IEEE 802.11b or IEEE 802.11g with some level of security such as WEP and / or WPA. The device has a lot of laptops equipped with adapter IEEE 802.11b or IEEE 802.11g. Akan but can also use wireless devices in the form of a PCMCIA or USB.

Pens hotspot areas in the building at this time is D3, and D4 building space management Pens.

ADSL modem or DSL modem is a device used to connect a computer or router to the phone line, to use the ADSL service. Like other types of modem, ADSL modem is a transceiver. DSL is also called a transceiver or atu-R. Singkata NTBBA (Network Termination Broad Band Adapter, Network Termination Broad Band Acces) is also often found in some countries.

Some ADSL modems also manage and share the connection from the ADSL service with several computers. In this case, the ADSL modem to function as a DSL router or residential gateway. Block in the DSL router there is a duty, in the process of framing, while the other blocks perform Asynchronous Transfer Mode Segmentation and Reassembly, IEEE 802.1D bridging and IP routing. A common interface found on the ADSL modem is USB and Ethernet. Although the ADSL modem work in bridge mode and do not need a public IP address, ADSL modem with fixed IP address for management functions such as the IP address 192.168.1.1.

source:
wikipedia