Shenyang broadband company to introduce you to the basics of broadband networks: the traditional phone line system using a low-frequency part of the copper (4kHz about the band). The ADSL using DMT (Discrete Multi-Tone) technology Peng Bo broadband telephone installation, the original telephone line okHz to 1.1MHz frequency bandwidth is divided into 256 sub-bands 4.3khz of. Which, 4khz following bands were used to transfer POTS (plain old telephone service), 20KhZ to 138KhZ band used to transmit uplink signal, 138KhZ to 1.1MHZ band used to transmit the downlink signal. DMT technology can be adjusted according to the situation in the line by the number of bits modulated on each channel, in order to fully utilize the line. In general, the sub-channel signal to noise ratio the greater the more the number of bits in the channel modulation broadband Peng Bo, if a sub-hungry broadband SNR is poor customer service phone Peng Bo, then abandoned. Currently, ADSL can reach up 640kbps, downlink data transfer rate of 8Mbps. Can be seen by the above, for the original telephone signals, still using the original frequency band Shenyang Pengbo broadband price, and based on ADSL services, accidental use of a voice band. Therefore, the original telephone services are not affected. Broadband basic trend everywhere with "electricity" broadband there is a demand, there are incentives, there are adequate resources, then how competition in the broadband market? The current competition in the broadband market showed the following characteristics: "Radio has content", "Telecom has channels", "electricity supplier has the momentum." From the home of the time, the radio and television can be described as the lead, the first to enter the community through television access, into the family, but also has the advantage of broadcasting television content, coupled with the "triple play" promotion, the attractiveness of broadband broadcasting increasingly enhanced. Traditional telecommunications companies have a network channel resources, and has been operating for many years, with more mature sales channels and sufficient network resources, currently have an advantage in broadband stock. Electricity providers herein includes two aspects, namely TV providers and Internet companies. TV manufacturers made the transition from a dedicated television development, to be along the industry chain development, seize the broadband entrance. The Internet companies hope through the "Internet +" way to make a difference in the broadband market. Peng Bo Broadband Service | Peng Bo Broadband | Feng and IT centers by the Shenyang City HSBC and IT center. Shenyang abundance and Information Technology Center (www.4000010001.com) (www.tz1288.com) strong, credible, in Shenyang, Liaoning province, such as e-commerce industry has accumulated a large number of loyal customers. The company better work attitude and continuous improvement and innovative ideas will lead HSBC IT center and you hand in hand into the brilliant, for a better future!