China Telecom provides you with ADSL, ALN, WLAN and other broadband access schemes. You can choose between wired and wireless.
Network-wide service: broadband from the entrance to the exit of the network, so that your network can be wide to the end.
A variety of applications: video on demand, online securities, distance education, high-speed Internet access, virtual community, let you enjoy a wonderful digital life.
ADSL:
Brief introduction of ADSL
ADSL (Asymmetric Digital Subscriber Loop) is an access technology for broadband communication on ordinary telephone lines. Based on this technology, an ordinary telephone line will immediately become a highway leading to the network world by simply connecting access devices.
Unique advantages:
★ Fast transmission speed
ADSL can provide transmission bandwidth with mismatched uplink and downlink. The uplink rate can be up to 1Mbps, and the downlink rate can be up to 8Mbps, which is 200 times the transmission rate of ordinary telephone dial-up Internet access (56K modem). In other words, it takes 200 minutes to download a file from the Internet by ordinary dial-up Internet access, and only 1 minute by ADSL.
★ Exclusive bandwidth, safe and reliable.
ADSL uses China Telecom to penetrate into the telephone networks of thousands of households, forming a point-to-point star topology. The backbone network uses China Telecom's optical fiber transmission all over the country, and all nodes use ATM broadband switches to exchange information, enjoying exclusive bandwidth and fast and safe information transmission.
★ Quick and convenient installation
Install ADSL, directly use the existing telephone line, and install an ADSL MODERN at the user end, without changing or adding wires, and without damaging the room decoration.
★ Network calls do not interfere with each other.
ADSL data signal and telephone audio signal are modulated in their respective frequency bands based on the principle of frequency division multiplexing and do not interfere with each other. You can make or receive calls while surfing the Internet.
★ There is no need to pay the network fee (that is, the telephone fee) for surfing the Internet through ADSL.
Coverage:
More than 90% of the cities are covered. Please call the customer service hotline 10000 for details.
Lan:
Brief introduction of LAN
Local area network (LAN) is a high-speed access method, which uses Ethernet technology (FTTX+LAN) to connect to the Internet. It connects the optical fiber directly to the central computer room of the residential area and the building, and then connects it with the user's terminal through five types of cables, providing broadband data services such as high-speed internet access for the majority of users. At present, Ningbo Telecom LAN realizes gigabit to community, 100 megabytes to corridor and 100 megabytes to desktop. Among them, the exit bandwidth of the community reaches 1000M, which is the only realization in Ningbo.
Unique advantages:
★ High bandwidth:
The current Internet access rate of users is 10Mbps, which can be upgraded to 100Mbps or higher as required.
★ Reliable and stable network:
The corridor switch is connected with the cell center switch, the cell center switch and the local switch through optical fibers. The network has high stability and good reliability.
★ Less user investment and low price:
Users only need a PC with a network card to surf the Internet.
★ Simple installation:
Residential areas, buildings and office buildings use integrated wiring, and five types of network cables are connected to the client, plug and play.
★ Widely used:
High-speed Internet access, home office, telecommuting, distance education and medical treatment, online securities trading and consulting, VOD on demand, VPN and other services can be realized through LAN.
Coverage:
At present, the community that has been opened: home broadband
WLAN
Brief introduction of wireless LAN
WLAN wireless LAN is the latest wireless broadband access product of China Telecom. It allows customers to break through the space limitation and wirelessly surf the Internet in areas covered by signals such as parks, airports, cafes and hotel lobbies, so that customers can enjoy the happiness of the network anytime and anywhere.
Unique advantages:
★ Easy installation and maintenance:
There is no need for network cable wiring, just plug the wireless network card into the personal computer and install its equipped software.
★ High-speed broadband access:
It can provide the maximum bandwidth of 1 1Mbps, fully meet the needs of customers for broadband services, and is very suitable for broadband services such as high-speed Internet access and video services.
★ Highly safe and reliable:
Use the built-in security monitoring function and complex encryption technology to achieve higher network security.
★ Complete freedom of movement:
Continuous connection, mobile office, enjoy a series of broadband information value-added services such as online securities, video on demand (VOD), distance education, telemedicine, video conferencing and online games anytime and anywhere.
★ Green, environmental protection and health:
The maximum transmission power of base station and wireless network card is only 10- 100 MW, which has no radiation damage to human body.
★ Various access modes:
Users can choose wireless network cards suitable for their own use, such as PCMCIA interface network cards suitable for notebook computers, USB or PC interface network cards suitable for desktop computers, and CF and SM interface network cards suitable for PDA with Internet access function.
Business types and their characteristics
China Telecom's Tianyitong service can be divided into four types: dial-up service in home area/public area, dial-up service in enterprise area/public area, exhibition service and dial-up service in public area.
★ Local dial-up service
1. The telecom company installs Tianyitong broadband access equipment in the user's home area, and the telecom company owns the ownership and operation right of Tianyitong wireless broadband access equipment.
2. Through the Tianyitong dial-up account, the user can dial-up the Internet wirelessly in the user's home area, dial-up the Internet through ordinary broadband access equipment in the home area, and dial-up the Internet in the public area where the telecom Tianyitong broadband access equipment is installed.
3. Users need to apply for a new dial-up account of Tianyitong and pay the basic monthly usage fee of Tianyitong.
★ Dial-up service in enterprise area
1. The telecom company installs Tianyitong broadband access equipment in the user enterprise area, and the telecom company owns the ownership and operation right of Tianyitong wireless broadband access equipment.
2. Users can dial-up the Internet wirelessly through Tianyitong broadband access equipment in the user's enterprise area, dial-up the Internet through ordinary broadband access equipment in the enterprise area, or dial-up the Internet in public areas equipped with telecommunications Tianyitong broadband access equipment.
3. Users need to apply for a new dial-up account and pay the basic usage fee of Tianyi Tongyue.
★ Exhibition business
1. The telecommunications department directly installs Tianyitong broadband access equipment in the exhibition venue area, and provides Tianyitong Internet access services (including dial-up and private network access, etc.). ) For exhibitors.
2. The telecommunication department and the exhibition organizer will provide Tianyi Internet service for the exhibitors.
★ Dial-up service in public areas *
1. Users dial-up the Internet in the public * * * area where TELECOM TELECOM broadband access equipment is installed.
2. Users can apply for a new Tianyitong dial-up account to dial up the Internet, and pay the basic usage fee of Tianyitong every month; Users can also dial up the Internet through ordinary broadband dial-up accounts, without paying the basic usage fee of Tianyi Tongyue.
Acceptance of home broadband service
Business hall handling: customers can handle business in the local telecom business hall;
Telephone appointment registration: customers can also directly dial "638 15493" for telephone appointment registration, and the telecom service personnel will accept and install it at home.
Tianyitong Internet Access: Customers only need to buy their own wireless network card and plug it into the computer (they need to buy an online account card for authentication), so they can use Tianyitong service in the coverage area of Tianyitong network.