Chapter 696: Wealth Transforms People

Check back in 10 minutes. .SUIMENG. lā

...

"It's about personal interests, and there is no choice but to resort to rough methods." Tang Huan shrugged needlessly, "The scale of Pacific Telecom's analog public telephone network in the western United States even exceeds that of a small country in Western Europe. It’s easy to give up anytime.”

Before AT&T was dismantled, it didn’t just rely on monopoly profiteering. The telephone network it built across the United States was the super giant’s pride, proving to the federal government its commitment to the telecommunications industry. The biggest capital in which the advantages of monopoly outweigh the disadvantages.

From a famous advertisement at the beginning, we can also see how perfect the quality of the network is: After a mother heard her son's voice on a long-distance call, she almost thought that the other party was beside her, and was moved to tears.

In the process of launching a challenge to AT&T, MCI really couldn’t find any faults with the opponent in terms of service quality. In the end, it could only focus on the expensive communication costs, and made a spoof The famous ad: The mother heard her son's voice, and she also burst into tears, but it was not out of emotion, but because she was worried that AT&T would mail an expensive phone bill the next day.

After AT&T was dismantled, the most valuable asset inherited by the seven "cucurbit babies" was this network, because the brand and long-distance business were left to the new AT&T.

Because the prospect of ISDN is optimistic, communication companies like Pacific Telecom, which has a complete analog telephone network, are under great pressure. The overall level of communication infrastructure in Europe is not as good as that in the United States. Naturally, there is no need to worry about the previous resource investment, and you can rebuild a brand new digital network on the ruins of the analog network without any burden.

However, Tang Huan knew it well. He had a clear road map for the development of communication technology. He knew that the traditional analog network could be transformed and upgraded through DSL technology without being completely abandoned. The old business model will smoothly transition to a new business model that mainly provides data services, and then continue to make a big profit in the next digital age.

If there was no such support, Tang Huan's painstaking efforts to acquire Pacific Bell from AT&T would have been a loss for profit.

The reason DSL technology can provide digital connections over copper wires or the local telephone network is to overcome the difficulty of transmitting large amounts of data on the voice band by utilizing the additional frequency bands of existing telephone lines.

At the beginning of the telephone system design, it was mainly used to transmit voice calls. From an economical point of view, the signal transmission frequency range of the telephone system design is between 300Hz and 3.4kHz-although the human voice frequency can reach up to 15kHz,

But the range of 300Hz to 3.4kHz is enough to ensure that the two parties in the call can easily identify each other.

Obviously, the copper cable from the local telephone network to the end user can actually provide higher bandwidth - at least from the lowest frequency to 200kHz, the specific upper limit is 200kHz to 800kHz, depending on the quality of the circuit and the complexity of the equipment Spend.

Generally speaking, the fewer connectors between the splitter and the end user, the better the bandwidth will be; the smaller the electronic interference in the environment where the line transmission passes, the better the line bandwidth will be.

The telephone network built by AT&T in the sparsely populated United States meets this requirement to a large extent.

DSL will keep the frequency band used by plain old telephone service -- the 300Hz to 3.4kHz range -- and use frequencies outside that range to transmit data.

In this way, DSL is perfectly compatible with original business functions while developing data services. You must know that with the current dial-up Internet access, one line cannot make calls and surf the Internet at the same time, and those communication companies that do not think about progress and only care about immediate interests hope that users can apply for an additional line so that they can give themselves an extra coin.

Dial-up Internet connection is an end-to-end telephone connection of users on the public telephone network. It can be described as, once a user accessing AOL successfully dials up, he is directly connected to AOL.

Unlike the dial-up connection, the DSL connection is established between the user's device-the DSL modem and the telephone switch, and then the switch uses some other protocols to establish a connection with the ISP that the user actually wants to connect to, such as America Online.

This difference brings a limitation to the seemingly flawless DSL, that is, if the user is more than 5.5 kilometers from the exchange, the quality of service will drop sharply due to interference.

In other words, the reachable range of DSL services to users - the length of the line from the telephone switching center to the user, is inversely proportional to the data rate.

It is precisely because Tang Huan has made CableModem ahead of DSL in terms of commercial use because of the strict requirements on hardware processing capabilities for information stream encoding and decoding, as well as small limitations such as service distance.

It can be said that DSL is still a strategic weapon at present. Tang Huan uses it to ensure his own status. When the speed of dial-up Internet access reaches 56kbps and cannot meet the requirements, DSL, which has been almost perfected, must take over.

As for the competitive relationship between DSL and CableModem, Tang Huancai didn't bother to worry about it. Anyway, this huge market cannot be played by himself - besides Pacific Telecom and Turner Broadcasting Company, there are many other sharers.

In contrast, Tang Huan's combination of the two solutions is a brilliant move to take all parties and make sure profits without losing money.

Seeing that Tang Huan had his own considerations on the layout of DSL and CableModem, Ted Turner stopped trying to influence him. After all, the other party must have a better grasp than himself, and the level is different, so he asked instead. Specific operation related matters of CableModem.

"Although the DVO-1 system is a brand-new product, it is still in the traditional scope of broadcasting and television. There are experiences to learn from, but CableModem is a completely new thing. You have to give me some valuable experience as a pioneer. suggestion."

Tang Huan did not refuse, nodded and said: "I think Turner Broadcasting Company can start from itself first, and establish an intranet through CableModem, just like Cupertino in Silicon Valley."

Check back in 10 minutes.

...

"It's about personal interests, and there is no choice but to resort to rough methods." Tang Huan shrugged needlessly, "The scale of Pacific Telecom's analog public telephone network in the western United States even exceeds that of a small country in Western Europe. It’s easy to give up anytime.”

Before AT&T was dismantled, it didn’t just rely on monopoly profiteering. The telephone network it built across the United States was the super giant’s pride, proving to the federal government its commitment to the telecommunications industry. The biggest capital in which the benefits of monopoly outweigh the disadvantages.

From a famous advertisement at the beginning, we can also see how perfect the quality of the network is: After a mother heard her son's voice on a long-distance call, she almost thought that the other party was beside her, and was moved to tears.

In the process of launching a challenge to AT&T, MCI really couldn’t find any faults with the opponent in terms of service quality. In the end, it could only focus on the expensive communication costs, and made a spoof The famous ad: The mother heard her son's voice, and she also burst into tears, but it was not out of emotion, but because she was worried that AT&T would mail an expensive phone bill the next day.

After AT&T was dismantled, the most valuable asset inherited by the seven "cucurbit babies" was this network, because the brand and long-distance business were left to the new AT&T.

Because the prospect of ISDN is optimistic, communication companies like Pacific Telecom, which has a complete analog telephone network, are under great pressure. The overall level of communication infrastructure in Europe is not as good as that in the United States. Naturally, there is no need to worry about the previous resource investment, and you can rebuild a brand new digital network on the ruins of the analog network without any burden.

However, Tang Huan knew it well. He had a clear road map for the development of communication technology. He knew that the traditional analog network could be transformed and upgraded through DSL technology without being completely abandoned. The old business model will smoothly transition to a new business model that mainly provides data services, and then continue to make a big profit in the next digital age.

If there was no such support, Tang Huan's painstaking efforts to acquire Pacific Bell from AT&T would have been a loss for profit.

The reason DSL technology can provide digital connections over copper wires or the local telephone network is to overcome the difficulty of transmitting large amounts of data on the voice band by utilizing the additional frequency bands of existing telephone lines.

At the beginning of the telephone system design, it was mainly used to transmit voice calls. From an economical point of view, the signal transmission frequency range of the telephone system design is between 300Hz and 3.4kHz-although the human voice frequency can reach up to 15kHz, but 300Hz to 3.4kHz The range of 3.4kHz is enough to ensure that the two parties in the call can easily identify each other.

Obviously, the copper cable from the local telephone network to the end user can actually provide higher bandwidth - at least from the lowest frequency to 200kHz, the specific upper limit is 200kHz to 800kHz, depending on the quality of the circuit and the complexity of the equipment Spend.

Generally speaking, the fewer connectors between the splitter and the end user, the better the bandwidth will be; the smaller the electronic interference in the environment where the line transmission passes, the better the line bandwidth will be.

The telephone network built by AT&T in the sparsely populated United States meets this requirement to a large extent.

DSL will keep the frequency band used by plain old telephone service -- the 300Hz to 3.4kHz range -- and use frequencies outside that range to transmit data.

In this way, DSL is perfectly compatible with original business functions while developing data services. You must know that with the current dial-up Internet access, one line cannot make calls and surf the Internet at the same time, and those communication companies that do not think about progress and only care about immediate interests hope that users can apply for an additional line so that they can give themselves an extra coin.

Dial-up Internet connection is an end-to-end telephone connection of users on the public telephone network. It can be described as, once a user accessing AOL successfully dials up, he is directly connected to AOL.

Unlike the dial-up connection, the DSL connection is established between the user's device-the DSL modem and the telephone switch, and then the switch uses some other protocols to establish a connection with the ISP that the user actually wants to connect to, such as America Online.

This difference brings a limitation to the seemingly flawless DSL, that is, if the user is more than 5.5 kilometers from the exchange, the quality of service will drop sharply due to interference.

In other words, the reachable range of DSL services to users - the length of the line from the telephone switching center to the user, is inversely proportional to the data rate.

It is precisely because Tang Huan has made CableModem ahead of DSL in terms of commercial use because of the strict requirements on hardware processing capabilities for information stream encoding and decoding, as well as small limitations such as service distance.

It can be said that DSL is still a strategic weapon at present. Tang Huan uses it to ensure his own status. When the speed of dial-up Internet access reaches 56kbps and cannot meet the requirements, DSL, which has been almost perfected, must take over.

As for the competitive relationship between DSL and CableModem, Tang Huancai didn't bother to worry about it. Anyway, this huge market cannot be played by himself - besides Pacific Telecom and Turner Broadcasting Company, there are many other sharers.

In contrast, Tang Huan's combination of the two solutions is a brilliant move to take all parties and make sure profits without losing money.

Seeing that Tang Huan had his own considerations on the layout of DSL and CableModem, Ted Turner stopped trying to influence him. After all, the other party must have a better grasp than himself, and the level is different, so he asked instead. Specific operation related matters of CableModem.

"Although the DVO-1 system is a brand-new product, it is still in the traditional scope of broadcasting and television. There are experiences to learn from, but CableModem is a completely new thing. You have to give me some valuable experience as a pioneer. suggestion."

Tang Huan did not refuse, nodded and said: "I think Turner Broadcasting Company can start from itself first, and establish an intranet through CableModem, just like Cupertino in Silicon Valley." (To be continued .)