AT&T II Equipment Upgrades, Adding New Modules, Replacing a Module, 14Installing the Hardware

Models: II

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Equipment Upgrades

Adding New Modules

Main

Circuit Breaker

Power

Jack

Hotline

Phone

Doorphone

1 A) Pull out the main circuit breaker(s) on the carrier(s) to power down the equipment controller. B) Slide the equipment controller cover off the backplane.

2 A) Insert the new 206 and 400 modules as you did in Step 3 on page 2-9, making sure the 400 module is installed to the right of the 206 module.

B)Connect line and extension jack cords as described on page 2-10.

3 Move the doorphone and/or Hotline phone extensions to the last installed 206 module. Unplug the Hotline phone and/or doorphone extension cords and connect them to the last available jacks on the last installed module. Refer to page 5-9for instructions on adjusting System Programming. Power up the equipment controller and check the lights on the modules using the instruc- tions in Steps 5 and 6 on page 2-9.

Replacing a Module

Main

Circuit Breaker

Power

Jack

1 A) Pull out the main circuit breaker(s) on the carrier(s) to power down the equipment controller. B) Slide the equipment controller cover off the backplane.

2 A) Check the slack in the wires. If there is not enough slack to remove the module without pulling the line and extension cords free, label and disconnect the wires before moving on to Step 2B. B) Place one hand on top of the module. With the other hand, grip the plastic bracket on the bottom front of the module, and use the middle finger to hold down the locking tab just below the bracket. C) Pull out the old module and insert the replacement. (Refer to Step 3 on page 2-9.)

3 A) Connect the line and extension cords one at a time, making sure to place the correct cords into their corresponding jacks on the new module. B) Power up the equipment controller and check the lights on the modules using the instructions in Steps

5and 6 on page 2-9. C) Replace the cover.

2-14Installing the Hardware

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AT&T II manual Equipment Upgrades, Adding New Modules, Replacing a Module, 14Installing the Hardware

II specifications

AT&T II, a pivotal case in the landscape of telecommunications regulation, emerged from the expansive antitrust actions against the American Telephone and Telegraph Company (AT&T). Following World War II, AT&T had established itself as a telecommunications behemoth, monopolizing the market. The ramifications of this dominance spurred a significant shift in regulatory measures, leading to the dissolution of the Bell System in 1984, which consisted of AT&T and its regional operating companies.

One key feature of AT&T II is its emphasis on promoting competition in the telecommunications sector. The court's decision aimed to dismantle the monopolistic practices that had stifled innovation and restricted consumer choice. By encouraging competition among various service providers, the ruling paved the way for an environment where new technologies could flourish.

The technologies that emerged post-AT&T II significantly transformed the telecommunications landscape. The introduction of new digital switching systems allowed for improved call quality and increased network efficiency. The evolution of fiber-optic technology also played a crucial role, enabling faster transmission speeds and greater data capacity. Moreover, innovative services, such as mobile telephony and broadband internet, proliferated as competition increased.

Another characteristic of AT&T II is its focus on accessibility and consumer protection. The ruling mandated that telecommunications services be available to a broader swath of the population, ensuring that underserved communities had access to essential communication services. This shift not only democratized access but also laid the groundwork for the modern internet revolution, fostering the growth of the digital economy.

The impact of AT&T II can also be seen in the regulatory frameworks that followed. The Federal Communications Commission (FCC) adopted policies aimed at enhancing market transparency and ensuring fair practices among competitors. These regulatory changes helped to create a more equitable playing field, allowing smaller companies to compete against established giants.

In summary, AT&T II marked a turning point in telecommunications history, characterized by a focus on competition, technological advancements, and consumer protection. The dissolution of AT&T's monopoly allowed for the rapid evolution of technology and services, ultimately benefiting consumers and fostering an environment ripe for innovation. This ruling not only redefined the telecommunications industry but also set a precedent for how markets are regulated in the United States.