Installation Procedures

Before installing the premises equipment, be sure you read the safety instructions on page 2-ii. In addition, be sure you have the parts shown in Figure 2-3 (if not, call the Helpline as instructed on the inside front cover of this guide). You will have up to four types of component packages; Figure 2-3 shows the contents of each package type in an area marked by a dashed line.

Required Parts

Primary Carrier

Cover

Primary

Backplane

MLS-34D

MLS-12D

Quick Reference Cards

Processor

Programming

Programming

(3 packages of 6)

 

 

 

 

Module

 

Overlay

Overlay

 

 

 

 

AC Power Cord

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Expansion Carrier

 

 

206 Module

 

 

 

400 Module

 

 

 

 

 

 

267F2

 

 

 

 

 

 

 

 

Bridging

 

 

 

 

 

 

 

 

Adapters (2)

 

 

 

Cover

Expansion

 

 

7-foot

 

 

 

7-foot

Backplane

 

 

 

400

Telephone

 

Processor Module

206

Telephone

 

 

Module

Line Cords (4)

 

 

 

 

Module

Line Cords (2)

 

 

 

 

 

 

 

AC Power

Cord

Expansion Cable

Figure 2-3. Premises Equipment Parts

NOTES:

1.For each carrier, you will need to obtain four #12 screws of the appropriate

type for the wall and the weight of the carrier (a carrier with two 206 modules, two 400 modules and a processor module weighs approximately 27.5 pounds).

2.If you need modular telephone cords for connecting the extension jacks on the equipment controller to the modular connecting blocks for extensions in the equipment room, short telephone cords for wall mounting MLS-model phones, or a 355A/355AF adapter and D8W telephone cord for connecting a call reporting device, order them before installation. See “Product Ordering Information” in Appendix C for ordering instructions.

2-8Installing the Equipment

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AT&T II manual Installation Procedures, Required Parts

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.