Important Safety Instructions

Always follow these basic safety precautions when using the premises equipment:

1.Read and understand all instructions.

2.Follow all warnings and instructions marked on the product.

3.DO NOT block or cover the ventilation slots and openings. They prevent the product from overheating. DO NOT place the product in a separate enclosure, unless proper ventilation is provided.

4.Never spill liquid on the product or drop objects into the ventilation slots and openings. Doing so may result in serious damage to the components.

5.Repair or service must be performed by a qualified repair person.

6.The product is provided with a three-wire grounding type plug. This is a safety feature. DO NOT defeat the safety purpose of the grounding type plug. DO NOT staple or otherwise attach the AC power supply cord to building surfaces.

7.DO NOT use the product near water or in a wet or damp place (such as a wet basement).

Additional Safety Instructions

for Installation Personnel

1 . DO NOT install telephone wiring during a lightning storm.

2 . DO NOT install telephone jacks in a wet location unless the jack is specifically designed for wet locations.

3 . Never touch uninsulated telephone wires or terminals, unless the telephone line has been disconnected at the network interface.

4 . Use caution when installing or modifying telephone lines.

5 . The equipment carriers must be securely wall mounted.

CAUTION:

If any wiring from the extension jacks leaves the building premises, you must install AT&T IROB protectors (see “Requirements for Out-of-Building Extensions,” page D-2).

CAUTION:

Use only AT&T-manufactured modules in the equipment controller.

CAUTION:

Environmental and electrical conditions must meet the specifications in Appendix D.

SAVE THESE INSTRUCTIONS

2-iiInstalling the Equipment

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AT&T II manual Additional Safety Instructions For Installation Personnel, IiInstalling the Equipment

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.