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Intro to Tele

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3. Explain what is meant by interoffice trunk connection.
• An interoffice trunk connection is a direct trunk between the local central offices in the same exchange
8. Connections are built between switches, whether the switches are used to switch local or long distance calls.
The circuits connecting the switches are of different types of media. List the three common types of media used to connect two switches together.
• Shared Trunks, Intermachine Trunks IMT), and Feature Group Trunks.
9. What is a T1 circuit used for?
• A T1 circuit is a dedicated digital data circuit transmitted over copper wiring and is used to carry voice and data at speeds up to 1.544 million bits per second (1.5Mbps) using 24 "channels" or timeslots.
10. Define the term LATA.
• LATAs are Local Access and transport area. Geographic areas defined after the Modified Judgment of 1982.
11. Define the term intraLATA.
• Are calls that travel within the LATA.
12. Define the term interLATA.
• InterLATA are calls that travel outside of the LATA, and may have an extra charged attached (long distance).
13. List the three types of data networks described in this chapter.
• Dial-up Network, Dedicated Data Circuits, and Packet Networks – The Internet.
14. Draw a dial-up data connection.
[pic]15. What is the difference between an ILEC and a CLEC?
• ILEC is the Incumbent Local Exchange Carrier is the local telephone company that serves an area before the 1986 Telephone Act. The CLEC is the Competitive Local Exchange Carrier evolved as a result of the 1986 Telephone Act. They compete with ILECs as local exchange services, building switches and offering dial tone but using the ILECs wire facilities to provide services to subscribers served by the ILEC’s Cos.
16. What is the difference between a BLEC and a

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