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Thought For The Week No Question Is A Bad Question!

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Presentation on theme: "Thought For The Week No Question Is A Bad Question!"— Presentation transcript:

1 Thought For The Week No Question Is A Bad Question!

2 T-Carriers Are A Primary Means Of Point-To-Point Network Connectivity. Key Point

3 At The End Of Lesson 4, You Should Be Able To: Describe The Differences Between T1, FT1, And Digital Signal Level 3 (DS3) Systems List Applications That Use T1, FT1, And DS3 Technologies T-carriers Have Existed In The Telecommunications Industry For Quite Some Time.

4 Digital Voice Transmission Offers Several Advantages: Digital Signals Are Less Susceptible To Interference; It Is Easier To Distinguish Noise From Signal. Binary Patterns Can Be Reproduced Exactly, And “ Cleaned Up, ” When They Pass Through Switches, Multiplexers (Muxs), Or Repeaters. Digital Voice Signals Can Be Multiplexed With Other Digital Data. Digitizing Voice

5 T-carrier Rates Are Shown In The T-Carrier Rates Table. T-Carriers Standard Line Type Number of Voice Circuits Bit Rate North America DS0 DS1 DS1C DS2 DS3 DS4 N/A T1 T1C/D T2 T3 T Kbps Mbps Mbps Mbps Mbps Mbps

6 T-Carriers Standard Line Type Number of Voice Circuits Bit Rate E1 E2 E3 E4 E5 M1 M2 M3 M4 M Mbps Mbps Mbps Mbps Mbps Europe

7 T-Carriers Standard Line Type Number of Voice Circuits Bit Rate Japan F-1 F-6M F-32M F-100M F-400M F-4.6G Mbps Mbps Mbps Mbps Mbps Mbps

8 T1 Circuits Are Dedicated Services Connecting Networks Or LANs Over Extended Distances. The Sample T1 Configuration Diagram Presents a Typical Configuration. T1 Sample T1 Configuration

9 As With A DDS Circuit, We Lease A T1 Circuit Between Two Locations. The DS-0 Network Diagram Demonstrates This By Showing A Typical Four-Office Telephone Network Built Using Individual DS-0 Lines. T1 DS-0 Network

10 The T1 Network Diagram Demonstrates A Way To Consolidate Interoffice Communications Into A Single Backbone Consisting Of Four T1 Lines, Capable Of Meeting Changing Traffic Demands On The Fly. T1 T1 Network

11 The T1 WAN Diagram Illustrates A Typical T1- Based WAN. T1 T1 WAN

12 The North American Digital Hierarchy Is Created Using A Series Of TDMs As Shown On The North American Digital Hierarchy Diagram. T3 And North American Digital Hierarchy North American Digital Hierarchy

13 Lower T1 Circuit Costs Are Enabling More And More Companies To Carry Bandwidth- Intensive Applications. Circuit Costs


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