Telecommunications Overview
Telecommunications Vs. Telephony
Telecommunications Standards
Voice Communications
Telephone Channels
Telephone Network Components
- Local Loop
- Central Office
- Point of Presence (POP)
Voice Network Suppliers
- Local Exchange Carriers (LECs)
- Competitive Local Exchange Carriers (CLECs)
- Inter-Exchange Carriers (IECs)
Voice Services
- POTS
- 800, 900 services
Billing and Tariffs
Private Branch Exchange (PBX)
CENTREX
Signaling System 7 (SS7)
Data Communications
Digital Vs. Analog Transmission
Voice, Image, Video Digital Transmission
Modems
Multiplexing
Local Area Networks
- Cabling
o CAT-5
o Fiber Optic Technology
- Components
o Hubs
o Switches
o Routers
o Cable/DSL Modems
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- Technologies
o Gigabit Ethernet
o WiFi
o Fast Ethernet
- TCP/IP
- VoIP
Packet Switched Networks
Circuit Switched Vs. Packet Switched
Fast Packet (Frame Relay) Networks
Digital Networks
T Carrier and T-1 Services
Asynchronous Transfer Mode (ATM)
Synchronous Optical Network (SONET)
Dense Wave Division Multiplexing (DWDM)
Integrated Services Digital Network (ISDN)
Microwave and Satellite Technologies
Line of Sight (LOS) Microwave
Satellite Communications
Cellular Communications
- CDMA Vs. TDMA Vs. Analog
- Wireless Service Offerings
o Cellular
o PCS
o Nextel
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