Telecommunications and networks
Telecommunications and networking are essential elements in communicating
using today's electronics technology. However there are many technologies that
are in use ranging from the traditional telephones, often referred to as POTS
(Plain Old Telephone System) to the more up to date technologies including
Ethernet, ADSL, Voice over IP, Mobile IP and many more.
Telecommunications Systems
There is a wide variety of different standards and technologies that are used
for telecommunications systems, from POTS (Plain Old Telephone System) through
standards such as ISDN to DSL and ADSL.
- Basics of ISDN
- Basics of E1
- Basics of Asynchronous Transfer Mode, ATM
Telecommunications and networking transmission media
The telecommunications and data networking industries have been
revolutionisgsed by the use of fibre optics technology. IT allows data to be
transmitted over greater distances and with greater bandwidth.
- Fibre optic data transmission technology for telecommunications and data
networking
- Optical fibre - the keystone of fibre optics technology
- Fibre optic connectors
- Fibre optic splicing
- Fibre optic transmitters
- Fibre optic receivers
Networking and Communications Standards
Networking is now well established as a topic in its own right. Many
standards have been introduced including RS232, RS422 ... Ethernet, and many
more.
- Basics of Ethernet
- Cable types used for the different Ethernet variants
- 100Base-T Ethernet
- Gigabit Ethernet (1 GE)
- 10 Gigabit Ethernet (10 GE or 10 GbE)
- Ethernet switches
- Ethernet routers
- Ethernet hubs and repeaters
- Power over Ethernet
- Overview of the serial data standards including RS-232, RS422, and RS-485
- Basics of RS-232 serial data transmission standard
- Codes for software handshaking on RS-232
- RS232 signals and voltage levels
- RS232 pin outs
- RS-422 for high speed serial data transmission
- The current loop technique used for serial data transmisson
- RS-485 for high speed serial data transmission and the ability for multiple
transmitters and receivers
- Overview of USB, the Universal Serial Bus
Telecommunications and networking applications
There are many applications that can be used over telecommunications, local area
and wide area networks. The number is growing as the use of these systems grows
to meet the demand of today's communications requirements.
- Mobile IP
- Voice over IP, VoIP
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- VoIP protocols
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- VoIP testing
- IP Multimedia Subsystem, IMS
Telecommunications and networks protocols
There is a large number of different protocols used to enable
telecommunications networks to carry the data in a controlled fashion.
- SIP - Session Initiation Protocol
Networking and Communications Codes
- Table of ASCII codes
