1. Restricted © Siemens AG 2013 All rights reserved.siemens.co.uk/education Words along wires Siemens Education

2. Restricted © Siemens AG 2013 All rights reserved. Words along wires Overall learning objectives:  Explore different communications systems  Compare systems, identifying strengths

3. Restricted © Siemens AG 2013 All rights reserved. Words along wires Overall learning outcomes:  To be able to explain different communication systems and how they work  To be able to compare different communication systems

4. Restricted © Siemens AG 2013 All rights reserved. Words along wires Different ways of communicating

5. Restricted © Siemens AG 2013 All rights reserved. Words along wires Semaphore code

6. Restricted © Siemens AG 2013 All rights reserved. Words along wires Morse code

7. Restricted © Siemens AG 2013 All rights reserved. Words along wires Planning a link – What are the risks?

8. Restricted © Siemens AG 2013 All rights reserved. Words along wires Planning a link

9. Restricted © Siemens AG 2013 All rights reserved. Words along wires Morse code transmitter The Morse code system used dots and dashes The Siemens pointer system used a dial

10. Restricted © Siemens AG 2013 All rights reserved. Words along wires Morse code transmitter The Morse code system used dots and dashes The Siemens pointer system used a dial

11. Restricted © Siemens AG 2013 All rights reserved. Words along wires Evaluating the systems  How easy is each system to use?  How quickly can messages be sent?  Would either system get quicker with practice?  Which do you think is the better one, and why?