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Latest Postings
- 29/12/2009: PHILIPS PRONTO UNVEILS INTEGRATION BREAKTHROUGH WITH NEW PRONTOEDIT PROFESSIONAL SOFTWARE
- 10/12/2009: Close Proximity Signage (CPS)
- 10/12/2009: Remote Patient Monitoring
- 03/12/2009: Smart electricity and gas meters
- 03/12/2009: 02 December 2009 - Press Release - UK energy system gets smart
- 03/12/2009: Energy suppliers are to be responsible for installing smart meters in all households in the UK by 2020
- 01/12/2009: Timetable set for 'fairer' bills
- 01/12/2009: The government is unveiling plans for every home in Britain to be equipped with smart meters by the end of 2020.
- 01/12/2009: The cost of installing and owning solar panels will fall even faster than expected according to new research
- 01/12/2009: £12m for display meters for more sustainable schools
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Archive for the Cat6A Category
Cat6A
14/11/2009 by David Slade.
Augmented Category 6 (CAT6a).
CAT6a is a 10-Gigabit Ethernet over copper proposal to the CAT6 standard. The IEEE published a draft standard (Std 802.3an) in October 2004. The draft calls for 10-Gigabit data transmission over a 4-connector twisted-pair copper cable for a distance of 100 metres on Class F or Class E-augmented copper cabling. Class E cabling requires a line-encoding scheme (PAM 12) and electronics to achieve the 10-Gbps transmission for 100 metres. Current CAT6 cabling systems may support 10-Gigabit Ethernet over limited distances.
The draft extends CAT6 electrical specifications from 250 MHz to 500 MHz. It also proposes a new measurement: Power-Sum Alien Crosstalk to 500 MHz. Alien Crosstalk is a coupled signal in a disturbed pair arising from a signal in a neighbouring cable.
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