Wednesday, 22 June 2011

17th Edition BS 7671:2008 Amendment No 1 - Key amendments

Key Amendments

* 444 - Measures against electromagnetic disturbances
* 534 - Devices for protection against overvoltage
* 710 - Medical locations
* 729 - Operating or maintenance gangways

Other Additional Amendments

* A new '100' numbering system for some UK specific regulations to embody future IEC and CENELEC changes.

* Updates to part 2 definitions including a number of new definitions related to new sections 444, 534 and 710.

* The "Periodic Inspection Report" has now been changed to "Electrical Installation Condition Report" along with associated schedules of inspection model forms found in appendix 6.

* Appendices 11 and 12 have now been removed and incorporated into appendix 4.  A new appendix 16 for "Devices For Protection Against Overvoltage" has been added and this relates to section 534.

* Updates to chapter 41, 43 and 53 and apendix 3 have been made due to the fuse standards BS 88-2.2, BS 88-6 been withdrawn and replaced with a single standard BS 88-2 and fuse standard BS1361 been withdrawn and replaced with BS 88-3.

Tuesday, 21 June 2011

What is Broadband Enabling Technology (BET) And How Does It Work

Broadband Enabling Technology (BET) is a overlay to existing DSL technology.  To get BET to work BT install a BET line card in the exchange and a remote unit in the street cabinet (PCP) and a Network Termination Unit (NTU) at the customers home. 
BET has been developed by BT Openreach to provide broadband services to locations that currently have no broadband connection or very limited speeds due to their distance from the local telephone exchange. BET helps to turn these "Not Spots" into "Yes Spots", by providing 1Mbit/s or 2Mbit/s broadband services over lines much longer than were previously possible.
BET is a network enhancement capability which enables or improves customer’s broadband service on long lines (where the line loss is greater than 55db). BET utilises an existing tried and tested Digital Subscriber Line (DSL) technology platform (Symmetric Hi-Speed Digital Subscriber Line (SHDSL)). Achievable line speed using BET would be up to 1 or 2 Mbps. 2Mbps service requires an additional copper pair.
The following telephone exchanges listed below have just been enabled for BET :-
·  Portsoy
·  Barr
·  Aboyne
·  Inverbervie
·  Auchenblae 

Thursday, 16 June 2011

Amendment No 1

For all you electrical people out there, dont forget that "Amendment No 1"  is out at the start of July 2011 ( 7671:2008 Incorporating Amendment No 1: 2011: IET Wiring Regulations )
Click link below for more info

http://www.17th-edition-regulations.co.uk/news/amendment_no_1_2011.htm

Sunday, 12 June 2011

Sorry, for legal reasons we cannot broadcast the service that was shown earlier on ITV1

So you might see this message on a ITV +1 channel :-

Sorry, for legal reasons we cannot broadcast the service that was shown earlier on ITV1
or
Sorry, for legal reasons we cannot broadcast the program that was shown earlier on ITV1


If this message appears on some adverts, how I understand it is that channels are allowed to use up to 15% of their broadcast time, that's 9 minutes per hour, on showing commercials. They can go up to 12 minutes in one hour as long as they take the extra 3 minutes away from a different hour of the day. They might want to put the full 12 minutes in a high-rating programme, and take the 3 minutes away from something which isn't so popular.  If this happens then ITV + whatever channel goes over the 15%  ratio on the hours which do remain. The only way to put that right is to blank out some adverts to restore the balance.

If this is on a while film or program then a lot of ITV's content isn't licenced for the timeshifted channel, i.e. the +1.  They only have the rights to show it once, and a timeshifted channel is counted as a repeat showing.  For some stuff if they wanted to show it again it would cost them quite a lot.

Saturday, 11 June 2011

Free Microsoft eBooks

Did you know that Microsoft Press have a selection of eBooks that are free ? Well yes they do, on a wide range of Microsoft software.  For more information and to download the free eBooks take a look at the following site :-

http://blogs.msdn.com/b/microsoft_press/archive/2011/03/03/ebooks-list-of-our-free-books.aspx

Friday, 10 June 2011

How To Link Your Facebook Account To Twitter

If your looking to link your Facebook account to Twitter I would say the quickest and best way is to use the Facebook Twitter application.  I did look on the help on Facebook about how to do this but there was very little information.  If you visit http://apps.facebook.com/twitter/ you can then link the two together, and then when you post on Twitter it will appear on Facebook also.  There is also other ways to do it, but this is quick, easy and it works.

Thursday, 9 June 2011

Enable Remote Connection on SQL Server 2008 Express and fix error 28

Enable Remote Connection on SQL Server 2008 Express and fix error 28.

In the example given I was trying to connect from my desktop PC to a TMG server’s SQL databases, however I assume you could get this error if you were just trying to connect from your desktop PC to a SQL server.  In this example I was using SQL Server 2008 on my PC trying to connect to Microsoft TMG 2010’s SQL Express databases.



The error I got was - A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 28 - Server doesn't support requested protocol) (Microsoft SQL Server, Error: -1)

There is a few things you need to do to fix this error, some of all of these may help you, I had to do all.

1.       On the TMG server In services ensure that the “SQL Server Browser” service is enabled and started, by default it seems to be disabled.
2.       On the TMG server In services ensure that the “SQL Server (ISARS)” and “SQL Server (MSFW)” services are both enabled and started automatic.
3.       On the TMG Server Open “SQL Server Configuration Manager” and under “SQL Server Network Configuration” ensure that that under “Protocols For MSFW” and “Protocols For ISARS”  the TCPIP is set to “Enabled”

Monday, 6 June 2011

World IPv6 Day 8th June 2011

On 8 June 2011, Google, Facebook, Yahoo!, Akamai and Limelight Networks will be amongst some of the major organisations that will offer their content over IPv6 for a 24-hour test period. The goal of the day is to motivate organizations across the industry, Internet service providers, hardware makers, operating system vendors and web companies – to prepare their services for IPv6 to ensure a successful transition as IPv4 addresses run out.

Chances are some things will break but that most internet users won't notice. Some web sites might temporarily disappear because some networks may try, but be unable, to connect to the new-style addresses. The real purpose of the test day is to discover the impact of a large-scale shift to IPv6 on the millions of servers, routers, and switches that make up the internet.

For more info please visit http://www.worldipv6day.org/

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