Does anybody use a form of back up power supply for their signals when there is a power fail? If so please could you pass me any info you have? Regards Mark Stapley Traffic Systems Design Engineer| Bedfordshire Highways t: 08453 656130 | m: 07725 445685 | e: mark.stapley@xxxxxxxxxx Woodlands Annex | Manton Lane | Bedford | MK41 7NU Amey | Service is our passion. People, our strength ************************************************** COMPANY PARTICULARS: For particulars of companies within the Amey Group, please visit http://www.amey.co.uk/Home/Companyparticulars/tabid/182/Default.aspx. Amey plc, Registered Office: The Sherard Building, Edmund Halley Road, Oxford OX4 4DQ, Registered in England: 4736639 CONFIDENTIALITY NOTICE: This email message and accompanying data are for the sole use of the intended recipient(s) and may contain information that is confidential. If you are not the intended recipient, you are notified that any use, dissemination, distribution or copying of this message or data is prohibited. If you received this email message in error, please notify us immediately and erase all copies of this message and attachments. Please note that Amey monitors incoming and outgoing mail for compliance with its Email Policy. This includes scanning emails for computer viruses. ************************************************** ----------------------------------------------------------- A message from the TCUG mailing list. For information about the list visit //www.freelists.org/webpage/tcug