LK204-7T-1U Including the LK204-7T-1U-USB variant Technical Manual Revision 2.6 PCB Revision: 1.0 or Higher Firmware Revision: 5.0 or Higher 1 Revision History Revision Date Description Author 2.6 January 14, 2015 Robvision to GPO Indicator Table Clark 2.5 June 26, 2014 Revision to GPO On and Off commands and LED Indicator Table Martino 2.4 March 12, 2014 Revision and correction to Colour in Ordering Options Martino 2.3 March 10, 2014 Revision to the Dimensional Drawing Martino 2.2 June 24, 2013 Updated Power/Communication Header Clark 2.1 October 29, 2012 Updated Alternate Power Header Clark 2.0 December 14, 2011 Initial Release Clark 0.1 November 18, 2011 Initial Concept Clark 2