A rotary switch, mounted beneath each jack, provides a selection of common battery or magneto supervision for each circuit. THIS ITEM IS VERY RARE AND THIS UNIT APPEARS TO BE IN GOOD USED CONDITION AS REMOVED FROM SERVICE.THE UNIT CAN BE DISASSEMBLED AND STORED IN ONE SELF CONTAINED TRANSIT CASE WHICH BECOMES THE OPERATING STAND. SOME REPAIRS MAY BE REQUIRED. COMPLETE DESCRIPTION AND MANUALS ARE AVAILABLE ON THE WEB. No return unless a item is not as described. This item is not offered for export!!! The item "SB-86/P PORTABLE KOREAN WAR FIELD MILITARY SWITCHBOARD 30 LINES" is in sale since Tuesday, October 23, 2018. This item is in the category "Collectibles\Militaria\Korea (1950-53)\Original Period Items".com" and is located in Somis, California. This item can be shipped to United States.