Each board has positions for two DIN-standard VME connectors (0.1x0.1" centers). One 96-pin male shrouded header with ejection latches is installed and and one position is left open for User-installation of second connector of the User's choice. The installed socket accepts either 96-pin or 64-pin wiremount sockets. Requires 192 test points! An included expander cable attaches to the gray, 40-pin header on the right to obtain additional test points from an expansion module. Set of two boards with expander cable.