The SANDIA Aerospace MARC Series of remote accessory cards provide the installer with a wide variety of interface circuits needed to integrate today's avionics systems.

The MARC70 units can be housed in an SRU 1 single enclosure or can be installed in either the SRU 5 or SRU 10 multi-card enclosures. The SRU 5 will hold up to 5 interface modules while the SRU 10 can hold up to 10 modules.

The MARC70 units are PMA'd and certified to 55 thousand feet.

Diode Isolation Module. Provides 23 lines of diode ground in - ground out isolation. Internal FET allows simultaneous test of all lines to ground. Requires 28 Vdc for test.