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.

The SRU 10 houses up to ten MARC70 modules. Extra slots can be reserved for future use.