MRC:
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.SUPP
Supplementary Features:
Console interface operates at 9.6kbps (eia tia-232); network interface operates at 10mbps (eia 422); serial interface operates at 64kbps: rear panel indicators for xcve data, xcve clock, xmit data, xmit clock, data terminal ready, request to send, xcve line signal detect, software loopback, +5v present, +12v present, -12v present, and interface assembly test ok