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:
A) inputs: 12 sources (ea c/o sep. Data, clock, irig-b; data and clock: rs-422 or ttl, dc to 5 mbps data rate, bnc connector; irig-b: analog; bnc connector; (b) outputs: data and clock: rs-422 or ttl, dc to 5 mbps data rate, bnc connector tri-ax; irig-b: same as input; (c) control: front panel: power on-off rocker switch, 12 lighted push button switches (lpbs) to select data/clock source, 12 lpbs to select irig-b source, lpbs to toggle local/remote; serial data link: rs-232 data link @ 9600 baud, ascii digits for channel selection, ascii? For status of current channel selection, db-9f connector