1output direct current (dc): high level 60 ma and 20 ma, low level plus-or-minus 6 volts; output bit rates: variable, 45 to 9600 bps, 1200 bps; output mode selection: space mode; mark mode; reversal mode; fox mode; kw-7 mode; kwr-37 mode; kg-14 mode; differentically encoded outputs; 1200 bps differentiall encoded polar output; variable, 45 to 9600 bps differentially encoded polar output; freq-shift keyed audio frequency output; (a) 850 hz shift; (b) 200 hz shift; (c) 85 hz shift (16 channels); a programable read only memory (prom) which comprises four distinct binary memories; operating power rqmts: 115 vac, 60 hz, 1 phase; o/a dim: 14.250 in. W x 5.250 in. H x 15.000 d; mounting data: portable, with capability of being mounted in standard 19 in. Rack