I4-wire card; two ports; three leds; no jumpers or adjustments; four each 50-pin connector telephone to user; two high densi type 78-pin to matrix; 300 hz frequency range; indicates up, loopback, and error
NSN 5975-01-541-5283
NSN 4140-01-092-1098
NSN 6130-00-279-5066
NSN 5905-01-129-1569
NSN 6320-01-489-6044
NSN 6145-00-574-1152
NSN 5999-01-631-4928
NSN 6145-00-180-5805
NSN 5935-01-313-4441
NSN 5960-01-235-2586
NSN 6130-01-444-1788
NSN 5910-01-217-1333
Last Updated: 02/21/2025