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 7035-01-144-6408
NSN 5999-01-156-7627
NSN 6220-01-472-2284
NSN 5960-00-099-9790
NSN 5910-01-377-9956
NSN 6320-01-202-8761
NSN 5925-01-131-0373
NSN 6645-01-263-3621
NSN 5935-00-927-7271
NSN 6110-01-657-0014
NSN 5835-01-123-8305
NSN 6110-01-374-0785
Last Updated: 08/17/2025