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 6110-00-196-8813
NSN 5935-01-227-6538
NSN 5999-00-401-4381
NSN 5920-00-901-1551
NSN 5935-01-196-6179
NSN 5915-00-141-0410
NSN 2925-00-969-4262
NSN 5905-01-098-7186
NSN 6610-01-112-0447
NSN 6150-01-507-9221
NSN 5915-01-352-1055
NSN 5935-01-580-2181
Last Updated: 08/14/2025