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 6620-01-034-4539
NSN 6650-01-206-3584
NSN 6150-01-574-1861
NSN 6105-00-691-0232
NSN 6645-00-153-3834
NSN 6135-01-515-9626
NSN 7035-01-617-0072
NSN 5965-00-841-9195
NSN 5920-01-503-4624
NSN 5835-01-463-2334
NSN 6150-00-673-0429
NSN 5945-00-290-1779
Last Updated: 08/10/2025