The single frequency (sf) trunk board has two 600-ohm, 4-wire circuits and a dsp microprocessor to implement in-band sf signaling.
NSN 6320-01-125-3361
NSN 5935-00-724-6711
NSN 5835-01-654-4570
NSN 5945-00-191-6136
NSN 6150-01-254-3625
NSN 5930-00-782-1983
NSN 6645-01-572-7175
NSN 5985-01-476-7521
NSN 5990-01-497-2138
NSN 5910-01-219-5951
NSN 7035-00-884-8366
NSN 6105-00-878-4273
Last Updated: 12/30/2024