The single frequency (sf) trunk board has two 600-ohm, 4-wire circuits and a dsp microprocessor to implement in-band sf signaling.
NSN 5960-00-245-2645
NSN 6145-00-617-4032
NSN 6145-01-586-4679
NSN 5935-00-423-8939
NSN 5835-01-232-6904
NSN 6620-01-633-8443
NSN 5925-00-761-4505
NSN 5835-01-111-0969
NSN 6135-00-643-4843
NSN 5999-01-406-2405
NSN 5996-00-153-3216
NSN 2925-01-461-6372
Last Updated: 12/21/2024