The single frequency (sf) trunk board has two 600-ohm, 4-wire circuits and a dsp microprocessor to implement in-band sf signaling.
NSN 6610-01-184-9700
NSN 6105-01-645-6184
NSN 7035-01-123-0085
NSN 5965-00-387-6880
NSN 4140-01-259-9260
NSN 5935-00-186-0932
NSN 5935-01-406-5720
NSN 5960-00-098-8847
NSN 5895-01-414-4856
NSN 6110-00-170-6520
NSN 6130-00-072-1199
NSN 5920-00-585-0104
Last Updated: 12/21/2024