Supplies three separate supervisory tones: dial tone, ringback tone, and switch-selectable choice of either busy tone or alerting tone
No other part numbers with same form, fit, and function found.
Two or more different types of items having a common mounting or mounted on each other which together form a portion of a telephone terminal but which in itself is not a complete functioning item and cannot be assigned a more definite item name.
Classification: Parts for apparatus for transmission or reception of voice, images or other data, including apparatus for communication in a wired or wireless network
NSN 5990-00-398-0507
NSN 6110-01-273-3136
NSN 5945-00-310-6636
NSN 5905-00-146-5574
NSN 6105-01-461-3287
NSN 5950-01-126-6294
NSN 5960-00-790-0509
NSN 6610-00-117-7647
NSN 6645-01-212-5626
NSN 6130-00-523-9210
NSN 5915-01-280-3041
NSN 5855-00-014-5008