Shelterized telephone central office that provides automatic switching service .
Shelterized telephone central office that provides automatic switching service and subscriber service functions to tri-tac family of 4-wire digital secure and nonsecure voice terminal telephone instruments and 4-wire digital trunks; single channels and time division multiplexed grps accomplishes automatic and semiautomatic switching for selected analog loops and trunk; provides switching among 75 & 150 channels; operating pwr 50-60-400 hz; 3 phase, 4-wire, 120-208 v ac pwr source externally; equiped to accept ext pwr at 24 v dc; prime pwr consumption is 17.5 kw; o/a dim.88 3/8 in.X 87 x 181 in.Wt 4, 543 lbs; shelter constructed iaw mil-s-55286 provides na operators position and mattrix link to give an oprtr control of connections, auto queuing of incoming calls, auto ring, auto busy signal and auto disconnect of compl calls
A telephone office having among its characteristics, switching facility for connecting different types of subscribers, either voice or data. Also provides the necessary control signals allowing interfacing with any other central office within the network. Includes a collection of items, both numerous parallel electronic switching equipment and other electronic equipment. Excludes central office, telephone, dial and central office, telephone, manual.
Telephone Terminal
Telephone Terminal
Interrogation Unit
Comm sys support equip iii end item identification
Comm sys support equip iii end item identification
NSN 7450-01-046-7251
NSN 6605-01-653-3163
NSN 5826-01-521-4309
NSN 5820-01-472-1364
NSN 5995-00-627-0039
NSN 6760-00-116-8329
NSN 5831-01-363-6843
NSN 5965-01-603-0118
NSN 7450-00-241-7573
NSN 6350-00-439-1150
NSN 5895-01-248-8610
NSN 5805-01-094-6198
Last modified 11/12/2024