Special Features:

200local line capacity; 200local lines equipped for opr; switchboard data, common and local battery type, 3 opr posn, 48 v battery, dial not incl; 40 trunk lines; complement data, complement listing, 1, jcens, switchboard, telephone, manual, ty no.Sb-249/ttc, 1, jcens, telephone circuit line relay, ty no.Ta-223/ttc and ta-224/ttc, 1, jcens, telephone circuit trunk relay, ty no.Ta-226/ttc and ta-276/ttc, 3, jcens, main distribution frame, ty no.Ta-257/ttc, 3, jcens, base, stand, ty no.Mt-1132/ttc, 1, sig, panel, ty no.Bd-132, 4, sig, battery, ty no.Bb-46, 1, sig, pwr unit, ty no.Pe-75; spec feat, for rapid installation and removal by means of patching cable; jcens id data, central ofc, telephone, manual, ty no.An/ttc-7; for general purpose use; data regarding govt doc containing list of components, 4, technical manual, tm-11-2146

Properties:

A telephone office having switching facilities for connecting any manual (nondial) telephone station to any other telephone station within its area. The switching is accomplished manually by means of a jack termination in a switchboard equipped with cord circuits or switches, and supervisory circuits. May include a dial. It generally has trunking facilities to and from other central offices for making connections to telephone stations in those offices. The central office includes all equipment required to serve the lines having a common office name. Does not include the lines from the central office or the telephone stations.