Accession Number : AD0702980

Title :   THE UNS-20 MANAGERIAL TELEPHONE EQUIPMENT,

Corporate Author : FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO

Personal Author(s) : Khein,D. M. ; Stavrov,E. G.

Report Date : 07 JAN 1970

Pagination or Media Count : 6

Abstract : The UNS-20 provides the following services: calling of the direct subscribers and conversing with them from either of the two consoles; establishing a connection from any console with dial-office subscribers over the trunks; receipt of a flashing call signal (from direct subscribers and over the trunks) at both consoles simultaneously, and of a sound call signal at one of the consoles; switching of the sound signal for all incoming calls to the manager's console; holding of the trunks and reconnection of them; conversation between both consoles and calling of one from the other; simplex loudspeaker communication between consoles; conference calls involving 3-4 direct subscribers and one dial-office subscriber; duplex calls with loudspeaker reception from the manager's console with direct subscribers and dial-office subscribers, with the connection of a UD-M duplex amplifier. The components of the UNS-20 along with their dimensions and weight are cited in the table. (Author)

Descriptors :   (*TELEPHONE EQUIPMENT, AUTOMATIC), SWITCHING CIRCUITS, USSR

Subject Categories : Non-radio Communications

Distribution Statement : APPROVED FOR PUBLIC RELEASE