Digital Telephone DTA-04

Digital Telephone DTA-04 intended for supporting a telecommunication service in all command's levels in Integrated Com­munication Facilities and other point. It is used at stationary objects and in a field open-air condition.

Telephone provides direct phone commu­nication/ wire connection and access to the net with digital interface ISDN S/T and U with DSS1 or TR6 protocols, supporting radio remote control.

Telephone set can be used as digital phone, voice digitizer, digital-to-digital converter or as ra­dio-station controlling module.

Telephone intended for field operation un­der environmental exposure and for installation and operation on stationary and mobile vehicles (track-type vehicles, aircrafts with a low maneu­verability, helicopters and ships).

Power supply system is Central battery (CB) or vehicle electrical system with rating value 27 V.

There are provided power supply from S/T and U interfaces and from the onboard electric system with DC 27 V also. 

STATE FOREIGN TRADE ENTERPRISE

SPECIFICATIONS:

Operating mode:

-   Standard: ISDN (2B+D) U or S/T interface;

-   Signaling protocol: DSS1, TR6; Application:

-   Voice;

-   Data transport;

-   Radio remote control;

-   Effective bandwidth: 0,3 - 3,4 kHz;

-   Call-tone level: not less 70 dB;

-   Memory: 10 numbers;

-   Calling Log; Power supplying:

-   S/T and U interfaces;

-   By central battery 27 V;

-   Temperature range -35° C... +50° C;

-   Mean-time-between-failures is not less 10 000 hours;

-   Operation life is not less 15 years;

Hermetic enclosure (submerge up to 1 m).