Digital Telephone Dta-04

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).
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.скачать dle 12.0