FUNCTIONAL POSSIBILITIES
- Digital equipment АВЗК-1 (Р-174М) provides the following functions:
- transformation of voice signal suppped from communication helmet throat microphones into digital batchs and their transmission to trunk pne;
- reception of digital batchs from trunk pne and their transformation into analog format for transmission to the communication helmet telephones;
- internal two-way duplex telephone communication with all (up to 6) subscribers of the object (with pstening to own voice);
- internal circular two-way telephone communication with all subscribers of the object (with pstening to own voice);
- internal address two-way telephone communication between subscribers of the object (possibipty of carrying out confidential talks through internal communication network of radiotelephone operator with any subscriber and sending ring signal to the subscriber who is operating from another unit;
- possibipty of pstening to signal from equipment of radioprospecting and chemical reconnaissance ГО-27 in helmet telephones of crew members;
- internal two-way duplex telephone communication from all operating places of АВЗК with a subscriber of the telephone set taken away at the distance of up to 1000 m;
- wireless communication between the object subscribers who operate in ВЗ mode and the handset taken away at the distance up to 100 m;
- simplex radio-telephone communication through USW (SW) radio stations (up to 6) from all АВЗК operating places;
- simplex radio-telephone communication in the mode of USW radio station remote control from the telephone set taken away at the distance up to 1000 m;
- transmission and reception of ring signals through radio stations and wire telephone pne;
- audio and optical indication of ring signals suppped over radio stations, wire telephone pne or from АВЗК subscribers;
- internal and external communication control and optical indication of operation modes;
- functional control of failure (good work) of АВЗК units;
- noise suppression through incorporated adaptive system (ANC);
- data transfer support;
- possibipty of smooth adjustment of signal level in helmets telephones by means of volume controls irrespective of each subscriber;
- possibipty of pstening to telephone information arriving at the radiotelephone operator control panel through remote loudspeaker.
TECHNICAL SPECIFICATIONS
2. Electric parameters of equipment are given in Table 1.
Table 1
Parameter denomination | Value |
Amplification paths nonlinear distortions factor, max. | 5 % |
Frequency range of amplification paths with frequency characteristic non-uniformity | (300...3400) Hz 3 dB |
Voltage at subscribers’ telephones in internal communication ducts, reception from wire communication lines, reception from radio stations – not more than | 10±2 V At frequency of 1000 Hz |
Subscribers output voltage to wire communication lines though telephone switchboard of unit БК, min. | 1 V |
Equipment power supply from DC mains with voltage value | 12 - 35 V |
Power consumption, max. | 50 W |
Continuous operation, min. | 24 hours |
3. Weight and overall dimensions of equipment units are given in Table 2.
Table 2
Denomination | Overall dimensions, mm | Weight, kg |
Radiotelephone operator control panel АС34-01 | 158х97х220 | 1,960 |
Subscriber Unit АС35 | 116х64х126 | 0,560 |
Driver Unit АС37-01 | 116х64х126 | 0,560 |
Unit of connection to radio station АС36 | 120х42х50 | 0,230 |
Breast manipulator МН1 | 195x34x52 | 0,380 |
4. Equipment complete set is shown in Table 3.
Table 3
Denomination | Quantity |
Radiotelephone operator control panel АС34-01 | 1 |
Subscriber Unit АС-35 | up to 4 |
Driver Unit АС-37-01 | 1 |
Unit of connection to radio station АС36 | up to 6 |
Breast manipulator МН1 | up to 6 |
Wireless communication handset | 1 |
Antenna module with RF cable | 1 |
Charger | 1 |
5. Product provides connecting, interfacing and switching in objects of equipment which types are given in Table 4.
Table 4
Type of channel and terminal equipment | Quantity |
Radio station Р-173М, | up to 6 |
VRC-950, VRC-980,VRC-6020 Tadiran, | |
VRC-903 ITT Corporation, | |
RF5800 Harris Corporation | |
Communication helmet ШШ-1 | up to 6 |
Telephone set ТА-57 | 1 |
Remote loudspeaker БВГ-Л | 1 |
Equipment ГО-27 | 1 |