VIS-320/E armored Vehicular Intercommunication System is considered to establish voice communication as the main function of the system between the commander and crews of an armored vehicle/tank. In addition, by connecting this system to the two radios and Infantry Box (IB), external communication can be established for commander and the crews.
VIS-320/E includes Central Unit (CU-320), Commander Terminal Unit (CTU-320), Crew Member Terminal Unit (CMTU-320), Gunner Terminal Unit (GTU-320), Infantry Terminal Unit (ITU-320), and External Loudspeaker (EL-320). Access of the crews and infantry to the radio 1 is gained by the commander via the Commander Terminal Unit. In this case, Crew Member/Infantry Terminal Units are under control of the Commander Terminal Unit completely. Access of the gunner to the radio 1 is gained via the Gunner/Commander Terminal Unit. Access of the crews to intercommunication is selected by available chest set of them. In all intercommunication and external communication, the commander is in high priority and can gain its special access.
Capabilities
| General specifications | |
| System mission | voice transmission/receiving |
| Operation type | tactical military operation |
| Communication channel | multi-wire/pair wire cable (for infantry) |
| Network capacity | 5 crews, 1 commander, and 1 infantry |
| Physical layers between the nodes | analog voice |
| Display type | LED |
| Crew/infantry connector type | 19-pin socket of the crew/commander and binding post for infantry |
| Operating voltage | 20~32VDC externally |
| Conference type | general conference |
| Alarm/display capability in the | laser/chemical attack, status of the gunner, |
| Commander Terminal Unit | driver, and infantry |
| Out of network communication | radio communication (R1 and R2) via the two VHF/LB radio sets |
| Microphone input | about 1mV p-p |
| Command control | controlling communication between the crews |
| and with the R1 and R2 | |
| Connection alarm of the Infantry | audio alarm in commander helmet and LED |
| Terminal Unit | indication on the Commander Terminal Unit |
| Audio frequency response | 0.3-3.4KHz |
| Controlling the received audio level | by volume control as analog for each crew and |
| the commander | |
| Input/output ports | 2 radio inputs, 2 crew inputs, 1 commander input, 1 infantry input, in sensor input, and supply input |
| Audio output | one output for connecting external loudspeaker |
| Tactical capability and quick | ok |
| setting up | |
| Easy operation | ok |
| Special specifications | |
| Capability of holding conference | by the commander |
| and intercommunication | |
| Capability of radio transmission/ | by the commander and crews |
| receiving in status of connecting | |
| to the radio 1 | |
| Capability of radio transmission/ | only by the commander |
| receiving in status of connecting | |
| to the radio 2 | |
| Controlling and disconnecting | by the commander |
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