Product Profile of Digital Universal Control Harness [duch]
Digital Universal Control Harness [DUCH] is based on ISDN principles and is offered by Bharat Electronics. Digital Universal Control Harness is a highly flexible new generation interconnects system for combat vehicles. Digital Universal Control Harness provides full duplex communication between crew viz., commander, gunner, driver, external and remote users [upto six crew members] as well as direct access up to 3 radios [upto 5 radios with a Radio Expansion Unit]. Digital Universal Control Harness is mainly consists of two types of units: Master Control Unit [MCU]: MCU, the heart of DUCH, contains the processor controlled digital switching as well as power supply section for the system. The CCU units are connected to MCU through single core fire retardant type coaxial cables or twisted wire pair through which the multiplexed voice and data and power supply to all the CCU units are routed. Upto 3 radios are connected to MCU through double shielded cables. Crew Control Unit [CCU]: CCU-Gunner and CCU-Driver interface with the MCU through single core coaxial cable. The salient features of the Digital Universal Control Harness:
Radio section and control upto 3 radios.
Manual and automatic radio retransmission in both clear and secure mode.
Call and override facility for Intercom
BITE facilities.
Radio selection and control upto 3 radios
Intercom and Live Intercom features in full duplex conference mode with "CALL" facility
Radio and Intercom monitoring facility with split earphones with separate volume controls
Radio Status and System health monitoring by LED indication
Compact, flexible and modular architecture
Reduction in interconnection and unit variants
Ease of operation and maintenance
High immunity against EMI and other external disturbances
Radio rebroadcast feature in both normal and secure mode.
Radio and Intercom monitoring facilities with split earphones with separate volume controls
Intercom in conference mode with I/C call and LIVE I/C features
Radio status and system health indication at every unit
