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TM 11-5821-333-12
1-9. DESCRIPTION OF MAJOR COMPONENTS. Continued
The Adapter, Data Rate CV–3885/ARC-201(V) provides interface between the AN/ARC-201(V) RT and analog
data devices such as TACFIRE. It conditions data signals to the 16 kb/s digital rate required by the RT. It also
interfaces with the KY-58 COMSEC equipment. The adapter controls the operating mode of the RT and KY-58 to
establish digital or analog operation. The radio connector on the data rate adapter (DRA) connects to the RT
either directly or through the Z-AHQ COMSEC interface adapter. The intercom connector connects to the inter-
com either directly or through the Z-AHQ COMSEC interface adapter. The COMSEC radio and audio/data con-
nectors on the DRA connect to the KY-58 COMSEC equipment (if used).
The Fill Devices, ECCM MX-10579/VRC and MX-18290/VRC store frequency hopping fill data. The
MX-10579/VRC is used with RT-1476, RT-1477, and RT-1478RT. The MX-18290/VRC maybe used with all RTs.
The ECCM fill devices can receive fill data from another ECCM fill device. Thirteen FH hopsets or lockout sets and
two TRANSEC variables may be loaded into memory. TRANSEC variables are loaded into Non-lCOM radio sets
only.
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