Chapter 4
Communications Security Equipment
Section I. TSEC/KY-8
Programming Instructions
TSEC/KY-8
Operating Instructions (with Remote Control Unit)
TSEC/KY-8
Operating Instructions (without Remote Control Unit)
Section II. TSEC/KY-38
Programming Instructions
TSEC/KY-38
Operating Instructions
TSEC/KY-38
Local Remedy for Minor Problems
Section III. HYL-3/TSEC
Prestart Operating Procedures (all Modes)
HYL-3/TSEC
Retransmission Procedures
Section IV. TSEC/KY-57
Installation in Manpack Operations
TSEC/KY-57
Loading Procedures
TSEC/KY-57
Operating in the SECURE Mode
Section V. TSEC/KY-65
Installation in Manpack Operations
TSEC/KY-65
Installation in Vehicle Operations (AN/GRC-193A)
TSEC/KY-65
Installation in Vehicle Operations (AN/GRC-213)
TSEC/KY-65
Loading Procedures
TSEC/KY-65
Operations
Section VI. TSEC/KG-84A
Description
The TSEC/KG-84A is a dedicated loop encryption device (DLED). It is used to encrypt/decrypt teletypewriter and digital data traffic on dedicated links. It can be used for local or remote operations and will operate in the DUPLEX and the HALFDUPLEX modes. Unlike the TSEC/KW-7, which it replaces, the KG-84A will operate in the DUPLEX mode without an additional device. It can operate in the TRANSMIT and RECEIVE modes at the same time.
When used with Radio Teletypewriter Sets AN/GRC-122, AN/GRC-142, AN/VSC-2, and AN/VSC-3, the Installation Kit MK-2488/G must first be installed. Interconnecting Box J-4024/U interfaces the KG-84A with Teletypewriter Sets TT-98/FG, TT76/GGC, TT-122/TG, and TT-4/TG. For complete wiring details of the KG-84A in radio teletypewriter sets, see appropriate technical manual. Do not attempt to use the KG-84A without Installation Kit MK-2488/GR.
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