7.
TSEC/KY-68 digital subscriber voice terminal.
Status: STD-A; NSN: 5810-01-082-8404
General Information
The DSVT KY-68 is used for encrypting/decrypting voice traffic and provides secure digitized data
traffic. It operates as a full-duplex or half-duplex voice/data subscriber terminal at 16 to 32 kb/s. The
KY-68 provides secure and nonsecure access to the switched networks and secure access to nonswitched
networks. Handset H-350/U is normally issued with the DSVT and includes a PUSH-TO-TALK switch
which is used when the DSVT is operating in the half-duplex mode to allow for voice transmission. The
terminal consists of a five-position function switch, audio and ring volume controls, ring/busy,
extension, and nonsecure warning indicators. The DSVT provides a digital communications interface
with TRI-TAC and MSE circuit switches. The DSVT KY-68 also has a data port for interfacing the
communications terminal (CT) and AN/UXC-7.
Technical Characteristics
Channel Interface-Field Wire ............................................... 4-wire field cable
Power Requirement................................................................-21 to -56 V DC (DC voltage is
provided by the auxiliary power
supply HYP-71/TSEC)
Weight.................................................................................... 6.3 kg (14 lbs)
SS 0029
1-12
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