Communication System Control Center
AN/USQ-64(V)
This control center is used to pass satellite data
traffic efficiently and bidirectionally between a ship and
shore. It turns associated transmitters on and off
according to a polling scheme. It also uses detection and
correction
and
sends
automatic
requests
for
retransmission to improve received data accuracy. The
ten AN/USQ-64(V) variations and their uses are as
follows:
(V)l—SSIXS shore installations
(V)2—CUDIXS shore installations
(V)3—SSIXS subscriber installations
(V)4—NAWCS shore installations
(V)5—TACINTEL ship subscriber, for passing
Special Intelligence (S1) data traffic bidirectionally
between a NCTS and fleet nets
(V)6—TACINTEL shore installations, for the same
purpose as (V)5
(V)7—OTCIXS: fixed submarine or shipboard
installations for passing TDP formatted data and
teletypewriter traffic
(V)8—TADIXS ship and submarine installations
(V)9—TADIXS Gateway Facility (TGF)
(V10)—Tactical Data Processor Controller
Interconnecting Group ON-143(V)/USQ
Each
ON-143(V)/USQ
configuration
varies,
depending on its particular use. It fits within limited
spaces aboard small ships and submarines, performing a
variety of functions related to several input-output
channels of the control processor. It provides red-black
isolation, synchronization of crypto units, level
conversions, and crypto test and alarm signals. It also
provides crypto control and interfaces baseband system
components with rf link equipment. An ON-143(V)
4/USQ is shown in figure 3-32.
Data Terminal Set AN/USQ-69(V)
The Data Terminal Set shown in figure 3-33 has a
15-inch diagonal screen on which a 2000 character page
can be displayed. The memory is available in two
Figure 3-32.—Interconnecting Group ON-143(V)4/USQ.
sizes, 2000 and 6000 characters. When memory
overflows as a result of computer output, a computer
interrupt is initiated. Overflow as a result of operator
input causes an audible alarm. This unit is currently used
with TACINTEL (ship) and NAVMACS.
Figure 3-33.—Data Terminal Set AN/USQ-69(V).
3-31
