Motorola STU-III/R Instruction Manual

STU m/R
R E M O T E C O N T R O L L A B L E S E C U R E
VOICE/DATA TERMINAL
OPERATION, INSTALLATION AND
M A I N T E N A N C E M A N U A L
MOTOROLA INC.

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STU II
R E M O T E C O N T R O L L A B L E S E C U R E
VOICE/DATA TERMINAL
OPERATION, INSTALLATION AND
M A I N T E N A N C E M A N U A L .
March 1991
Consult with local security authority for security procedures
applicable to the control and use of the STU-III/R.
Motorola Document Number 68-P39024D001

Table of Contents
Chapter 1General Description
H O W T O U S E T H I S M A N U A L . .
STU-III/R FEATURES
T E C H N I C A L S P E C I F I C A T I O N S .
RELATED PUBLICATIONS
1-1
1-3
1-5
1-6
Chapter 2Modes of Operation
STU-III MODE
STU-II MODE
T E L C O / B L A C K D I G I TA L O P E R AT I O N . . . . 2 - 2
RED ANALOG/DIGITAL VOICE
OPERATION
2-1
2-1
2-2
Chapter 3Controls, Indicators, and
Connectors
CONTROLS
INDICATORS
CONNECTORS
R C I C O N N E C T O R ( J 4 ) . .
Remote Control ..
Analog Voice ....
Pu s h t o Tal k ( P T T)
LPC Input Enable
RED DATA /DIGITAL CON NECTOR (J3) ... 3-6
Red Digital Data
Red Digital Voice
B L A C K D I G I TA L C O N N E C T O R ( J 5 )
TELCO CONNECTOR (J6)
POWER CONNECTOR (Jl)
3-1
3-2
3-3
3-3
3-3
3-3
3-3
3-4
3-6
3-7
3-9
3-11
3-13
1

S T U - I I I F I L L D E V I C E / C I K C O N N E C T O R . 3 - 1 4
STU-II FILL CONNECTOR .
BATTERY COMPARTMENT
3-14
3-14
C h a p t e r 4 I n s t a l l a t i o n
UNPACKING
C H E C K I N G O F T H E C O N T E N T S
L O C AT I O N R E Q U I R E M E N T S . .
MOUNTING
4-1
.4-1
4-3
4-3
4-3
STU-III/R Terminal Mounting ..
Power Supply Mounting
SYSTEM CONNECTIONS
RCI Connection
Red Digital Connection
Black Digital Connection
Power Supply Connection
TELCO Connection
4-5
4-6
4-6
4-6
4-6
4-7
4-7
POWER-UP
CONFIGURATION
U K I N S T A L L A T I O N
4-9
4-9
4-10
Chapter 5Fill Devices &Cryptographic
Ignition Keys
STU-III FILL DEVICES
STU-II FILL DEVICES
KOI-18
KYK-13
CRYPTOGRAPHIC IGNITION KEYS
(CIKs)
5-1
5-2
..5-2
5-3
5-4
11

C h a p t e r 6 C r y p t o g r a p h i c
Procedures
FILL PROCEDURES
STU-III FILL PROCEDURE
STU-III REKEY
STU-II FILL PROCEDURE
F I L L E R R O R P R O B L E M S O L V I N G
ZEROIZING STU-III/R
SELECTIVE ZEROIZATION
EMERGENCY ZEROIZATION ...
6-1
6-1
6-2
6-3
6-4
6-5
6-5
6-6
Chapter 7Maintenance
BATTERY REPLACEMENT
F U S E R E P L A C E M E N T . . . .
INSPECTION OF CABLE
CONNECTIONS
C A R E A N D C L E A N I N G . . .
7-1
7-3
7-4
7-4
Chapter 8Troubleshooting
ERROR INDICATORS
FILL ERROR
HARDWARE FAULT
SECURITY FAULT
RCI ERROR MESSAGES
FAULT ISOLATION
NO POWER
NO RCI RESPONSE
R E D D I G I T A L A N D B L A C K D I G I T A L
PROBLEMS
NO DIAL TONE
NO CLEAR AUDIO
8-1
8-2
8-2
8-2
8-2
8-2
8-3
8-3
8-3
8-4
8-4
111

Chapter 9Security
COMSEC CUSTODIAN
SECURITY AWARENESS
LOST OR STOLEN CIK
NET VARIABLE UPDATE
TEMPEST PROTECTION
EQUIPMENT CLASSIFICATION
9-1
9-1
9-1
9-2
9-2
9-2
Chapter 10 Warranty and Service
W H A T T H I S W A R R A N T Y C O V E R S A N D
FOR HOW LONG
A D D I T I O N A L F E A T U R E S O F T H I S
WARRANTY
HOW TO OBTAIN WARRANTY
SERVICE
L I M I T A T I O N S O F T H E W A R P i A N T Y . . . .
R E M E D I E S A V A I L A B L E T O T H E
GOVERNMENT
D I S A G R E E M E N T S P E R T A I N I N G T O
THE WARFiANTY
GENERAL PACKING AND SHIPPING
INFORMATION
10-1
10-1
10-3
10-4
10-5
10-5
10-6
Appendices
ARCI Error Messages
Acron}ans and Abbreviations
A-l
BB-1
Index i-i
IV

List of Illustrations
Page
Figure
STU-III/R Front Panel
STU-III/R Rear Panel
Contents of STU-III/R Shipping Package
STU-III/R Mounting Hole Locations ...
Power Supply Mounting Hole Locations
KOI-18 Fill Device
KYK-13 Fill Device
Zeroize Switch
Battery Replacement
Fuse Replacement
3-1
3-1.
3-43-2.
4-2
4-1.
4-4
4-2.
4-5
4-3.
5-2
5-1.
5-3
5-2.
6-6
6-1.
7-2
7-1.
7-3
7-2.
List of Tables
Page
Table
3-2
Status Indicators
RCI/Red Analog (J4)
Red Analog Voice Interface
Red Data/Digital Interface (J3)
Red Digital Voice Signal Descriptions
Black Digital Interface (J5)
Black Digital Signal Descriptions ...
2-Wire TELCO Interface (J6)
4-Wire TELCO Interface (J6)
TELCO Interface Specifications ....
Power Supply Interface (Jl)
TELCO Parameter Options
Fill Exception Summary
Error Indicators
Equipment Classification
3-1.
3-5
3-2.
3-6
3-3.
3-7
3-4.
3-8
3-5.
3-93-6.
3-10
3-7.
3-8. 3-11
3-113-9.
3-12
3-10.
3-11. 3-13
4-84-1.
6-56-1.
8-1
8-1.
9-39-1.
V

Chapter 1
General Description
The STU-III/R is aVoice/Data Encryption unit with an integral
wi r e l in e m o d e m. I t i s s i m il a r i n f u nc t i o n t o th e M o t o ro l a
SECTEL family of secure telephones, but its purpose is different.
The STU-III/R has no handset or display, and is not intended to
be operated directly by auser. Instead, the STU-III/R is
controlled by an External Remote Controller (ERC) which, in
most cases, is asecured PBX called ared switch. Aminimal
user interface is provided for setup and maintenance functions.
The STU-III/R is typically rack mounted and installed in aPBX
equipment room. Power for the STU-III/R is provided by an
external 90-265 V(117 Vac, 305 mA, 36 watts nominal), 50-
440Hz power supply.
H O W T O U S E T H I S M A N U A L
Chapter 1General Information
Contains abrief description of information found in each chapter
along with asummary of equipment capabilities, features, and
technical specifications.
Chapter 2Modes of Operation
Describes the different operating modes of the STU-III/R.
Chapter 3Controls, Indicators and Connectors
Describes the controls, indicators, and connectors of the STU-
III/R.
Chapter 4Installation
Describes the unpacking, checking of the contents, location
requirements, mounting, system connections, and the power-up
procedure, necessary to prepare the system for operation.
1-1

Chapter 5Fill Devices and Cryptographic Ignition Keys
(CIKs) Describes the STU-II and STU-III fill devices and CIKs.
Chapter 6Cryptographic Procedures
Contains procedures for filling the terminal Avith STU-II and
STU-III keying material, updating the NET variable, and
performing zerioize functions.
Chapter 7Maintenance
Contains the procedures for the care and cleaning of STU-III/R,
battery replacement, fuse replacement, and the inspection of the
cable connections.
Chapter 8Troubleshooting
D e s c r i b e s c o m m o n e r r o r c o n d i t i o n s a n d i s o l a t i o n o f f a u l t s .
Chapter 9Security
Describes the equipment classification levels and protection of
the Communications Security (COMSEC) equipment.
Chapter 10 Warranty and Service
Contains information regarding the STU-III/R warranty and
how to obtain service assistance.
Appendix -Lists the abbreviations and acronyms that are
pertinent to the STU-III/R.
1-2

STU-m/R FEATURES
T h e S T U - I I I / R f e a t u r e s i n c l u d e :
●High quality voice, and high speed data operation at 9600 bps
●4800 bps voice operation according to government
standard CELP 3.1
●Interoperability with the STU-III family of equipment
●Interoperability with STU-II (KY-71) equipment in Net
Broadcast Mode
●External modem connection which provides black digital
network operation
●Black Digital alerting capability including global and
dedicated operation
●Emergency zeroize switch on the front of terminal
●Selectable clear/secure or secure only operation
●Selectable 2/4-wire TELCO interface with many configuration
options
●Red digital voice output to facilitate digital conferencing
●Selectable VOX or push-to-talk half duplex transmission
initiation
●Simple user interface for performing fill operations
●Ruggedized design for use in industrial and airborne
environments
1-3