EnglishDeutsch
 logo
Brands
  1. Home
  2. •
  3. Brands
  4. •
  5. Motorola
  6. •
  7. Telephone
  8. •
  9. Motorola STU II/B SECTEL User manual

Motorola STU II/B SECTEL User manual

Other Motorola Telephone manuals

Motorola i275 User manual

Motorola

Motorola i275 User manual

Motorola V60 User manual

Motorola

Motorola V60 User manual

Motorola C115 User manual

Motorola

Motorola C115 User manual

Motorola i325 User manual

Motorola

Motorola i325 User manual

Motorola i870 User manual

Motorola

Motorola i870 User manual

Motorola L801 User manual

Motorola

Motorola L801 User manual

Motorola Ojo User manual

Motorola

Motorola Ojo User manual

Motorola Q GSM User manual

Motorola

Motorola Q GSM User manual

Motorola HS1101 User manual

Motorola

Motorola HS1101 User manual

Motorola HLN7016 User manual

Motorola

Motorola HLN7016 User manual

Motorola 9505 User manual

Motorola

Motorola 9505 User manual

Motorola StarTAC SC200 User manual

Motorola

Motorola StarTAC SC200 User manual

Motorola AX Series User manual

Motorola

Motorola AX Series User manual

Motorola NNTN5565A User manual

Motorola

Motorola NNTN5565A User manual

Motorola MOTO MT680 User manual

Motorola

Motorola MOTO MT680 User manual

Motorola T720i User manual

Motorola

Motorola T720i User manual

Motorola Evoke 68000201338-C User manual

Motorola

Motorola Evoke 68000201338-C User manual

Motorola I315 - SOUTHERNLINC User manual

Motorola

Motorola I315 - SOUTHERNLINC User manual

Motorola FXC-851 User manual

Motorola

Motorola FXC-851 User manual

Motorola ROKR E2 User manual

Motorola

Motorola ROKR E2 User manual

Motorola V150 User manual

Motorola

Motorola V150 User manual

Motorola Micro TAC Ultra Lite User manual

Motorola

Motorola Micro TAC Ultra Lite User manual

Motorola moto e7 PLUS User manual

Motorola

Motorola moto e7 PLUS User manual

Motorola CT50 User manual

Motorola

Motorola CT50 User manual

Popular Telephone manuals by other brands

GE 2-9480 user guide

GE

GE 2-9480 user guide

Geemarc PHOTOPHONE 155 user guide

Geemarc

Geemarc PHOTOPHONE 155 user guide

Interquartz Gemini IQ333 operating instructions

Interquartz

Interquartz Gemini IQ333 operating instructions

SSS Siedle HT 840-0 operating instructions

SSS Siedle

SSS Siedle HT 840-0 operating instructions

Panasonic ICX Quick reference guide

Panasonic

Panasonic ICX Quick reference guide

LG H870DS user guide

LG

LG H870DS user guide

Samsung GT-I9500 Service manual

Samsung

Samsung GT-I9500 Service manual

AT&T Trimline 205 user manual

AT&T

AT&T Trimline 205 user manual

Selta zenyth 600 user guide

Selta

Selta zenyth 600 user guide

Doro AFTI 20 user guide

Doro

Doro AFTI 20 user guide

UNIQCELL A1 user guide

UNIQCELL

UNIQCELL A1 user guide

Jabra SP5050 - Bluetooth hands-free Speakerphone manual

Jabra

Jabra SP5050 - Bluetooth hands-free Speakerphone manual

BT Decor 425 user guide

BT

BT Decor 425 user guide

NEC SV8500 Reference sheet

NEC

NEC SV8500 Reference sheet

Teledex PEARL user guide

Teledex

Teledex PEARL user guide

Ericsson Dialog 3213 user guide

Ericsson

Ericsson Dialog 3213 user guide

Yealink VP530 user guide

Yealink

Yealink VP530 user guide

Axess Telecom ACW-1xP800 user manual

Axess Telecom

Axess Telecom ACW-1xP800 user manual

https://manuals.online logo
https://manuals.online logoBrands
  • About & Mission
  • Contact us
  • Privacy Policy
  • Terms and Conditions

Copyright 2026 Manuals.Online. All Rights Reserved.

(g) MOTOROLA INC.
STU ll/B SECTEL
QUICK REFERENCE GUIDE
CONSULT WITH LOCAL SECURITY AUTHORITY FOR
S E C U R I T Y P R O C E D U R E S A P P L I C A B L E T O T H E
CONTROL AND USE OF THE STU II/B SECTEL.
The STU II/B SECTEL (Eigures 1and 2) secure telephone is interoperable
with existing STU II equipment. Eigures 1and 2show the buttons and indi¬
cators explained in this quick reference guide.
Message Display 16 Function Buttons
L^Key and
Identification Tag
kI
' a B a Q Q ' s Q '
' B l a B B Q E l a a .
I
?!
Lq ogqoog
?!
'(3 El E)
®E®
E®IE
EBIBI '
16 Memory
Dial Buttons
\B
0
siui>8SEaa
z
z15150-01
B-D-91-5
Telephone Keypad AUTOVON/IVSN Buttons
Figure 1. STU II/B SECTEL Top View
®,Motorola,andSECTELareregisteredtrademarksofMotorola,Inc.
©Motorola, Inc. 1991
Battery Compartment
Message Display Telephone Line Cord
Contrast Adjustment Knob
Zero Button
Data Interface RS-232C
STUII Fill
Connector 15141-02
A-D-91-4
T w i s t - L o c k P o w e r C o n n e c t o r
Figure 2. STU II/B SECTEL Back View
KEYPAD-A standard telephone keypad.
AUTOVON/IVSN BUTTONS -The four AUTOVON/IVSN buttons
provide the user with precedence capability. They operate as follows:
Sends aFlash Override signal (highest priority) to the AUTO VON or
IVSN network.
Sends aFlash signal (second priority) to the AUTOVON or IVSN net¬
work.
Sends an Immediate signal (third priority) to the AUTOVON or IVSN
network.
Sends aPriority signal (lowest priority) to the AUTOVON or IVSN
network.
MEMORY DIAL BUTTONS -Two rows of eight memory dial but¬
tons used for speed dialing and abbreviated dialing storage (ADS).
[f^
I
FUNCTION BUTTONS
The following list describes the function buttons.
Places the terminal in secure mode if avalid CIK is in¬
serted.
Places the terminal in clear mode; enables clear mode calls
during aloss of power.
Advances Message Display text to present additional infor¬
mation.Inprogrammode,pressISCROLlItoviewnext
step.
SECURE
CLEAR
SCROLL
FUNCTION BUTTONS (cont).
Alt e rna tes be twe en voi ce and s ecu re dat a comm uni cati on
modes. If set for 4800 bps secure operation, selects be¬
tween voice mode, simultaneous voice/data mode, and data
mode.
VOICE
DATA
TONE
PULSE Alternates between tone or pulse dialing.
Disables handset microphone to prevent other party from
overhearing the conversation.
Used to select one of three operational modes: KDC, Net
or Multipoint.
MUTE
MODE
Automatically repeats last dialing sequence entered.
REDIAL
Enters and exits program mode.
PRGM
Used to release and recapture phone line with handset off-
hook and for certain memory dial button functions.
Used to enter atime delay (1 to 9seconds) into any dialing
sequence.
Used to send asignal to access special telephone network
functions.
Increases either ringer volume when handset is on-hook, or
handset earpiece and speaker volume when handset is off-
hook.
RESET
PAUSE
HOOK
FLASH
VOL A
Decreases either ringer volume when handset is on-hook,
or handset earpiece and speaker volume when handset is
off-hook.
Alternately turns terminal speakerphone on and off when
operating in the clear voice mode or 9600 bps and 4800
bps secure voice mode.
VOL V
SPKR
Allows user to select modem bit rate of either 2400 bps
half-duplex, 2400 bps full-duplex, 4800 bps or 9600 bps.
MODEM
M E S S A G E D I S P L A Y
The message display (Figure 3) shows keypad entries, messages, and
prompts used to operate the terminal.
jE FHdH IJ KLN NO P
MUTE
VOICE
DATA
TONE
PULSE
SPEAKER
P R G M H D
2.4 4.8 9.6
●●●●●
H:
Figure 3. Message Display
The display consists of two rows of 16 characters each, located between the
13 annunciators.
The following annunciators (small messages on each side of the alphanu¬
meric portion) constantly indicate the current terminal operating mode and
dialing parameters.
Indicates terminal is operating in secure mode.
Indicates terminal is set for clear mode operation.
Indicates handset microphone is disabled.
Indicates terminal is set for voice mode operation.
Indicates terminal is set for data mode operation (only used in
secure mode).
Indicates terminal will send tone dialing signals when the user
enters phone numbers.
Indicates terminal will send pulse dialing signals when the user
enters phone numbers.
Indicates terminal is operating in program mode.
Indicates terminal is set to operate half duplex in the secure
mode. In secure mode, the person speaking has aT(transmit)
on the message display, while the listener’s shows an R(re¬
ceive). If message display does not show Tor R, the line is idle
and either party may begin speaking.
Indicates terminal is operating in speaker phone mode.
Indicates terminal operates at 2400 bps in the secure mode.
Indicates terminal operates at 4800 bps in the securemode.
Indicates terminal operates at 9600 bps in the securemode.
SECURE
CLEAR
MUTE
VOICE
DATA
TONE
PULSE
PRGM
HD
SPEAKER
2.4
4.8
9.6
SETTING LOCAL INFORMATION P L A C I N G S E C U R E C A L L S
1 . M a k e s u r e h a n d s e t i s o n - h o o k .
2. Press IPRGm] PRGM annunciator will
come on.
3 . P r e s s .
4.Press®.
5.Press®.
6. Enter the five-digit Local ID of the
STU II/B SECTEL .
KDC Mode -Self Call
Each time the terminal is filled with Unique
fill, the user must complete the following six
steps before placing aSTU II KDC Mode call.
1. Press
2. Insert CIK. Turn it one-quarter turn clock¬
wise.
3. Lift handset.
4. Enter local five-digit ID.
5. Call KDC
6. When call completed, hang up.
MODE t o e n t e r K D C m o d e .
SCROLL to save the entered ID.7. Press
8.Press®.
9. Enter the KDC phone number.
10.PressISCROLLI(qjf,gphonenumber.
11. Press to exit program mode.
KDC Mode
1.PressIMODEI
2. Insert CIK. Turn it one-quarter turn clock¬
wise.
3 . B e s u r e H D a n n u n c i a t o r i s o n f o r h a l f - d u -
plex calls; off for full-duplex calls.
4. Lift handset.
5. Enter five-digit ID or press memory dial
key for the far end equipment to be called.
6. Call KDC if prompted by terminal, or pro¬
ceed to next step.
7. Place clear call to other party.
8. Tell the other party you want to have ase¬
cure conversation.
t o e n t e r K D C m o d e .
PLACING CLEAR CALLS
1.Lifthandsetorpress[sPK^Listenfordial
tone.
NOTE
Press Iclear I K D C m o d e .
2. Be sure MUTE annunciator is off. If not,
the clear mode muted option has been set.
3. Dial phone number.
4. Speak into handset or speakerphone.
5. To end call, place handset on-hook or press
|spkr|
NOTE
Only the user that placed the call should press
][SECURE
PROGRAMMING MEMORY
DIAL LOCATIONS 9. PressI ^^CURE |jhe terminal takes 5-10
seconds to enter secure mode. During this
time, both handsets are disabled. SECURE
annunciator comes on when terminal enters
secure mode.
10. Speak into handset.
11. To end call, place handset on-hook.
1 . M a k e s u r e h a n d s e t i s o n - h o o k .
2. Press memory dial button to be pro¬
grammed.
3.Press®toprogramtheinformation.
4.Enterphonenumber,pressIMXX|tostore
and exit or, enter phone number, press
ISCROLLI^gnterfarendfive-digitID,and
two-digit Net number, press
n u m b e r s a n d r e t u r n t o i d l e m o d e .
5. Press IPBGM |at any time to return to idle
mode.
5. When programming is complete press
memory dial button to save.
Net Mode
1.PressImodeI
MXX t o e n t e r N e t m o d e .
2. Insert CIK. Turn it one-quarter turn clock¬
wise.
3 . B e s u r e H D a n n u n c i a t o r i s o n f o r h a l f d u ¬
plex calls; off for full-duplex call.
4. Lift handset.
5. Place clear call to other party.
6. Tell other party you want to have asecure
conversation.
7. Ensure far end user has the sam e n e t s e ¬
lected.
to store
SPEED DIALING
1 . L i f t h a n d s e t a n d l i s t e n f o r d i a l t o n e .
2. Press amemory dial button.
3. If number displayed is incorrect, press
]orplacehandseton-hook.[RESET
Net Mode (cont.)
NOTE
Only user that places the call should press
[secure I
UPDATING NET VARIABLE
Quick Net Update (Off-hook)
1. Press II, The PRGM annunciator will
come on.
2.PressISCROLLjt^yjQg
3. Press to select Net Update mode.
4.PressISCROLLI
5.Press0toupdatetheselectedNet.
6. Press IPRGM jterminal
o f f - h o o k c l e a r s t a t e .
SECURE
8. Press
The terminal takes 5-10 seconds to enter se¬
cure mode. During this time, both handsets are
disabled. The SECURE annunciator comes on
when the terminal enters secure mode.
to select Net.
r e t u r n s t o t h e
9. Speak into handset.
10. To end call, place handset on-hook.
NET SELECTION (Off-hook)
Multipoint Mode 1. Press IPRGM I, xhe PRGM annunciator will
come on.
2.Pre.ssISCROLL.
3.Press0toselectNetSelectmode.
4. Press ISCROLL I
N e t s 0 1 - 1 7 .
5.Press IPRGM j.The terminal returns tothe
o f f - h o o k c l e a r s t a t e .
1.PressIMODEItoenterMultipointmode.
2. In.sert CIK. Turn it one-quarter turn clock¬
wise.
3. Be sure VOICE annunciator is on for a
voice call; or DATA annunciator is on for a
datacall.PressIVOICE/DAT^tochange.
4. Place clear call to other party.
5. Tell other party you want asecure conver¬
sation.
or digit buttons to select
].TheSECUREannunciator D A T A R A T E S E L E C T I O N
(Off-hook)
SECURE
6. Press
c o m e s o n w h e n t e r m i n a l e n t e r s s e c u r e
mode.
PressIPRgIT|TpiigpRGMannunciatorwill
come on.
PressISCROLLI
Press0toselectDataPortsetupmode.
PressISCROLLIuntilthecorrectdatarateis
displayed.
Press[P00.Theterminalsreturntothe
o f f - h o o k c l e a r s t a t e .
1.
NOTE
BothusersmustpressISECUREjMultipoint
mode.
2. 3times.
3.
7. Speak into handset. 4.
NOTE
Secure Multipoint Mode functions in half du¬
plex only. 5.
8. To end call, place handset on-hook.
68-P30659M001