TO 31S9-4-38-1 Chg 2
Table 3-1. Operator's Controls
Control or indicator
Operating mode switch (Key operated, 3-position rotary)
Selects the control unit operating mode (access,
test/reset, or secure).
Key removable in SECURE position only.
AC POWER (indicating lamp)
Illuminates when ac power is applied to the unit.
Duress/intrusion alarm display
Light emitting diodes illuminate to indicate
respective duress or intrusion alarm input.
Display reset by moving operation mode switch to
ACCESS or TEST/RESET then back to SECURE.
LATCH/NON LATCH (2-position toggle switch)
Controls mode of operation for the delayed alarm output
presented at terminal S1-D as follows:
LATCH position - Normal operating position. Permits
latched alarm conditions to remain until reset by
positioning operation mode switch to TEST/RESET.
NON LATCH position - Limits latched alarm output at
terminal S1-D to 10 ± 2 sec. or until alarm disappears.
TRANSMITTER RESYNC (pushbutton switch)
When pressed, resynchronizes operation of Data
Transmitter T-1257 ( )/ FSS-9(V) and Data Receiver R-
1861 ( )/FSS(V). Refer to TM 5-6350-262-14/11.
POWER (2-position toggle switch)
Connects ac power and emergency battery power to
control unit power supply.
Sonalert (audible alarm)
Sounds when the operation mode switch is at
TEST/RESET and a duress, intrusion, or tamper alarm is
received at the control unit.
Tamper switch (fig. 1-3)
Normal position - Detects opening of enclosure door.
Plunger pulled out - Bypasses the alarm function of the
Section II. OPERATION
c. Pull out tamper switch plunger to the tamper alarm bypass
This section contains instructions for starting operation from a
shutdown condition, operation, and shutdown. Following
d. Place LATCH/NON LATCH switch to the required position.
preliminary starting, the control unit is normally unattended
e. Place POWER switch to ON. Observe that the AC
except for brief periods during organizational level routine
POWER indicator is illuminated.
inspection and maintenance, an actual alarm, or to allow
f. If applicable, press TRANSMITTER RESYNC switch.
access into a controlled area. The operating instructions are
general in nature and provide only the necessary steps to
respond to the three conditions; inspection and maintenance,
If applicable, step g must be performed
access, and alarm.
Before operating the control unit,
with the assistance of direct support
personnel should be thoroughly familiar with the overall
(intermediate) and general support
function and operation of the control unit and J-SIIDS.
3-4. Preliminary Starting Procedure
g. Clear all alarms before proceeding.
a. Place key in operating mode switch and turn it to the
h. Close and lock door. Remove key.
b. Place key in door lock. Unlock and open door.
i. Turn operating mode switch to SECURE and remove key.