Access Command

TM 5-6350-262-14/5

NAVELEX 0967-466-9050

TO 31S9-4-38-1

LATCH/NON LATCH switch S5 has no affect on the audible

pin J9-D and applied to the coil of relay A9K3. The tamper

alarm output.

alarm input (20 volts dc) from connector pin J10-7 is now

routed out J10-18, through switch S5-8 to -9, and to connector

pin J8-5. The 20-volt tamper alarm signal is applied to, and

6-8. Access Command

activates, a 10-second timing circuit. When activated, the

timing circuit connects the return side of relay coil A9K3 to the

The 27.5 volts dc output from the power supply is fed through

ground buss and causes it to operate for 10 + 2 seconds. In

status processor connector pin P1-26, to audible alarm

this condition, an impendance greater than 100,000 ohms

module A8 connector pin J8-18, and applied to normally open

exists between connector pins J9-B and -4. This 10-second

contacts of relay A8K1. When operating mode switch S3 is

tamper alarm output signal is applied to latched alarm output

positioned to ACCESS, 20 volts dc from pin S3-2-1 is applied

terminals S1-D and DR concurrent with the instantaneous

to the coil of relay A8K1 via connector pin J8-16. When relay

alarm output. The 10-second non-latch tamper alarm is

A8K1 operates, 27.5 volts is output at pin J8-17 as an access

output in operating mode secure, test/reset, and access.

command signal. The signal is fed to terminal 7 of sensor

terminal boards A through E. The output signal will remain

(3) Audible Alarm. The tamper alarm signal (20 volts

until operating mode switch S3 is moved from the ACCESS

dc) from connector pin J10-7 is also applied to a SCR switch

position.

for relay A10K3. When a tamper alarm signal activates the

SCR switch, relay A10K3 will operate only if operating mode

6-9. Secure/Access Alarm

switch S3 is at SECURE or ACCESS. In the secure mode,

+20 volts dc is applied to the coil of relay A10K3 from pin 2-3

When operating mode switch S3 is at SECURE, relay A8K2 is

of switch S3 through connector pin J10-H. In the access

restored. In the restored position, an impedance greater than

mode, unregulated +27.5 volts dc is applied through

100,000 ohms exists between module A8 connector pin J8-2

connector pin J10-P from J8-17. With relay A1OK3 operated

and -3. This control unit secure signal is fed to output

the 5 volts dc no-alarm signal normally present at connector

terminals S-2 and 2R. If operating mode switch S3 is moved

pin J10-4 drops to less than 1 volt for an' alarm signal. From

to either TEST/RESET or ACCESS, even momentarily, a low

J10-4, the audible alarm signal is routed through operating

impedance signal of less than 2000 ohms lasting 4.5 to 6

mode switch S3 (pin 3-1 or 3-3 to 3-4) through normally

seconds is fed to output terminal board S. The 20volt buss is

closed contacts of relay A10K4 (pin J10-11 to -R), and out to

switched to the 4.5 to 6-second timing circuit from pin 2-1 or

terminal board L2-1. The audible alarm output signal will

pin 2-2 of switch S3 through connector pin J8-16 or J8-15

continue until the signal is unlatched by turning operating

respectively. Activation of the timing circuit connects the

mode switch S3 to TEST/RESET.

The position of

return side of relay coil A8K2 to the ground buss causing it to

operate

for

4.5

seconds.

6-7