CHAPTER 2 OPERATING INSTRUCTIONS - TM-5-6350-264-14-P-50011

TM 5-6350-264-14&P-5

NAVELEX EE 181-AA-OMI-060/E121 SA-1955

T.O. 31S9-2FSS9-1-5

CHAPTER 2

OPERATING INSTRUCTIONS

Section I. OPERATING PROCEDURES

2-3. EMERGENCY OPERATION.

Operation with

2-1. CONTROLS AND INDICATORS. There are no

incomplete surveillance coverage or faulty tamper

operator controls or indicators applicable to this

circuit should be held to a minimum.

equipment.

2-2. NORMAL OPERATING PROCEDURES. The

BMS is operational after the magnet and switch

assembly are installed, tested, and hooked up to the J-

SIIDS Control Unit.

Section II. THEORY OF OPERATION

During installation, an adjustable biasing magnet is

2-4. FUNCTIONAL DESCRIPTION.

The BMS is

physically positioned within the switch assembly. This

basically a magnetically-operated switch. The BMS is

allows the switch assembly to stay within an inch (2. 5

activated by movement of a permanent magnet, which

cm) of the magnet holder without generating an alarm

moves along with the magnet holder, and provides an

signal and still cause the signal to be activated if the

intrusion alarm to the J-SIIDS Control Unit. Serving as

door or window moves beyond established limits. The

part of J-SIIDS, the BMS is installed on doors, windows,

switch assembly includes a tamper switch that provides

skylights, or like routes of access to secure areas. The

an alarm signal to the Control Unit any time the lid is

magnet holder is mounted on the moving part of the

removed from the switch assembly. Since the reed

access route (door or window itself), while the switch

switch is magnetically activated, no electrical power is

assembly is mounted on the frame so that it is located

required at the BMS installation (fig. 2-1).

between 114 (0. 635) and 1/2 inch (1. 27 cm) from the

magnet holder when the door, window, etc, are closed.

2-1