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4.1.4 Check Status Door

The applications to check the status door and electromagnetic lock can be done

by everyone. Users can send SMS command by typing “STATUS” to the GSM modem.

each users will automatically received and SMS that concern about the status door and

electromagnetic lock from GSM modem.

Figure 4.4 Block Diagram Application Check Status Door

4.2 Application Security System

To make this system more specific and effective, security system has be used in

this system. These security system was include safety alert warning system comprising,

users, password and the instruction.

Sent SMS

Received SMS

STATUS

ALARM = IDLE

DOOR = CLOSE

LOCK = ON

Admin &

Registered User&

Unregistered User

GSM

Depending on the

status door at the

moment

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Witura WT-9001 IP65 Spezifikationen Seite 57