Installation guide

Figure 2: Power Supply and Connections Board

1. AC Power Connector

(N=Neutral, L=Live)

2. AC Fuse

3. Terminal Block

4. Back Tamper Connector

5. AC to AC Transformer

6. Front Tamper Switch

7. Flat-Cable Interface Connector to

the Main Board

8. Battery Connector

9. PGM Control Jumper (JP1)

Figure 3: Main board

1. Built-in Sounder Connector

2. Buzzer

3. LCD Contrast Control

4. USB Port

5. SIM-Card Holder

6. Speaker Connector

7. Flat-Cable Interface Connector to the Power Supply and Connections Board

8. Sounder Strength Control Jumper (JP1)