Sensaphone 1400 - Manual (Page 21)

Chapter 1: Introduction
19
LAYOUT
Figure 1: 1400 diagram
1. Programming Keypad
2. Grounding Terminal
3. 9
vdc
Power Terminals
4. N.O./N.C. Relay Output
Terminals
5. 4 Zone Terminals
6. Power Button
7. Phone Network/Extension
Terminals
8. External Mic Terminals
9. Built-in Condenser Mic
10. System On LED
11. Phone-in-use LED
12. Output On LED
13. Battery OK LED
14. Zone Alarm LEDs