Sensaphone 1800 - Manual (Page 124)

Sensaphone 1800 Manual
122
APPENDIX E: 1800 Technical Specifications
Environmental Inputs
Number of Zones: 8
Zone Connector: terminal block
Zone Types: N.O./N.C. contact, 2.8K (-109° to 115° F; -85° to
57°C) and 10K thermistor (-87° to 168° F; -66° to 76°C), and
4–20mA (-10,000 to 10,000)
Zone characteristics: 10KΩ to 5V (temperature/contact) or 237
Ohms to ground (4–20mA)
A/D Converter Resolution: 10 bits ±2 LSB
Zone Protection: Gas discharge tubes, PTC fuses, and fast acting
diode clamps
Microphone
Internal: for recording custom voice messages
External (optional): For listening in to on-site sounds and high
sound level alarms
• Mic Connector: terminal block
• Mic Type: Electret Condenser
• Mic Impedance: 2.2K
Phone Interface
Terminals for connection to a two-wire analog telephone line
Line seizure
LED Indicators
: (8) Zone Alarms, Sound, Power, Battery OK,
Phone in Use, Output On, and System On
Relay Output
: 2A 120VAC/2A 24VDC—Programmable for
automatic or manual switching