Sensaphone 1400 - Manual (Page 119)

Appendix E: Technical Specifications
117
APPENDIX E: 1400 Technical Specifications
Environmental Inputs
Number of Zones: 4
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: 28KΩ to 2.5V (temperature/contact) or
250 Ohms to ground (4–20mA)
A/D Converter Resolution: 10 bits ±2 LSB
Zone Protection: Metal oxide varistors, 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: 2.2KΩ
Phone Interface
Terminals for connection to a two-wire analog telephone line
Line seizure terminals for connecting extension telephone devices
LED Indicators: (4) 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