Appendix E Specifications, Phone Interface

Appendix E: Specifications

Alert Inputs

Number of Inputs: 8 (thermistor installed on input #1 for local temperature monitoring)

Input Connector: terminal block

Input Types: N.O./N.C. contact, 2.8K thermistor (-20 to 150° F or -30 to 65° C)

Input Characteristics: 5.6K to 5V (Short circuit current: 1mA max.)

A/D Converter Resolution: 10 bits ±2 LSB

Input Protection: 5.5VDC Metal Oxide Varistor with fast acting diode clamps.

Microphone

Internal Electret Condenser: For listening in to on-site sounds and detecting high sound levels.

6' Cord w/RJ11 Plug: For connection to a two-wire analog telephone line.

Extension RJ11 Jack: For connecting other devices on the same telephone line.

Line Seizure RJ11 Jack (Model 1118 Only): Devices connected to this jack are disconnected in the event that the 1118 must dial out for an alarm.

Phone Line Protection: Metal Oxide Varistor & self-resetting fuse

System LED: On steady when the unit is in RUN mode. LED blinks once every few seconds while in STANDBY mode.

Rated for 2A 30VAC/2A 30VDC maximum.

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