The DS-PM-RSI8 is RS485 8 inputs expander which is used with security control panel via RS-485. It supports Normally Open (NO) or Normal Close (NC) monitoring inputs with the wiring of 2.2K/3.3K/5.6K/8.2K terminal resistances (EOL). It supports tamper alarm (with the wiring of 2.2K EOL only).
Supports remote upgrade via client software
Supports multiple terminal resistances (EOL)
LED Indicator: communication, status and running