The DS-PM-RSI8 expander is used with network security control panel via RS-485
It supports Normally Open (NO) or Normal Close (NC) monitoring zone input with
the wiring of 2.2K/3.3K/5.6K/8.2K terminal resistances (EOL).
It supports tampering alarm (with the wiring of 2.2K EOL only).
Alarm Input 8ch, supports tamper alarm
Tamper Switch 1
RS485 Interface 1
Dial Switch 5, Binary dialing
Indicator 3 Red/Green LED: communication, status, running
Power Supply 12V
Working Temperature -10℃ ~ ＋55℃
Working Humidity 10％ ~ 90％
Dimensions(L x W x H) 132.5mm x 74mm x 28mm