NorthStar MX500 Operator's & Installation Manual page 204

Installation Manual
Impedance:
Threshold:
Protection:
MOB/ Event input
Insulation:
Impedance:
Pull-up:
Threshold:
Protection:
Frequency:
Pulse width:
Alarm output
Signal levels:
Antenna voltage output
DC voltage:
DC current:
190
Technical Specifications
Minimum 500 Ohms, A- in relative
to B- in
Maximum 2 volt and 2 mA
±15 volt, A- in relative to B- in, ±50
volt
Maximum ±50 volt, input relative to
power supply lines
3.5 kOhm input relative to Refer-
ence GND
15 kOhm to internal 12 volt
Positive going maximum 2.3 volt,
input relative to Reference GND
Negative going minimum 0.6 volt,
input relative to Reference GND
Hysteresis minimum 0.6 volt
±25 volt, input relative to shield
±50 volt, input relative to external
power lines
Triggered with 50 mS bounce
control
Minimum 100 mS
When not in Alarm state, or after
acknowledged alarm: Normally
Open When in Alarm On state:
Closed to Ref. GND
12 VDC, +1.0 VDC loaded; (11.5
VDC nominal unloaded)
Maximum 500 mA at 12.0 volt DC
Version 3.0