Specifications
Ring relay contact
Normally open, max 50 mA 30 V
Call status relay contact
Normally open, max 50 mA 30 V
Record audio level (RJ12 jack)
Nominal -12dBm, 600 Ohm
Record audio level (3.5mm jack)
Nominal -52 dBu, microphone level
Operating T emperature
Humidity
Dimensions (H x W x D)
Weight
Compatibility
0 °C to 50°C, (32°F to 122°F)
5% to 95% Relative Humidity
1.25 x 3.75 x 4.65 inches
3.2 x 9.5 x 11.8 centimeters
4oz,104g
M3902*, M3903*, M3904*, M3905*
* equipped with 3900 series ACM and power supply
External Alerter and Recording Interface Installation And Application Guide
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