| Power consumption |
4 W at 48 V without keypads |
| External power supply |
18 to 56 VDC |
| Microphone |
|
| Sensitivity |
-63 to -48 dBV |
| SNR |
>60 dB at -55 dBV |
| Frequency response |
340 Hz to 14 kHz (-3 dB) |
| Loudspeaker output |
|
| S/N |
80 dB ±3 dB at max. |
| Impedance |
8 to 32 ohm |
| Power |
100 mW typ., 300 mW max. |
| Headset |
|
| Input sensitivity |
-52 to -37 dBV |
| Earphone impedance |
>16 ohm |
| Status outputs |
5 x open collector / drain |
| Max. current (internal) |
10 mA per pin; 30 mA total |
| Max. voltage |
56 V per pin |
| Max sink current |
100 mA per output pin |
| Control inputs |
2 x |
| Operation |
Closing contact (with supervision) |
| Dimensions (H x W x D) |
43 x 183 x 164 mm(1.69 x 7.20 x 6.46 in) |
| Weight |
0.8 kg (1.76 lb) |
| Mounting |
Stackable metal enclosure |
| Operating temperature |
-5 ºC to +55 ºC (+23 ºF to +131 ºF) |
| Storage and transport temperature |
-20 ºC to +70 ºC (-4 ºF to +158 ºF) |
| Humidity |
15% to 90% |
| Air pressure |
600 to 1100 hPa |
