info@kps.com.vn
+ 84 903 709 019
PRS-CSR
FEATURE
- Connects to call station interface via CAT-5 cable
- Up to 1 km from Praesideo optical network
- Uses standard Praesideo keypads for extension
- Built-in limiter
- Powered via CAT-5 and/or local power supply
- Complete supervision
TECHNICAL SPECIFICATIONS
|
Category |
Specification |
|
Electrical |
|
|
Power consumption |
4 W at 48 V without keypads |
|
External power supply |
18 to 56 VDC |
|
Microphone |
|
|
Nominal acoustic input level |
75 to 90 dB SPL |
|
SNR |
> 60 dB at 85 dB SPL |
|
Frequency response |
340 Hz to 14 kHz (-3 dB) |
|
Loudspeaker |
|
|
SNR |
80 dB at max. |
|
Sound pressure level |
85 dB (SPL) at 0.5 m and 1 kHz |
|
Headset |
|
|
Impedance |
0.5 to 5 kohm |
|
Input sensitivity |
-57 to -42 dBV/Pa (±3 dB) |
|
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) |
|
Mechanical |
|
|
Dimensions (H x W x D) |
20 x 130 x 118 mm (0.8 x 5.1 x 4.6 in) |
|
Weight |
120 g (0.26 lb) |
|
Mounting |
PCB 6 holes |
|
Environmental |
|
|
Operating temperature |
-5 ºC to +55 ºC (+23 ºF to +131 ºF) |
|
Storage temperature |
-20 ºC to +70 ºC (-4 ºF to +158 ºF) |
|
Humidity |
15% to 90% |
|
Air pressure |
600 to 1100 hPa |
