Fire Telephone Panel User Manual
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1.3 Hook extension sound and light alarm device. When the extension and
switchboard call, the corresponding extension indicator light, sound and light
alarm stop.
1.4 Device can simultaneously call multiple extensions. Each extension can be
inserted at any time or to exit.
1.5 Digital recording equipment, reliable, durable and automatic recording of each
call.
1.6 All keys on the device panel touch keys are used, feel good, beautiful, reliable
and durable.
1.7 Device working conditions: temperature 0 ~ 40
℃
, relative humidity 40% to 85%,
no vibration.
2 Technical indicators
2.1 Power supply: AC 220V10% 50Hz
DC 24V10%
2.2
Operating Current AC: ≤0.5A
2.3 Extension loop resistance (including resistance phone): not more than 1000
phone.
2.4 Frequency range: 300 ~ 3400Hz (± 3 dB)
2.5 cross talk level: less than -60dB (600 ohm load)
2.6 Transmission attenuation: less than 5dB
3 Wiring diagram
3.1 Overall structure and size:
进线/出线孔
开
关
电源
F FWD
REC
PLAY
STOP
REW
0
25
50
75
%
100
9251/B
火警电话主机
11
06
16
10
05
09
04
15
14
08
03
13
07
02
12
01
电源
自动119
330
385
135
200
245
1
2
3
4
5
6
7
8
