Amplitec C20L-DCS Руководство пользователя - Страница 8
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Band
Gain
Pout
LCD Indicators
Work
ISO
ALC
LCD control
@Max. Gain, input uplink signal keep lower than -85dBm(idle threshold value) for
Idle Shutdown
more than 5 minutes, uplink PA OFF. When input uplink signal is more than -80dBm,
uplink PA will auto be ON immediately.
Real-time
When test the downlink and find it self-excited(isolation is lower than gain value),
Self-excitation
device will derate power; when it is severe self-excitated(isolation is 15dB lower than
Elimination
gain value or more), device will be auto shut down.
When severe self-excitation occurs, it will be auto shut down(When isolation is
beyond ALC range, PA of uplink and downlink will be OFF. Device will be auto
Auto Shut Down
restarted after 30±5s and will keep trying. If isolation is more than ALC range for 5
times, it will be permanently OFF until power-on again.
Power Supply
Power Consumption
RF Connector
IP Grade
Operating Humidity
Operating Temperature
Uplink
Display working frequency
Display gain of uplink and downlink
Display downlink output power
Normal working: light up; Uplink shut down: light off
Normal working: light off; Derating: light up; Auto shut
down for self-excitation: light up and flash
Not active: light off; Active 5-10dB: light up; Active
15-29dB: light up and flash
Gain
DC: 5V
< 6 W
N-Female
IP40
< 90%
0℃ ~ +50℃
7
Downlink