Epcom EP20-TB-2600 Podręcznik użytkownika - Strona 8
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Items
Auto Level Control Range
Max. input power without damage
Intermodulation Products
Spurious
Emission
1GHz~12.75GHz
Manual Gain Control Range, 1dB step
Noise Figure
ACRR(W)
EVM
Time Delay
RUN Indicator
ALC Alarm
Active 5 ~ 10dB
Indicator
Active 15 ~ 25dB
LCD Screen
@ max gain, UL input signal is ≦ -80dBm (threshold value) for 5±1 continuous minutes, UL
Auto Stand-by
PA will turn OFF; when UL input signal is > -75dBm, UL PA will turn ON immediately.
Real-time isolation check & alarm: if self-oscillation occurs (isolation is lower than gain),
Self-oscillation
device auto degrade the gain to cancel the self-oscillation; If it is severe self-oscillation
Cancellation &
Auto Shut-off
If input power is out of ALC range, UL and DL PA will be turned OFF in 5s. The system will
Over Input
automatically restart the device every 30±5s. If input power is out of ALC range for 5 times
Shut-off
after re-starting, the device will be permanently turned OFF until it is powered on again.
Power Supply
9KHz~1GHz
5MHz
10MHz
Normal
Idle Turn-off
ISO alarm
(auto degrading of system gain, because of insufficient isolation)
Not working
Not active
Band
Gain
Pout
Work
ISO
ALC
(isolation ≦ gain value of -15dB or below), the device will be automatically shut off.
Uplink
Green & flashing
Display of frequency band
Display of UL & DL Gain
Display of DL Output Power
Working normally: displayed,
Auto shut-off: not displayed
Working normally: not displayed;
isolation alarm & auto degrading gain: display;
Auto shut-off for severe self-oscillation : displayed & flashing
Not active: not displayed;
active @ 5-10dB: displayed;
active @15-29dB: displayed & flashing
DC: 12V (AC: 110 - 240V)
7
Downlink
≥30dB
0 dBm
≤-40 dBc
≤-36 dBm
≤-30 dBm
0 - 31dB
≤8 dB
≥ 20dB
≥ 20dB
≤ 8~12.5%
≤1.5 μs
Green & ON
Orange
Red
Green
Orange
Red