Nikrans NS-2500GDW, Руководство по установке

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the mobile network.
The repeater also has Manual Gain Control (MGC) feature that enables users/ engineers to reduce the gain of the repeater
manually with the help of a touch screen, if any oscillation is detected.
In this case, the “Smart” function must be disabled. The repeater LED indicators will change their color in case of a too strong
input signal or oscillation detected. Thus, the Alarm LED located on the front panel will turn from green to orange or red
(depending on the strength of the input signal).
After switching on the repeater, check first the POWER and ALARM LEDs.
Status and definition of the POWER indicator:
Status Definition
Green Normal
Off DC power problem
Status and definition of the ALARM indicator (EGSM, DCS, WCDMA) :
Status ALARM
Green
It is working in linearity
Note: Input signals may be not enough, please pay attention to the readings displayed by the device. Do not
do anything if it is good; otherwise please adjust the repeater system to get better source signal.
Green
Flickering
It is working with slight oscillation.
AGC is activated at 1~10dB.
Orange
Flickering
It is working with medium oscillation.
AGC is activated at 11~20dB.
Red
Flickering
It is working with high oscillation.
AGC is activated at 21~30dB, and the repeater will shut off after 5 seconds of the LED flickering red.