Nikrans NS550-GSM+4G, Руководство по установке

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Three band repeater display and operation interface
1. The1
st
line shows the working status of Band 1 – EGSM 900 MHz
2. The 2
nd
line shows the working status of Band 2 – LTE800MHz or 2600 MHz (according to the modification of the
booster model).
3. 5 bars appearing next to the output signal strength indicator signify the maximum output power of the repeater. One
signal bar is 5 dB.
4. The input signal strength measured in dBm .
5. UL maximum gain .
6. DL maximum gain .
7. Uplink Sleep Mode . The uplink of the repeater is in standby mode when there is no call or data transmission. It will be
activated immediately when a call or a data exchange session are initiated.
8. Antenna Isolation Detection . After switching on the repeater for the first time, it will automatically detect the
oscillation between the outdoor and indoor antennas.
9. Press “Enter” to select or confirm the settings.
10. Back to the previous page or to cancel the settings.
11. Increase the gain.
12. Decrease the gain.
13. Smart The repeater can set the gain automatically to prevent the alarm.
LED indicator status and definition
In order to maintain required output signal levels, this repeater has in-built signal oscillation detection circuit to adjust the gain