User Manual

Repeater User Manual
SmartCell Repeater
32
* Add equal amounts of Uplink and Downlink
attenuation until the Uplink Output Power is less than
the Uplink Upper Limit.
* Set the ALC Uplink Limit on the RF Configuration
Page to a value lower than the Uplink Upper Limit
Uplink Power
at coverage
port too
high
Uplink Input Power is
higher than -25dBm
* Check the direction of Coverage antenna
* When another device is connected to the Coverage
port as DAS System
1) Add an attenuator on Coverage port, or
2)
Uplink to adjust the output of the additional
equipment.
Uplink
Synthesizer
failure
(Uplink
Hardware
failure)
Synthesizer (in uplink
path) has occur
Failure
* By using a switch on the back of the repeater, resets
the power
* Call to GST’
s Tech Support Team and exchange the
AMP unit.
Uplink
(Downlink)
Software
failure
When an alarm
occurs in DFM's at
the AMP unit.
* By using a switch on the back of the repeater, resets
the power
* Call to GST’s Tech Support
Team and exchange the
AMP unit.
Oscillation
detected/Lo
w isolation
Insufficient isolation
is detected when the
Repeater is at
minimum gain
* Verify that the Donor antenna is on the same side of
the building as the Donor site, and if needed, raise the
Donor antenna up on a pole.
* Change the types of antennas used, such as Yagi to
Corner-
Reflector for outdoors, and Omni to a Panel for
indoor use.
* Move the closest indoor service antenna farther away
from the outside Donor antenna.
* Close the repeater door if opened and verify that the