For PCS 1900 MHz System
3
2. Function of Each part
1) DONOR ANT.
Port for connecting Donor antenna ( Patch Antenna )
2) SERVICE ANT.
Port for connecting Service antenna ( Dipole Antenna )
3) GAIN CONTROL SWITCH
Switch for controlling the system gain to optimize the service environment of Repeater.
For using this function, refer to the instructions of LED Alarm and Gain Control Switch as
following pages.
4) ALARM LED
There are two LED indicators on the unit. One is for displaying the Power Input Status, the other
is for operating status.
a. Power LED
The power indicator, marked “ Power “ acts as power alarm. It monitors the function of the
power supply.
Blue LED ON : Normal Status
LED Status
Red LED ON : Power supply failure
b. Automatic Shutdown Function
If there are some abnormal output powers on the uplink or downlink path, the repeater will be
shutdown automatically to avoid any problem.
Blue LED ON : Normal Status
LED Status
Red LED ON : Failure Status
If the red indicator lights up, it is designed that the related circuit operates to have the repeater
shutdown to protect repeater itself. Despite several corrections, the indicator is still kept red on,
it should be secured the isolation more between the donor antenna and service antenna.