JDTECK JD55-PR, Operating Instructions Manual, Page: 6 / 9

For PCS 1900 MHz System
6
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Warning
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When connecting the Donor / Service antenna to the Repeater Body,
Do not use too strong power. It is threaten to be connector defected.
2) Gain control switch
For system optimizing, you can adjust the system gain through gain control switch according to
the LED status and service quality of subscriber’s terminal.
In this case, start from step 4 to step1.
3) ALARM LED
Can be checked the operating status through LED Lamp in front of Repeater body. If there is
any failure status, follow the instruction of the above 2) Gain Control Switch over and over.
If RED LED on , the repeater is stopped automatically to avoid any damage. For rebooting the
repeater, must be supplied power again.
Being still kept failure status despite of , remove the power supply from the repeater.
4) Power Supply
Exterior adapter having AC 110 V input supplies DC 7 V power to the repeater to run active
circuits. Blue LED On is normal status.
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Warning
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Gain being set up to 43dB in the factory.
Please adjust it as field condition