User's Manual

It should not exceed +24.8 dBm for a single channel or +19.5 dBm for three channels
of CDMA system application.
It should not exceed +25 dBm for single channel or +19.3 dBm for three channels of
TDMA system application.
These power levels will guarantee the intermodulation products below -13 dBm, which is
in compliance with FCC regulation. After the output power level is set correctly, connect
the donor antenna cable to the "DONOR" port of the BDA.
b) Uplink Gain Setting.
Connect the indoor (service area) antenna cable to the "SERVICE" port of the BDA.
Initiate the call from the closest position of the mobile to the service area antenna.
Observe the yellow "Uplink AGC ON" light on BDA enclosure. The threshold of the
AGC in the uplink amplifier is factory preset at the gain that corresponds to the
intermodulation products level of -13 dBm. If the signal level is low and AGC light is not
"ON", slowly increase the gain of the downlink amplifier until the light will be lit. Back
off the potentiometer just below the level when the light is off.
Check the security of the installation and presence of the AC power. Amplifier is ready
for operation.
3. REMOVE BI-DIRECTIONAL AMPLIFIER
3.1 Unplug the AC cord from the socket. AC light on the amplifier must be off.
Disconnect all coaxial cables.
3.2 Dismount amplifier from the wall or remove it from the shelf.
4. SHIPMENT AND STORAGE OF THE BDA
4.1 Use common technical shop practices to ensure equipment protection during shipment
or storage.
5. TROUBLESHOOTING AND FAULT DETECTION
5.1 Check the presence of the AC power. The AC light must be on.
5.2 Check the continuity of all connecting cables.
WARNING!
110 VAC CAN BE LETHAL!
ALWAYS UNPLUG THE AMPLIFIER
BEFORE SERVICING THE INTERIOR.
.