Verify Tx/Rx Path Gain Budgets
Pre-Installation Requirements
3-12
Ocean TRx™ 4500 Installation and Operations Manual
For short range ADE-BDE connections (up to 30m), use a 30m LMR-200 cable (in order to
achieve sufficient cable loss) or use the following CCU rear-panel attenuator selectors:
BDMX ATTEN RX Selector
– Select Rx Attenuator (“I” position: 0dB, “0” position: 8dB)
BDMX ATTEN TX Selector
– Select Tx Attenuator (“I” position: 0dB, “0” position: 15dB)
Figure
3-8: CCU Rear Panel Attenuator Selectors
The following figures show attenuation calculation charts for the LMR-200, 400, and 600
cables:
Figure
3-9: LMR-200 Cable Attenuation
