Pre-Installation Requirements
Verify Tx/Rx Path Gain Budgets
OceanTRx
TM
4-500 Installation and Operations Manual
3-19
3.7.2
OceanTRx4-500 Dual System Configuration
3.7.2.1
Dual-System L-Band Tx Levels
The calculation of the Tx L-Band path takes into consideration all Losses & Gains of the
OceanTRx4-500™ system: CCU losses, Attenuation Set-Up in the CCU, DSS losses, LMR
Cable loss (according to the length and type), Cables / RJ losses in the pedestal, BUC
Power, BUC internal attenuation Set-Up, BUC Gain, ADMx / BDMx Tx Path Total Gain.
Tx Modem
LMR
RJ
ADMx
L Band
MUX
Band
MUX
Band
L Band
A
B
C
D
E
F
Attenuation
Gain
RF
Band
G
CCU1U
BUC
BDMx
MUX
Band
L Band
LMR
RJ
ADMx
MUX
Band
MUX
Band
L Band
b
c
d
e
f
Attenuation
Gain
RF
Band
g
BUC
DSS
BDMx
MUX
Band
L Band
Switch
Box
Figure
3-17: Dual OceanTRx4-500 L-Band Tx Path
