Comtech EF Data C5 - Manual (Page 30)

Introduction C5/K1/K3 Integrated Satellite Terminal System
1–10 Rev. 0
1.4.2 C-Band Outdoor Unit (ODU)
The ODU (Figure 1-6) consists of the following assemblies:
! Power Amplifier
! Up Converter/Block Down Converter
! Automatic Level Control
! Data Link for Fault Sensing and Control
! Switching Power Converter
! Radio Frequency Terminal
The ODU is a weatherproof C-Band up converter/transmitter that automatically adjusts
for cable losses and changes between the IDU and the ODU. The transmit (TX) power
level can be adjusted between +27 to +34 dBm. The ODU interfaces to the IDU using a
two coaxial cables. The cables consist of the following signals:
! Cable No.1
$ TX signal
$ M&C link
$ Reference OSC
$ DC power
! Cable No. 2
$ RX signal
Figure 1-6. C-Band ODU