Star Microwave SM Cirius LM, User Manual

Page: 19 / 79

Cirius LM User Manual 2016 Page 19
1.3.7. DC Power
DC Power is provided to the terminal (IDU and ODU) via a two terminal connector.
The IDU accommodates -21 to -60 VDC. (Positive polarity versions are available.
Contact factory for more information.) For proper operation, connect DC power
interface to external power supply as follows:
•
Connect negative terminal of external supply to “-V” terminal
•
Connect positive terminal of external supply to “+V” terminal
1.3.8. ODU Interfaces
Each of the two N-Type ODU interface multiplexes the following signals to each of
the two interfaced ODUs:
•
DC power (-21 to -60V)
•
Transmit modulated IF signal (to ODU) at center frequency 350 MHz and
output power -2 dBm to +3 dBm
•
Receive modulated IF signal (from ODU) at center frequency 140 MHz with
input IF power between -7 dBm and -25 dBm
•
OOK ODU command signal at 5.5 MHz center frequency
•
OOK ODU telemetry signal at 10 MHz center frequency