Star Microwave SM Cirius LM, User Manual

Page: 17 / 79

Cirius LM User Manual 2016 Page 17
1.3.3.2. Form-C Relay Outputs
The IDU includes two Form-C relays. All three pins of each of the two relays are
brought out to the Overhead/Alarm interface. The function of the relays as
programmed by default in the factory are as shown in Table 9. Other functions can
be made available by request.
Relay Closed
3
Open
4
1 IDU demod is locked IDU demod is unlocked
2 IDU-ODU comm link is up IDU-ODU comm link is down
Table 9 Default Relay States
1.3.3.3. Bi-Level Alarm Inputs
The Overhead/Alarm interface includes four TTL bi-level alarm inputs.
Contact the factory to request specific implementations.
1.3.3.4. Bi-Level Alarm Outputs
The Overhead/Alarm interface includes two TTL bi-level alarm outputs.
Contact factory to request specific implementations.
1.3.4. Serial Console Interface
The CLI interface presents a standard three-wire RS-232 DCE interface on a
female DB-9 connector with connector pinouts and signal assignments as defined
in Figure 10 and Table 10 below. The serial console interface is configured as
follows:
•
Data rate: 57600 bps
•
1 start bit
•
8 data bits
•
No parity
•
1 stop bit
6
Relay COM pin connected to NC pin
7
Relay COM pin connected to NO pin