Radyne ComStream DM240-DVB, Инструкция по установке и эксплуатации

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DM240-DVB High-Speed Digital Modulator Rear Panel Interfaces
TM083 – Rev. 3.0 5-5
Table 5-3. Alarm Connector J6 Pin Assignment
Pin No. Connection
1 Relay 1 NO
2 Relay 1 C
3 Relay 1 NC (Major Alarm)
4 Ground
5 No Connect
6 Mod Fault (Open Collector)
7 Relay 2 NO
8 Relay 2 C
9 Relay 2 NC (Minor Alarm)
Table 5-4. Alarm Indications
Alarm Pin Description
None 1 – 2 shorted, 7 – 8 shorted, open collector output driven low
Minor 1 – 2 shorted, 8 – 9 shorted, open collector output driven low
Major 2 – 3 shorted, 7 – 8 shorted, open collector output open
5.8 IF Port (Output)
If the customer orders the 70/140 MHz IF, the IF Port will be a 75-Ohm female BNC Connector.
The power level is programmable from -20 to +5 dBm in 0.1 dBm steps. The IF Frequency can
be programmed to 50 – 90 MHz or 100 – 180 MHz, in 1 Hz steps. If L-Band IF is ordered, the IF
Port will be a 50 Ohm SMA female connector. The power level is programmable from -30 to -5
dBm, in 0.1 dBm steps. The IF Frequency can be programmed to 950 – 1750 MHz, in 1 Hz
steps.