Operating instructions

DVB3030/DVB3030L Digital Video Broadcast Modulator Electrical Interfaces
TM052 - Rev. 3.5 5-3
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
5.7 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 an 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.
5.8 ASI/Parallel RS-422 Interface
The pinouts for this connector are given in Table 5-5 and 5-6.
Table 5-5. J8 – M2P RS-422 Parallel Interface (Optional)
Pin No. Signal Name Direction
1 OUTCLK+ Output
14 OUTCLK- Output
2 CLK+ Input
15 CLK- Input
3 SYNC+ Input
16 SYNC- Input
4 VALID+ Input
17 VALID- Input
5 D0+ Input
18 D0- Input
6 D1+ Input
19 D1- Input
7 D2+ Input
20 D2- Input
8 D3+ Input
21 D3- Input
9 D4+ Input
22 D4- Input
10 D5+ Input