Operating instructions

Rear Panel Interfaces DMD50 Universal Satellite Modem
5-14 TM118 – Rev. 1.1
5.7 ASI/DVB/M2P Interface (Optional)
5.7.1 ASI IN (J1)
The ASI IN Port (J1) is supported on the BNC Connector. The interface complies with DVB ASI
Electrical Specifications.
5.7.2 ASI OUT (J2)
The ASI OUT Port (J2) is supported on the BNC Connector. The interface complies with DVB
ASI Electrical Specifications.
5.7.3 DVB/M2P IN (J3)
DVB or M2P IN Port (J3) is supported on the DB-25 female connector. It complies with RS-422
Electrical Specifications. Refer to Table 5-12a for DVB and 5-12 b for M2P pinouts for this
connector.
Table 5-12a. J3 − DVB In - 25-Pin Female
Pin Number Signal Name Direction
1 CLK+ Input
14 CLK- Input
2 SYSTEM GND Input
15 SYSTEM GND Input
3 D7+ Input
16 D7- Input
4 D6+ Input
17 D6- Input
5 D5+ Input
18 D5- Input
6 D4+ Input
19 D4- Input
7 D3+ Input
20 D3- Input
8 D2+ Input
21 D2- Input
9 D1+ Input
22 D1- Input
10 D0+ Input
23 D0- Input
11 DVALID+ Input