Operating instructions

Rear Panel Interfaces DMD50 Universal Satellite Modem
5-16 TM118 – Rev. 1.1
5.7.4 DVB/M2P OUT (J4)
The DVB or M2P OUT Port (J4) is also supported on the DB-25 Female Connector. It complies
with RS-422 Electrical Specifications. Refer to Table 5-13a for DVB and 5-13 b for M2P pinouts
for this connector.
Table 5-13a. J3 - DVB Out – 25-Pin Female ‘D’ Sub Connector
Pin Number Signal Name Direction
1 CLK+ Output
14 CLK- Output
2 SYSTEM GND Output
15 SYSTEM GND Output
3 D7+ Output
16 D7- Output
4 D6+ Output
17 D6- Output
5 D5+ Output
18 D5- Output
6 D4+ Output
19 D4- Output
7 D3+ Output
20 D3- Output
8 D2+ Output
21 D2- Output
9 D1+ Output
22 D1- Output
10 D0+ Output
23 D0- Output
11 DVALID+ Output
24 DVALID- Output
12 PSYNC+ Output
25 PSYNC- Output
13 Cable Shield ---