Dvb/M2P Out (J4) - Comtech EF Data DMD50 Installation And Operation Manual

DMD50 Universal Satellite Modem

5.13.4 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 5-15 for DVB and Table 5-16 for M2P
pinouts for this connector.
Table 5-15. J3 - DVB Out 25-Pin Female
D Sub Connector
Pin Number Signal Name
1 CLK+
14 CLK-
2 SYSTEM GND
15 SYSTEM GND
3 D7+
16 D7-
4 D6+
17 D6-
5 D5+
18 D5-
6 D4+
19 D4-
7 D3+
20 D3-
8 D2+
21 D2-
9 D1+
22 D1-
10 D0+
23 D0-
11 DVALID+
24 DVALID-
12 PSYNC+
25 PSYNC-
13 Cable Shield
MN-DMD50– Revision 3
Direction Pin Number Signal Name Direction
Output
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Table 5-16. J3 - M2P Out 25-Pin
Female D Sub Connector
1 NC
14 NC
2 CLK+
15 CLK-
3 SYNC+
16 SYNC-
4 VALID+
17 VALID-
5 D0+
18 D0-
6 D1+
19 D1-
7 D2+
20 D2-
8 D3+
21 D3-
9 D4+
22 D4-
10 D5+
23 D5-
11 D6+
24 D6-
12 D7+
25 D7-
13 Cable Shield
User Interfaces
Output
Output
Output
Output
Output
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