Operating instructions

DVB3030/DVB3030L Digital Video Broadcast Modulator Electrical Interfaces
TM052 - Rev. 3.5 5-5
5.9 ASI/Parallel LVDS Interface
This serial interface is supported on a DB-37 Female Connector. It complies with LVDS
Electrical Specifications. Refer to Table 5-7 for the pinouts for this interface. The maximum
data rate is 16 Mbps.
Table 5-7. J9 - Serial RS-422 Interface
Pin No. Signal Name Direction
1 Shield GND
4 Send Data (SD) A Input
5 Serial Clock Transmit (SCT) A Output
7 Ready To Send (RTS) A Output
9 CTS (A) Output
11 Data Mode (DM) A Output
14 Mod Fault Output (OC)
15 Ext Ref Int A Input
17 Serial Clock Transmit External (SCTE) A Input
19 Signal GND GND
20 Common GND
22 Send Data (SD) B Input
23 Serial Clock Transmit (SCT) B Output
25 Ready To Send (RTS) B Input
27 Clear To Send (CTS) B Output
29 Data Mode (DM) B Output
33 Ext Ref Int B Input
35 Serial Clock Transmit External (SCTE) B Input
37 Common GND
5.10 Serial RS-422 Interface
This serial interface is supported on a DB-37 Female Connector. It complies with RS-422.RS-
449 Electrical Specifications. Refer to Figure 5-8 for the pinouts for this interface. The
maximum data rate is 16 Mbps.
Table 5-8. J9 - Serial RS-422 Interface
Pin No. Signal Name Direction
1 Shield GND
4 Send Data (SD) A Input
5 Serial Clock Transmit (SCT) A Output