Asi (Asynchronous Serial Interface, J12); Aasi (Advanced Asynchronous Serial Interface, J12); Asi/Parallel Lvds Interface - Radyne ComStream DM240-DVB Installation And Operation Manual

Rear Panel Interfaces
13 Cable Shield
14 Clock -
15 System GND
16 D7 -
17 D6 -
18 D5 -
19 D4 -
20 D3 -
21 D2 -
22 D1 -
23 D0 -
24 DVALID -
25 SYNC -

5.10.3 ASI (Asynchronous Serial Interface, J12)

The ASI interface is supported on the BNC Connector. The interface complies with DVB ASI
Electrical Specifications. The maximum data rate is 216 Mbps.

5.10.4 AASI (Advanced Asynchronous Serial Interface, J12)

The AASI Interface is a specialized mode of the normal ASI Interface. The interface allows the
user to input a variable rate data stream into the modulator (as long as the input data rate does
not exceed the programmed data rate). The AASI Interface inserts MPEG-2 Null Packets to
provide a constant data rate to the modulator.

5.11 ASI/Parallel LVDS Interface

This interface is identical to the ASI/Parallel RS-422 Interface except that the electrical
specifications of the Parallel Interface (M2P, DVB) comply with LVDS instead of RS-422.
5-8
DM240-DVB High-Speed Digital Modulator
TM083 - Rev. 3.0
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