D21m System
6-18 D21m Modules Date printed: 25.09.07
16-Ch Mode (Default Setting)
8-Ch Mode
LEDs: IN CH 1-8, 9-16 These LEDs indicate that valid ADAT signals are available at the respective
inputs.
Jumper: 8/16 Ch Mode In 96 kHz mode the card handles a total of 8 channels (4 per interface). In
order to avoid different numbers of channels when switching from 96 kHz
to 48 kHz and vice versa, it is possible to restrict the card to 8 channels even
in 48 kHz mode. In such a case only the fi rst interface (IN/OUT CH 1-8) is
active, as shown in the table below.
Jumper Setting Channels on Backplane Interface 1 Interface 2
16-Ch Mode
(factory default)
16 in, 16 out
48 kHz: Ch 1...8 48 kHz: Ch 9...16
96 kHz: Ch 1...4 96 kHz: Ch 5...8
8-Ch Mode 8 in, 8 out
48 kHz: Ch 1...8 48 kHz: unused
96 kHz: Ch 1...4 96 kHz: Ch 5...8
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