Appsys ProAudio ADX-32A, User Manual

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User's Manual
8. Settings
An overview of all switch settings can be found in 11. Settings overview .
8.1. Cat5 Termination
For proper operation, the termination (push button on the front panel) has to be set correctly.
The required setting depends on the position of the ADAT Multicore Extender within the cable
snake:

At devices on the end of a Cat5 snake (all devices having only one cable plugged in either A or
B), the termination has to be switched ON.

At devices in the middle of a Cat5 snake (all devices where cables are plugged into both jacks A
and B), the termination has to be switched OFF.
If you use only two devices (point-to-point connection), the termination must always remain
switched on.
Wrong termination settings are, depending on the cable length, not always noticeable
(the system appears to function properly). But reliability and immunity to noise is sig-
nificantly decreased, because signals reflections can occur (with missing termination)
or the transmitters get overloaded (with too many terminations).
Please ensure therefore that the termination settings are correct under any circum-
stances.
If you're using the system in the same setup all time, you may use scotch tape to fix
the push button (or remove the push button cap) in order to prevent unwanted opera-
tion.
8.2. Transmission direction (ADAT 1-4)
The transmission direction (input or output) for ADAT connections 1-4 is set by the DIP-switches
1-4.

Input (DIP switch in lower position = OFF): The ADAT connection is configured as input (the
receiver is active). The received data is sent over the Cat5 cable.
The input signal is passed-through to the output alongside ("local loopback"). You can
use this output to connect additional monitors or as wordclock source, as shown in
9.2. Wordclock synchronization over ADAT .
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