Imagine communications Selenio 6800 Installation And Operation Manual page 21

12
Chapter 2
Installation and Operation
Figure 2-9 AES Alarm Switch Level
4 Set the option you require for the AES Manual Switch, which controls the output source.
Figure 2-10 AES Manual Switch
5 Set the AES Alarm Switch Mode.
In automatic mode, input A is the primary channel and input B is the backup channel.
Whenever a change over condition from input A is satisfied, the output source is from
input A. In Non-resetting mode, if the current output source is from input B, no
matter what input A is, the output source is always from input B.
Figure 2-11 AES Alarm Switch Mode
6 Press the AES Alarm Reset button to change the AES alarm back to the source from input
A).
This function is active only when the AES Alarm Switch Mode parameter is set to
Non-Resetting, and is only available when the output source is from input B.
Figure 2-12 AES Alarm Switch Mode
7 Select the type of AES Non-resetting Protection when input A is present and input B is
lost.
Switch to A will make the output source change to input A; Stay with B will keep the
output source as input B. (This function is only available when Non-resetting is
selected in AES Alarm Switch Mode.)
Figure 2-13 AES Non-resetting Protection