Raytheon 138-119, Operator'S And Service Manual

Page: 26 / 55

Change Over Box
138--119
20
3769DOC000002 Edition: April 06, 2005
3.3.1 Special features for operating a system with a Change over Box
3.3.1.1 Special features for DV bus operation
To prepare both Distribution Units for an operation at a DVB--bus, they have to be set while
the CAN bus is active (for each Distribution Unit separate).
It means:
Switch Change Over Switch into position “Sys1”.
Activate the DV bus at the Operator Unit (see respective manual)
The Distribution Unit 1 is set to operate with DV bus application.
Switch Change Over Switch into position “Sys2”.
Activate the DV bus at the Operator Unit (see respective manual)
The Distribution Unit 2 is set to operate with DV bus application.
Switch Change Over Switch into position “Automatic” .
Note!
This setting is permanently stored in the respective
Distribution Unit.
After a replacement or a software--update of a Distribution
Unit, above mentioned procedure has to be repeated for
both Distribution Units.