Technical data

Distribution Unit
138--118
DISTRIBUTION
UNIT
31
3647.DOC010302Edition: Sept. 05, 2005
4 Setting of Jumpers and Adjusting the DIP--Switches
4.1 Setting of Jumpers
Basically 3 jumpers have to be awarded.
These jumpers are the terminators (resistors which terminate the CAN--bus and the DV--
bus).
Is a distribution Unit used as an so called “end--device” within a CAN --bus and DV--bus
application, all jumpers have to be set. These jumpers activates the terminators at the
end of each CAN--bus and DV--bus
Not inserted jumpers (open CAN--Bus and/or open DV--bus) l ead to an error message at
the Distribution Unit.
1
2
Fig.17: CAN--Bus terminators
1 = Jumper B32 to activate terminator CAN1--Bus
2 = Jumper B31 to activate terminator CAN2--Bus
Fig.18: DV--bus terminator