Velleman VMBRSUSB - Manual (Page 4)

Velbus manual VMBRSUSB – edition 1
4
CONNECTION
VELBUS connection
Connection of the modules is preferably done using twisted-pair cables (EIB 2x2x0.8mm2, UTP 8x0.51mm - CAT5 or
similar). Use a twisted pair cable with 0.5mm² gauge or more when connecting more than 10 modules or with long
connections (more than 50m). Connect the 12 to 18VDC (mind the polarity) to the module.
Connect the bus (mind the polarity) with the module.
RS232 connection
Indication LED USB power
USB connection
VELBUS
12V power input
12V power output
RS232 connection