2.4
Connection elements
(1) USB device interface (setup)
(3) USB host interface 2
(5) System bus Out
(7) Com1 interface
(9) Com2 interface
(11) Voltage supply In, DC 24 V
CAUTION!
Functional grounding:
Connection terminal for functional ground.
To meet the specified EMC characteristics, this terminal must be connected to functional
ground.
(1)
(2)
(3)
(4)
(5)
(6)
(7)(8)
(2) USB host interface 1
(4) System bus In
(6) LAN interface
(8) Com1 terminating resistor
(10) Com2 terminating resistor
(12) Functional grounding
2 Description
(9)(10)
(11)
(12)
23