User`s manual

VIVOTEK
8 - User's Manual
DI/DO Diagram
Please refer to the following illustration for the connection method�
DI-
DO+
DI+
DO-
+12
VDC
Max.
VDC
Switch
BJT transistor
DI-
DO+
DI+
DO-
+12
VDC
VDC
Switch
BJT transistor
Relay
Relay
AC
Source
NO NC
AC
Device
AC
Source
AC
Device
NO
NC
NOTE:
The maximum output load from pins #7 & 8 is 50mA.