Digital Output; Event Button - Nexcom VTC 7200-BK User Manual

Appendix D: Signal Connection of MCU DI/DO

Digital Output

The figure below shows how to connect an external input source to one of
the output channel.
Internal
5
MCU-DI2 9
4
MCU-DO1
MCU-DI1 8
3
MCU-DO2
7
2
6
1
DB9-FEMALE-90-5.08mm
Copyright © 2013 NEXCOM International Co., Ltd. All Rights Reserved.
External
External Power
External Resistor
DO
Port
Register
1 OPEN
0 GND

Event Button

1 2
Pin Definition
1 Event Input
2 GND
63
VTC 7200-BK Series User Manual