Avalue AID-173M - Manual (Page 7)

Quick Reference Guide
AID-173M Quick Reference Guide 7
1.4 System Overview
1.4.1 I/O View
Connectors
Label Function Note
USB Type USB connector
USB 3 x USB 2.0 connector
HDMI1/2 HDMI 1/2 input connector
DC IN connect to adapter
BNC Video Input For TV Tuner Card (Optional)
COM1/2
External Serial Port 1/2 connector
(Optional RS-422/485 for COM2)
DB-9 male connector