Nuvo-2400
User’s Manual
Copyright © 2015 Neousys Technology Inc. All Right Reserved.
Page 27 of 81
3.2 Internal I/O Interface
3.2.1 COM Ports
Figure 12: Internal COM ports
Nuvo-2400 Series provides two COM ports for communicating with external devices. Each
port supports RS-232 only. COM ports are implemented using industrial-grade ITE 8783
Super IO chip (-40 to 85°C) and provide up to 115200 bps baud rate. The following table
describes the pin definition of two COM ports.
Table 11: Pin definition of COM3 & COM4
Pin#
COM3 / COM4
1
DCD
2
RX
3
TX
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI