POC-400 Series
31
2.3.4
COM Ports (COM2/ COM3/ COM4)
Implemented
using industrial-grade ITE8786 Super IO chip (-40 to 85°C) and provide
up to 921600 bps baud rate, the second D-Sub male connector (COM2/ 3/ 4) can be
configured in BIOS as single RS-422/ 485 port (COM2) or three 3-wire RS-232 ports
(COM2/COM3/COM4). Please refer to
operation mode. An optional 1-to-3 Y-cable is available to connect three RS-232
devices.
COM2/ 3/ 4 Pin
1-to-3 Y-cable
The following table describes the pin definition of the COM port
3-port RS-232 COM2/ 3/ 4
Single port RS-422/ 485
Pin#
COM2
COM3
COM4
Pin#
RS-422
RS-485
1
1
2
RX
2
TxD+
TxD+/
RxD+
3
TX
3
RxD+
4
TX
4
RxD-
5
GND
GND
GND
5
GND
GND
6
RX
6
7
TX
7
8
RX
8
TxD-
TxD-/ RxD-
9
9
Summary of Contents for POC-400 Series
Page 1: ...Neousys Technology Inc POC 400 Series User Manual Revision 1 0...
Page 4: ...Table of Contents 4 GetStatusPoEPort 97 EnablePoEPort 98 DisablePoEPort 99...
Page 16: ...POC 400 Series 16 1 3 Dimension 1 3 1 Superior View 1 3 2 Front Panel View...
Page 17: ...POC 400 Series 17 1 3 3 Bottom View...
