AXIOMTEK UST100-504-FL Series, Руководство пользователя

Страница: 29 / 64

UST100-504-FL Series u
ser’s Manual
Dip Switch & Connector Settings
21
3.2.3 HDMI Connector
The HDMI Rev1.4b (High-Definition Multimedia Interface) is a compact digital interface
which is capable of transmitting high-definition video and high-resolution audio over a
single cable. Pin definition follows
HDMI Type A standard .
3.2.4 Remote Switch Connector
The remote switch is ideal for a remote button, which can act as an power on/off button.
3.2.5 Serial Port Connector
The system has one serial ports. COM are RS-232/422/485 ports. Please refer to Chapter 4 for
detailed BIOS settings.
Pins RS-232 RS-422 RS-485
1
DCD, Data carrier detect
TX- Data-
2
RXD, Receive data
TX+ Data+
3
TXD, Transmit data
RX+ NC
4
DTR, Data terminal ready
RX- NC
5
GND, ground GND, ground GND, ground
6
DSR, Data set ready
NC NC
7
RTS, Request to send
NC NC
8
CTS, Clear to send
NC NC
9
RI, Ring indicator
NC NC
Pins Signal Description
1 NC N/A
2 Switch Signal
Low Active. Acts
as PC’s ATX switch when an
external switch is installed (Pin 3 active).
**The internal pull up resistor does not connect to
any power source.
3 Ext. SW Sensor
Low Active. Detects whether an external power
switch is installed or not.
** The internal pull up resistor does not connect to
any power source.
4 GND
Ground