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VIA AMOS-3007 User Manual
2.
External I/O Pin Descriptions & Functionality
The VIA AMOS-3007 has a wide selection of interfaces, and includes a selection of frequently-used ports as
part of the external I/O coastline.
2.1
Power On/Off Button
The VIA AMOS-3007 comes with a power button that supports power On/Off.
Figure 05:
Power ON/OFF button diagram
2.2 LED Indicators
There are two LEDs on the front panel of the VIA AMOS-3007 that indicates the status of the system:
•
The green LED indicates the status of the system’s power.
•
The red LED indicates the HDD activity.
Figure 06: LEDs indicator diagram
2.3 COM Ports
The VIA AMOS-3007 is equipped with two COM ports located on the front panel. The COM ports can be
configured in the BIOS settings in RS-232, RS-422, or RS-485 mode. The COM ports default setting is RS-232.
The pinouts of the COM port are shown below.
1
6
9
5
Figure 07: COM port diagram
RS-232
RS-422
RS-485
Pin
Signal
Signal
Signal
1
DCD
Tx-
Tx-
2
RxD
Tx+
Tx+
3
TxD
Rx+
NC
4
DTR
Rx-
NC
5
GND
GND
GND
6
DSR
NC
NC
7
RTS
NC
NC
8
CTS
NC
NC
9
RI
NC
NC
Table 01: COM port pinouts