Moxa DA-681A-I-DPP Руководство по подключению онлайн [5/7] 170392

Moxa DA-681A-I-DPP Руководство по подключению онлайн [5/7] 170392
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Front Panel LEDs
There are 46 LED indicators on the front panel. Information about each
LED is given in the following table.
LED
Color
Description
Serial Port TX
1-12
Green
Serial port is transmitting data
Off
Not operating
Serial Port RX
1-12
Yellow
Serial port is receiving data
Off
Not operating
Power
Green
Power is on
Off
No power input or power error exists
Storage
Yellow/
Blinking
Data is being written to or read from the
storage unit
Off
Storage unit is idle
Power Fail 1
Red
Power 1 has failed
(for dual power models only)
Off
Power is being properly supplied
Power Fail 2
Red
Power 2 has failed
(for dual power models only)
Off
Power is being properly supplied
Gigabit LAN
LEDs 1-6
Green
100 Mbps Ethernet mode
Yellow
1000 Mbps (Gigabit) Ethernet mode
Off
Not operating, or in 10 Mbps Ethernet mode
Programmable
1-6
Green Defined by user
Reset Button
Pressing the Reset button initiates a warm reboot. The button plays the
same role as a desktop PC’s reset button. After pressing the reset button,
the system will reboot automatically. Note that all unsaved data will be
lost when you push the reset button.
Connecting to a Display
Your DA-681A embedded computer comes with a D-Sub 15-pin female
connector to connect to the VGA monitor. Be sure to remove the power
before you connect or disconnect the monitor cable.
Serial Ports
The DA-681A offers 2 RS-232/422/485 ports with DB9 connectors and 10
RS-485 ports with terminal blocks. The pin assignments for the ports are
shown in the following table:
DB9 Pin Assignment
Pin
RS-232
RS-485 (4W)
RS-485 (2W)
RS-422
1
DCD
TxD-(A)
TxD-(A)
2
RXD
TxD+(B)
TxD+(B)
3
TXD
RxD+(B)
Data+(B)
RxD+(B)
4
DTR
RxD-(A)
Data-(A)
RxD-(A)
5
GND
GND
GND
GND
6
DSR
7
RTS
8
CTS
9

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