Pin Assignment and Definition
Pin No. Function Pin No. Function
1 DIO0 14 DIO13
2 DIO1 15 DIO14
3 DIO2 16 DIO15
4 DIO3 17 DIO16
5 DIO4 18 DIO17
6 DIO5 19 DIO18
7 DIO6 20 DIO19
8 DIO7 21 DIO20
9 DIO8 22 GND
10 DIO9 23 GND
11 DIO10 24 VCC3
12 DIO11 25 VCC5
13 DIO12
Note:
1. VCC3: 3.3 VDC output
2. VCC5: 5 VDC output
3. GND: Digital Ground
Reset Button
Press the “Reset” button to activate the hardware reset.
You should only use this function if the software does
not function properly.
Power LED
The Power LED will show solid green if power is
properly applied
Ready LED
The Ready LED will show solid green if Matrix 520
complete system boot up. If Ready LED is off during
system boot up, please check if power input is correct.
Turn off the power and restart Matrix 520 again. If
Ready LED is still off, please contact the manufacture
for technical support.
Link/Act
When Ethernet port are connected to the network, Link/
Act will show solid green and if there is traffic is the
Ethernet, this LED will flash
Serial Port LED
These eight dual color LEDs indicate the data traffic at
the serial ports. When RXD line is high then Green
light is ON and when TXD line is high, Yellow light is
ON.
Ethernet Port
Serial Ports:
Port 1,5,6,7 and 8: 3-in-1 RS-232/422/485
Port 2: RS-232 with full modem control
Port 3, 4: RS-232 with hardware flow control
Note: RS-232/422/485 is software selection
Digital I/O Port ( DB25 Female)
Serial Console Port:
Serial console port share the connector with Serial port 3 but
the pin definition as shown as follow:
P3
The serial console port is disabled as factory default setting.
To enable the serial console, you need to use the serial console
cable and connect it to port 3. Use any terminal software such
as hyper terminal and setting as follow:
Baud Rate: 115200
Data bits: 8
Parity: N
Stop bit: 1
Terminal type: ANSI
Once system is power on, you will see “Starting Matrix520….”,
Keep typing $$$$ to turn on the serial console function. If the
serial console is enabled, you will see “Console (ttyS0)” as
follow. Repeat this procedure will disable the serial console and
Screen will show “Console (null)”
