Matrix-710 Hardware Guide
ARTILA
13
3.3 Serial Port
The Matrix-710 provide total eight RS-485 ports with automatic direction control.
P1 to P4: RS485 with 1500Vrms isolation protection.
P5 to P8: RS485 without isolation.
Meanwhile, P8 can be set as RS-232 using the connector labeled ‘COM’.
The pin assignment is shown as following table.
Port No.
P1
P2
P3
P4
P5
P6
P7
P8
RS-485
1500Vrms Isolation protection
Non-Isolation
RS-232
-
-
-
-
-
-
-
Yes
Device
Mapping
ttyS1
ttyS2
ttyS3
ttyS4
ttyUSB0
ttyUSB1
ttyUSB2
ttyUSB3
Pin assignment of RS-485
Pin assignment of RS-232 (Port P8 only)
1
2
3
4
5
6
7
8
9
DCD
Rx
Tx
DTR GND DSR RTS CTS
N/A
P1
P2
P3
P4
P5
P6
P7
P8
D+ D- D+ D- D+ D- D+ D- D+ D- D+ D- D+ D- D+ D-
P1 ~ P4
P5 ~ P8
P8 (RS-232)
