Serial Communication Board with 8 RS-232/422/485 Ports
Copyright © 2015 ICP DAS CO., Ltd. All Rights Reserved.
- 38 -
VXC-118U/PCIe-S118 Card (RS-232 Wiring):
Step 2: Perform the “self-test” by
shorting the
RxD, TxD and GND
pins of both
Port0 and Port1
.
VXC-148U/PCIe-S148 Card (RS-485 Wiring):
Step 2: Perform the “self-test” by
shorting the
Port0 Data+ and
Port1 Data+
, the
Port0 Data- and
Port1 Data-
pins and the
Port0
GND and Port1 GND
pins.
Note:
For detailed information regarding wiring and pin assignments for the RS-
232/422/485, refer to Section 2.2 Wiring Notes for RS-232/422/485 and Section 2.3 Pin
Pin Assignment
Pin No.
Pin No.
Pin Assignment
TxD0
3
2
RxD1
RxD0
2
3
TxD1
GND
5
5
GND
Pin Assignment
Pin No.
Pin No.
Pin Assignment
Data0-
1
1
Data1-
Data0+
2
2
Data1+
GND
5
5
GND
