Universal PCI Board
Pin Assignments
5-23
The pin assignments for the DB25 (female) serial connector are shown below. There are different pin
assignments depending on the serial interface that your board is configured for.
OPT8A, OPT8S
Pin
RS-232
RS-422/RS-485 (4W)
RS-485 (2W)
2
RxD
TxD+(B)
---
3
TxD
RxD+(B)
Data+(B)
4
CTS
---
---
5
RTS
---
---
6
DTR
RxD-(A)
Data-(A)
7
GND
GND
GND
8
DCD
TxD-(A)
---
20
DSR
---
---
OPT8F, OPT8Z, OPT8K, OPT8I
Pin
RS-422/RS-485 (4W)
RS-485 (2W)
2
RxD+(B)
Data+(B)
3
TxD+(B)
---
7
GND
GND
14
RxD-(A)
Data-(A)
16
TxD-(A)
---
RJ45
The following accessories provide RJ45 serial connectors for your UPCI board:
Accessory
Board Connector
Serial Connectors
OPT8-RJ45
DB62 (female)
8×RJ45
The pin assignments for the RJ45 serial connector are shown below. Only RS-232 is supported. The OPT8-RJ45
accessory should only be used with the CP-118U in RS-232 mode or with the CP-168U.
Pin
RS-232
1
DSR
2
RTS
3
GND
4
TxD
5
RxD
6
DCD
7
CTS
8
DTR