User`s manual

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