Frontend Connector Block (Non-Optoisolated Board Variant) - PEP Modular Computers CP345 Manual

CP345
2.4.1.1

Frontend Connector Block (Non-Optoisolated Board Variant)

The standard non-optoisolated variant of the CP345 is equipped with a serial I/O con-
nector block consisting of four RJ45 connectors which include the signals of channels 0
to 3. The pinouts of the RJ45 connectors are shown in the following table.
Warning!
Where signals are not indicated in the below table, please do not
connect external wiring to the connector pins. Failure to comply
may result in damage to your board.
Table 2-1: Pinouts of Frontend RJ45 Connectors 0..3 (Sheet 1 of 2)
RS232
DSR
RTS
GND
TxD
RxD
DCD
CTS
DTR
DSR
RTS
GND
TxD
RxD
DCD
CTS
DTR
DSR
RTS
GND
TxD
RxD
DCD
CTS
DTR
Page 2 - 8
RS422/RS485 RS422/RS485
Half Duplex Full Duplex
—
—
GND
TRxD+
—
—
TRxD-
—
—
—
GND
TRxD+
—
—
TRxD-
—
—
—
GND
TRxD+
—
—
TRxD-
—
© PEP Modular Computers GmbH
Functional Description
Pin
RxD- 1
— 2
GND 3
TxD+ 4
— 5
RxD+ 6
TxD- 7
— 8
RxD- 1
— 2
GND 3
TxD+ 4
— 5
RxD+ 6
TxD- 7
— 8
RxD- 1
— 2
GND 3
TxD+ 4
— 5
RxD+ 6
TxD- 7
— 8
Channel
0
1
2
ID 19979, Rev. 03