Manual

CP346 Functional Description

P R E L I M I N A R Y

2.4.1.1 Front Panel Connector

The CP346 is equipped with a 37-pin, dual row, male connector comprising the signals of serial

I/O channels 0 to 3. The pinouts of the D-Sub connector are shown in the following table.

Warning!

Where signals are not indicated in the table below or marked with NC,

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 37-Pin D-Sub Connector (Sheet 1 of 2)

RS232

RS485

Half Duplex

RS422

Full Duplex

Pins Channel

DCD NC RXD+ 1

Channel 3

DSR NC RXD- 20

RXD NC NC

RTSNCNC21

TXD TRXD+ TXD+ 3

CTS TRXD- TXD- 22

DTRNCNC4

RI NC NC 23

GNDGNDGND5

GND

GNDGNDGND24

RI NC NC 6

Channel 2

DTRNCNC25

CTS TRXD- TXD- 7

TXD TRXD+ TXD+ 26

RTSNCNC8

RXDNCNC27

DSR NC RXD- 9

DCD NC RXD+ 28