Maple Systems PC419C - Manual (Page 57)

Page 45 1010-1023, Rev 00
Step 3: Secure the connector. Secure the serial device connector to the external
interface by tightening the two retention screws on either side of the connector.
3.12.4 RS-232/422/485 Serial Port (COM5)
CN Label: COM5
CN Type: DB-9 connector
CN Location: See
572H
Figure 1-4
CN Pinouts: See
573H
Table 3-8 and
574H
Figure 3-27
An RS-232/422/485 device can be connected to the RS-232/422/485 serial port on the
bottom panel. The pinouts of the RS-232/422/485 serial port are shown below:
Figure 3-27: RS-232/422/485 Serial Port
Pin RS-232 RS-422 RS-485
1 -NDCD TXD422# TXD485#
2 NSIN TXD422+ TXD485+
3 NSOUT RXD422+
4 -NDTR RXD422#
5 GND
6 -NDSR
7 -NRTS
8 -NCTS
9 COMPIN9
Table 3-8: RS-232/422/485 Serial Port Pinouts
To install the RS-232/422/485 devices, follow the steps below: