User`s manual

CZGA LX-50 CyberResearch

CPU Cards

CN Location: See Figure 4-15

CN Pinouts: See Table 4-16

The CN17 serial port connector connects to RS-232 serial port devices.

Figure 4-15: RS-232 Serial Port Connector Location

PIN DESCRIPTION PIN

DESCRIPTION

1 DCD 6 DSR

2 RXD 7 RTS

3 TXD 8 CTS

4 DTR 9 RI

5 GND 10 GND

Table 4-16: RS-232 Serial Port Connector Pinouts

4.2.15 RS-232/422/485 COM Serial Port Connector (COM2)

CN Label: CN18

CN Type:

14-pin box header (2x7)

CN Location: See Figure 4-16

CN Pinouts: See Table 4-17

The 14-pin serial port connector connects to the COM 2 serial communications channels.

COM 2 is a multi function channel. In default mode COM 2 is an RS-232 serial

communication channel but, with the COM 2 function select jumper, can be configured as

either an RS-422 or RS-485 serial communications channel.