Figure 4-18: com2 connector pinout locations, Table 4-19: com2 connector pinouts, Connector – IEI Integration WAFER-945GSE2 v1.03 User Manual
Page 68: Type, Label, Ethernet connector, Rj-45, Lan1, Ethernet con
WAFER-945GSE2 User Manual
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4.3.16 Serial Port Connector (COM2 ) (RS-232, RS-422 or RS-485)
CN Label:
COM2
CN Type:
14-pin header (2x7)
CN Location:
CN Pinouts:
The 14-pin serial port connector connects to the COM2 serial communications channels.
COM2 is a multifunction channel. In default mode COM2 is an RS-232 serial
communication channel but, with the COM2 function select jumper, can be configured as
either an RS-422 or RS-485 serial communications channel.
Figure 4-18: COM2 Connector Pinout Locations
PIN NO. DESCRIPTION
PIN NO.
DESCRIPTION
1
DATA CARRIER DETECT (DCD) 2
DATA SET READY (DSR)
3
RECEIVE DATA (RXD)
4
REQUEST TO SEND (RTS)
5
TRANSMIT DATA (TXD)
6
CLEAR TO SEND (CTS)
7
DATA TERMINAL READY (DTR) 8
RING INDICATOR (RI)
9 GND
10
N/C
11 TXD485+
12 TXD485#
13 RXD485+
14 RXD485#
Table 4-19: COM2 Connector Pinouts