Serial Port Connector (Com6) (Rs-232, Rs-422 Or Rs-485); Table 3-10: Com3 To Com6 Connector Pinouts - IEI Technology ECW-281B-D525 User Manual

PIN NO. DESCRIPTION
1 DATA CARRIER DETECT (DCD3)
3 RECEIVE DATA (RXD3)
5 TRANSMIT DATA (TXD3)
7 DATA TERMINAL READY (DTR3)
9 GND
11 DATA CARRIER DETECT (DCD4)
13 RECEIVE DATA (RXD4)
15 TRANSMIT DATA (TXD4)
17 DATA TERMINAL READY (DTR4)
19 GND
21 DATA CARRIER DETECT (DCD5)
23 RECEIVE DATA (RXD5)
25 TRANSMIT DATA (TXD5)
27 DATA TERMINAL READY (DTR5)
29 GND
31 DATA CARRIER DETECT (DCD6
33 RECEIVE DATA (RXD6)
35 TRANSMIT DATA (TXD6
37 DATA TERMINAL READY (DTR6
39 GND

Table 3-10: COM3 to COM6 Connector Pinouts

3.3.10 Serial Port Connector (COM6) (RS-232, RS-422 or RS-485)

CN Label:
CN Type:
CN Location:
CN Pinouts:
The 14-pin serial port connector connects to the COM6 serial communications channels.
COM6 is a multi function channel. In default mode COM6 is an RS-232 serial
Page 26
ECW-281B/B2-D525 Embedded System
COM6
14-pin header (2x7)
See
F igure 3-11
7 5 4
See
T able 3-11
7 5 4
PIN NO. DESCRIPTION
2 DATA SET READY (DSR3)
4 REQUEST TO SEND (RTS3)
6 CLEAR TO SEND (CTS3)
8 RING INDICATOR (RI3)
10 GND
12 DATA SET READY (DSR4)
14 REQUEST TO SEND (RTS4)
16 CLEAR TO SEND (CTS4)
18 RING INDICATOR (RI4)
20 GND
22 DATA SET READY (DSR5)
24 REQUEST TO SEND (RTS5)
26 CLEAR TO SEND (CTS5)
28 RING INDICATOR (RI5)
30 GND
32 DATA SET READY (DSR6)
34 REQUEST TO SEND (RTS6)
36 CLEAR TO SEND (CTS6)
38 RING INDICATOR (RI6)
40 GND