J3: Serial Ports - Kontron Mungo545 User Manual

J3: Serial Ports

J3A (COM1), J3B (COM2), J3C (COM3) and J3D (COM4 level) are the
onboard serial ports on the Mungo545.
20
40
Pin # Signal Name (RS-232)
1 DCD, Data carrier detect
2 RXD, Receive data
3 TXD, Transmit data
4 DTR, Data terminal ready
5 GND/ground
6 DSR, Data set ready
7 RTS, Request to send
8 CTS, Clear to send
9 RI, Ring indicator
10 No Connect.
11 DCD, Data carrier detect
12 RXD, Receive data
13 TXD, Transmit data
14 DTR, Data terminal ready
15 GND/ground
16 DSR, Data set ready
17 RTS, Request t o send
18 CTS, Clear to send
19 RI, Ring indicator
20 No Connect.
Mungo545 User's Manual
J3 Connector
21
Pin #
1
Signal Name (RS-232)
21 DCD, Data carrier detect
22 RXD, Receive data
23 TXD, Transmit data
24 DTR, Data terminal ready
25 GND/ground
26 DSR, Data set ready
27 RTS, Request to send
28 CTS, Clear to send
29 RI, Ring indicator
30 No Connect.
31 DCD, Data carrier detect
32 RXD, Receive data
33 TXD, Transmit data
34 DTR, Data terminal ready
35 GND/ground
36 DSR, Data set ready
37 RTS, Request to send
38 CTS, Clear to send
39 RI, Ring indicator
40 No Connect.
27