Serial Ports (Cn13); Com 1-4 Rs-232/422/485 Serial Ports (Cn13) - Aaeon PCM-4896 User Manual

Serial ports (CN13)

The PCM-4896 offers four serial ports, three RS-232 and one RS-
232/422/485. These ports allow you to connect them to serial
devices (mouse, printers, etc.).

COM 1-4 RS-232/422/485 serial ports (CN13)

COM1 , COM2, COM3, COM4 RS-232/422/485 serial port
PIN
COM1 1
3
5
7
9
COM2 1 1
1 3
1 5
1 7
1 9
COM3 21
23
25
27
29
COM4 31
33
35
37
39
SIGNAL
DCDA
RXDA
TXDA
DTRA
GND
DCDB
(422TXD-/485DATA-)
RXDB
(422RXD+)
TXDB
(422TXD+/485DATA+)
DTRB
(422RXD-)
GND
DCDC
RXDC
TXDC
DTRC
GND
DCDD
RXDD
TXDD
DTRD
GND
PIN SIGNAL
2 DSRA
4 RTSA
6 CTSA
8 RIA
1 0 N.C.
1 2 DSRB
1 4 RTSB
1 6 CTSB
1 8 RIB
20 N.C.
22 DSRC
24 RTSC
26 CTSC
28 RIC/+5V/+ 1 2 V
30 N.C.
32 RSRD
34 RTSD
36 CTSD
38 RID/+5V/+ 1 2 V
40 N.C.
Chapter 2 Installation 37