36 PCM-5894/5892 User Manual
Serial ports (CN15)
The mainboard 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 (CN15)
COM1, COM2, COM3, COM4 RS-232/422/485 serial port
PIN SIGNAL
PIN SIGNAL
COM1 1
DCDA
2
DSRA
3
RXDA
4
RTSA
5
TXDA
6
CTSA
7
DTRA
8
RIA
9
GND
10 N.C.
COM2 11
DCDB
12 DSRB
(422TXD-/485DATA-)
13
RXDB
14 RTSB
(/)
15
TXDB
16 CTSB
()
17
DTRB
18 RIB
(422RXD-)
19
GND
20 N.C.
COM3 21
DCDC
22 DSRC
23
RXDC
24 RTSC
25
TXDC
26 CTSC
27
DTRC
28 RIC/+5V/+12V
29
GND
30 N.C.
COM4 31
DCDD
32 RSRD
33
RXDD
34 RTSD
35
TXDD
36 CTSD
37
DTRD
38 RID/+5V/+12V
39
GND
40 N.C.
Summary of Contents for PCM-5894
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Page 119: ...Appendix C Optional Extras 109 C Optional Extras A P P E N D I X...