C o m p a c t B o a r d
P C M - 5 8 9 3 / 5 8 9 3 L
Chapter 2 Quick Installation Guide
2 - 25
COM / RS-422 mode
Pin Signal
Pin Signal
11 TXD-
12
N/C
13 RXD+
14 N/C
15 TXD+
16 N/C
17 RXD-
18 N/C
19 GND
20 N/C
COM / RS-485 mode
Pin Signal
Pin Signal
11 TXD-
12
N/C
13 N/C
14 N/C
15 TXD+
16 N/C
17 N/C
18 N/C
19 GND
20 N/C
2.31 Floppy (CN20)
Pin Signal
Pin Signal
1 GND
2
DENSEL#
3 GND
4 N/C
5 GND
6 N/C
7 GND
8 INDEX#
9 GND
10
MTRA#
11 GND
12 DRVB#
13 GND
14 DRVA#
15 GND
16 MTRB#
17 GND
18 DIR#
19 GND
20 STEP#