3408/3410/3412 Series Industrial PC System Manual
84
External Floppy Drive Connector
This 26-pin connector allows you to connect an external floppy. This port uses a poly-
switch to protect VCC from directly shorting to GND.
Pin
Signal
Pin
Signal
1
+5V
14
FSTEP*
2
IDX*
15
NC
3
FDS1*
16
FWD*
4
+5V
17
GND
5
NC
18
FWE*
6
DCHG*
19
GND
7
NC
20
FTK0*
8
NC
21
GND
9
GND
22
FWP*
10
MO1*
23
GND
11
NC
24
FRDD*
12
FDIRC*
25
GND
13
NC
26
FHS*
Power Connector
This three-pin connector provides AC or DC input power to the unit.
Pin
AC Signal
DC Signal
1
L
+DC
2
N
-DC
3
AC_GND
GND
Ethernet Connector
This eight-pin connector provides 10BASE-T and 100BASE-TX Ethernet connections.
Pin
Signal
1
TX+
2
TX-
3
RX+
4
Short to pin 5 75ohm to TERMPLANE
5
Short to pin 4 75ohm to TERMPLANE
6
RX-
7
Short to pin 8 75ohm to TERMPLANE
8
Short to pin 7 75ohm to TERMPLANE
