Connection with the motherboard, Pin assignment of the pin strips – BECKHOFF C9900-P208 User Manual
Page 10
Installation Instructions
8
C9900-P208 / C9900-P209
Connection with the motherboard
Pin strips
on the output side
Connection
Function
1
ATX interface
2
5V/12V supply
3
POWER ON
4
COM interface
Connection with the
motherboard
The power supply unit is connected
with the motherboard according to
the installation instructions of the
board.
5
12V supply
Pin assignment of the pin strips
Pin
Function
Pin
Function
1
3.3V
11
3.3V
2
3.3V
12
- 12V
3
GND
13
GND
4
+ 5V
14
PS ON
5
GND
15
GND
6
+ 5V
16
GND
7
GND
17
GND
8
PWR OK
18
- 5V
9
5VSTB
19
+ 5V
10
12V
20
+ 5V
ATX DC output
Pin
Function
Pin
Function
1
+ 12V
5
+ 12V
2
GND
6
GND
3
GND
7
GND
4
+ 5V
8
+ 5V
5V/ 12V supply for drives
Pin
Function
1
POWER-ON
2
POWER-ON
POWER ON
Pin
Function
3
TXD
5
RXD
9
GND
COM interface
(RS 232)
Pin
Function
Pin
Function
1
GND
3
+ 12V
2
GND
4
+ 12V
ATX 12V DC-Output
5
2
4
1
3