Beckhoff CB1061 Manual de usuario Pagina 44

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Chapter: Connectors Internal Connectors
page 44 Beckhoff New Automation Technology CB1061
3.4.7 PCI-express interface (x4)
The CB1061 has one slot for PCIe-x4 expansion cards. This slot also accomodates x1 expansion cards.
NOTE
When the slot is occupied with an x4 device, PCIe-x1 slot 2 (s. p. 43) is de-activated.
Pinout PCI-express-x1 connector:
Description
Name
Pin
Description
hot plug detect 1
PRSNT1#
A1
B1
12V supply
12V supply
12V
A2
B2
12V supply
12V supply
12V
A3
B3
reserved
ground
GND
A4
B4
ground
reserved
N/C
A5
B5
SMBus clock PCIe
reserved
N/C
A6
B6
SMBus data PCIe
reserved
N/C
A7
B7
ground
reserved
N/C
A8
B8
3.3V supply
3.3V supply
3,3V
A9
B9
reserved
3.3V supply
3,3V
A10
B10
3.3V standby
PCIe reset
PERST#
A11
B11
link reactivation
ground
GND
A12
B12
reserved
reference clock +
REFCLK
A13
B13
ground
reference clock -
REFCLK#
A14
B14
transmit lane 0 +
ground
GND
A15
B15
transmit lane 0 -
receive lane 0 +
PER0
A16
B16
ground
receive lane 0 -
PER0#
A17
B17
hot plug detect 2
ground
GND
A18
B18
ground
reserved
N/C
A19
B19
transmit lane 1 +
ground
GND
A20
B20
transmit lane 1 -
receive lane 1 +
PER1
A21
B21
ground
receive lane 1 -
PER1#
A22
B22
ground
ground
GND
A23
B23
transmit lane 2 +
ground
GND
A24
B24
transmit lane 2 -
receive lane 2 +
PER2
A25
B25
ground
receive lane 2 -
PER2#
A26
B26
ground
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