Chapter 2 Installation
- 18 -
NET-1821VD2N
Network Indicator
The board provides one 2x4Pin network indicator pin header (Pitch: 2.0mm); the pin
definitions are as follows:
Pin
Signal Name
Pin
Signal Name
1 +3.3V 2
LAN1_ACTIVITY
3 LAN1_LINK100
4 LAN1_LINK1000
5 +3.3V 6
LAN2_ACTIVITY
JLED3
7 LAN2_LINK100
8 LAN2_LINK1000
PCIe x8 Connector
The board provides three PCIe x8 plate-type connector (PCIE1/PCIE2/PCIE3) and
one PCIe x8 (PCIE4) 180-degree connector
The pin definitions for PCIE1 are as follows:
Pin
Signal Name
Pin
Signal Name
Pin
Signal Name
Pin
Signal Name
A1 PRSNT1# A2
+12V B1
+12V B2
+12V
A3 +12V A4
GND B3
BYPASS_LED1
B4
GND
A5 NORMAL_LED1 A6
BYPASS_LED2
B5
SMCLK
B6
SMDATA
A7 NORMAL_LED2 A8
TMS
B7
GND
B8
+3.3V
A9 +3.3V A10
+3.3V B9
1STN2_PCFG1
B10
3.3Vaux
A11 PWRGD/PERST# A12
GND
B11
WAKE#
B12
WDT_OUT1_A
A13 A14
REFCLK- B13
GND B14
PETp0
A15 GND A16
PERp0
B15
PETn0
B16
GND
A17 PERn0 A18
GND B17
WDT_OUT1_B
B18
GND
A19 SIO_RSMRST- A20
GND
B19
PETp1
B20
PETn1
A21 PERp1 A22
PERn1 B21
GND B22
GND
A23 GND A24
GND B23
PETp2
B24
PETn2
A25 PERp2 A26
PERn2 B25
GND B26
GND
A27 GND A28
GND B27
PETp3
B28
PETn3
A29 PERp3 A30
PERn3 B29
GND B30
WDT_OUT2_A
A31 GND A32
5VSB B31
WDT_OUT2_B
B32
GND
A33 5VSB A34
GND B33
PETp4 B34
PETn4
A35 PERp4 A36
PERn4 B35
GND B36
GND
A37 GND A38
GND B37
PETp5
B38
PETn5