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S
S
UPER
ERVER 5018A-TN4 User's Manual
Serial Ports
There is one COM port on the I/O back-
panel (COM1) and one COM header on
the motherboard (COM2). These COM
ports provide high-speed 16550-compat-
ible serial communication support. See
the table on the right for pin definitions.
LAN Ports (LAN1/LAN2)
There are two USB 3.0 and two USB
2.0 gigabit LAN ports located on the I/O
backpanel. These ports accept RJ45
type cables. In addition, two USB 3.0
headers (USB 2/3) are located on the
motherboard to provide USB 3.0 support
using USB cables (not included).
IPMI LAN (IPMI)
A dedicated IPMI LAN port is located
above USB0 to provide dedicated net-
work connection for IPMI 2.0 remote
system management. This port accepts
RJ45 type cables.
USB 3.0
Pin Definitions
Pin#
Description
Pin# Description
1
VBUS
10
2
D-
11
3
D+
12
4
Ground
13
5
StdA_SSRX-
14
6
StdA_SSRX+
15
7
GND_DRAIN
16
8
StdA_SSTX-
17
9
StdA_SSTX+
18
5-12
Serial Ports
Pin Definitions
Pin #
Definition
Pin #
1
DCD
6
2
RXD
7
3
TXD
8
4
DTR
9
5
Ground
10
USB 2.0
Pin Definitions
Pin# Definition Pin# Definition
1
+5V
5
2
USB_PN1
6
3
USB_PP1
7
4
Ground
8
Power
USB 2.0 Differential Pair
Ground of PWR Return
SuperSpeed Receiver
Differential Pair
Ground for Signal
Return
SuperSpeed Transmitter
Differential Pair
RJ45/LAN
Pin Definitions
Pin #
Definition
Pin #
1
TX_D1+
5
2
TX_D1-
6
3
RX_D2+
7
4
BI_D3+
8
Definition
DSR
RTS
CTS
RI
N/A
+5V
USB_PN0
USB_PP0
Ground
Definition
BI_D3-
RX_D2-
BI_D4+
BI_D4-
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