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Serial Port
There are two COM connectors (JCOM1/JCOM2) near the I/O back panel, next to the IPMI
LAN connector. These COM connectors provide serial communication support. See the table
below for pin definitions.
VGA Port
There is one VGA port on the IO back panel. Connect to this port for the VGA display.
Universal Serial Bus (USB) Ports
There are two USB 3.0 ports (USB12/14) on the I/O back panel located at JUSB1.
Ethernet Ports
An IPMI-dedicated LAN that supports GbE LAN is located on the backplane. All Ethernet ports
accept RJ45 type cables. Please refer to the LED Indicator Section for LAN LED information.
LAN Ports
Two 10G LAN ports (JLAN1, JLAN2) are located on the I/O back panel. These ports accept
RJ45 type cables.
COM Connector (JCOM1/2)
Pin Definitions
Pin#
Definition
Pin#
1
DCD
6
2
RXD
7
3
TXD
8
4
DTR
9
5
Ground
10
Back Panel USB 12/13 (3.0)
Pin Definitions
Pin#
Definition
Pin#
A1
VBUS
B1
A2
D-
B2
A3
D+
B3
A4
GND
B4
A5
Stda_SSRX-
B5
A6
Stda_SSRX+
B6
A7
GND
B7
A8
Stda_SSTX-
B8
A9
Stda_SSTX+
B9
57
Chapter 4: Motherboard Connections
Definition
DSR
RTS
CTS
RI
N/A
Definition
Power
USB_N
USB_P
GND
USB3_RN
USB3_RP
GND
USB3_TN
USB3_TP
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