Supermicro 2027R-E1CR24L User Manual page 68

S S S
UPER TORAGE
Serial Ports
Two serial ports are included on the
serverboard. COM1 is a backpanel
port and COM2 is a header located
near the PCI-E slot 1. See the table
on the right for pin definitions.
Universal Serial Bus (USB)
There are four Universal Serial Bus
ports located on the I/O panel. In
addition, there is one Type A port
and three headers located on the
serverboard. The headers can be
used to provide front side USB access
(cables not included). See the tables
on the right for pin definitions.
T-SGPIO 1/2 Headers
The SGPIO (Serial General Purpose
Input/Output) headers are used to
communicate with the enclosure
management chip on the backplane.
See the table on the right for pin
definitions.
IPMB
A System Management Bus header
for IPMI 2.0 is located at JIPMB1.
Connect the appropriate cable here
to use the IPMB I
your system.
YSTEM 2027R-E1CR24L User's Manual
C connection on
2
Serial Port Pin Definitions
(COM1/COM2)
Pin # Definition
1 DCD
2 RXD
3 TXD
4 DTR
5 Ground
NC = No Connection
Backplane
USB (0/1, 2/3)
Pin Definitions
USB 4, 8, 6,
Pin# Definition
Pin # Definition
1 +5V 1
2
2 PO-
3
3 PO+
4
4 Ground
5
5 NA
T-SGPIO Headers
Pin Definitions
Pin# Definition
1 NC
3 Ground
5 Load
7 Clock
NC = No Connection
Pin Definitions
Pin#
1
2
3
4
5-20
Pin # Definition
6 DSR
7 RTS
8 CTS
9 RI
10 NC
FP USB (4/5, 8/9, USB 6)
Pin Definitions
USB 5, 9
Pin # Definition
+5V 1 +5V
PO- 2 PO-
PO+ 3 PO+
Ground 4 Ground
NC 5 Key
Pin Definition
2 NC
4 DATA Out
6 Ground
8 NC
IPMB Header
Definition
Data
Ground
Clock
No Connection