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S
S
UPER
ERVER 1027R-WC1R/1027R-WC1RT User's Manual
Unit Identifi cation Switch/LED
A Unit Identifi er switch (UID) and a
rear UID LED indicator (LED3) are
located next to LAN ports on the back
of the chassis. When the user pushes
the rear UID switch, the rear UID LED
(LED3) will be turned on. Push the UID
switch again to turn off the LED indi-
cator. The UID switch provides easy
identifi cation of a system unit that may
be in need of service. See the tables
on the right for more information.
5-11 SATA and SAS Ports
Serial ATA Ports
There are four Serial ATA Ports
(I-SATA0~I-SATA3) located on the
ser verboard. I- SATA0/1 suppor t
SATA 3.0 while I-SATA 2/3 sup-
port SATA 2.0. These ports provide
serial-link signal connections, which
are faster than Parallel ATA. See the
table on the right for pin defi nitions.
Color/State OS
Blue: On
Windows OS
Blue:
Linux OS
Blinking
SATA Port
Pin Defi nitions
Pin#
Defi nition
1
Ground
3
TXN
5
RXN
7
Ground
5-24
UID LED
Status
Status
Unit Identifi ed
Unit Identifi ed
Pin
Defi nition
2
TXP
4
Ground
6
RXP
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