Supermicro 2027R-E1CR24L User Manual page 67

Ethernet Ports
Four Ethernet ports are located on the
I/O backplane. A dedicated IPMI LAN
port is also included to provide KVM
support for IPMI 2.0. These ports ac-
cept RJ45 type cables.
Internal Speaker
The internal speaker, located at SP1,
can be used to provide audible indica-
tions for various beep codes. See the
table on the right for pin definitions..
Power LED/Speaker
On the JD1 header, pins 1-3 are for
a power LED and pins 4-7 are for the
speaker. Close pins 4-7 with a jumper
to use an external speaker. If you wish
to use the onboard speaker, close pins
6-7 with a jumper. See the table on the
right for speaker pin definitions.
Chassis Intrusion
The Chassis Intrusion header is des-
ignated JL1. Attach an appropriate
cable from the chassis to inform you
of a chassis intrusion when the chas-
sis is opened
Chapter 5: Advanced Serverboard Setup
LAN Ports
Pin Definition
Pin# Definition
1 P2V5SB
2 TD0+
3 TD0-
4 TD1+
5 TD1-
6 TD2+
7 TD2-
8 TD3+
9 TD3-
Internal Buzzer (SP1)
Pin Definition
Pin#
Pin 1 Pos. (+)
Pin 2 Neg. (-)
PWR LED Connector
Pin Definitions
Pin Setting
Pin 1
Pin2
Pin3
Speaker Connector
Pin Settings
Pin Setting
Pins 4-7
Pins 6-7
Chassis Intrusion
Pin Definitions
Pin#
1
2
5-19
10 SGND
11 Act LED
12 P3V3SB
13 Link 100 LED (Yel-
low, +3V3SB)
14 Link 1000 LED
(Yellow, +3V3SB)
15 Ground
16 Ground
17 Ground
18 Ground
Definitions
Beep In
Alarm
Speaker
Definition
Anode (+)
Cathode (-)
NA
Definition
External Speaker
Internal Speaker
Definition
Intrusion Input
Ground