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12/
Connectors and LEDs
This chapter describes the KBox A-151-TGL's external connectors, status LEDs, sockets and relevant internal headers
and jumpers.
For further motherboard information, visit https://www.kontron.com/en/produkte/3.5--sbc-tgl/p160182.
12.1. Front Panel Connector Pin Assignments
12.1.1.
Power IN Connector (X101)
The Power IN connector connects to a 24 VDC DC power supply using the supplied mating power connector
(PSC 1.5/ 3-F) and the corresponding wiring.
Table 25: Power IN Connector Pin Assignment
3-Pin Phoenix PSC 1.5/3-M
1 2 3
12.1.2.
LAN Connectors (X102, X103)
The two Ethernet port connectors support one channel of 10/100/1000/2500 Mbit Ethernet (X102) and one channel
of 10/100/1000 Mbit Ethernet (X103). Each Ethernet port has two LEDs indicating speed and activity.
The orientation of the Ethernet connector LAN Status LEDs (Speed and Activity) differ, with 2.5 GbE LAN at the top of
the RJ45 connector and GbE at the bottom of the RJ45 connector.
Table 26: 2.5 GbE LAN Connector Pin Assignment (X102)
RJ45 (female) X102
8 7 6 5 4 3 2 1
Left LED: Link Activity
Off
Yellow Flashing
Yellow
Signal
Description
TX1+ / TX1-
In MDI mode, this is the first pair in 2.5GBase-T and 1000Base-T, i.e. the BI_DA+/- pair, and is the
transmit pair in 10Base-T and 100Base-TX. In MDI crossover mode, this pair acts as the BI_DB+/-
pair, and is the receive pair in 10Base-T and 100Base-TX.
www.kontron.com
Pin
Signal Name / Description
1
GND (-)
2
Connected to system chassis (electrical connected to functional earth bolt)
3
VCC (+)
Link down
Link up and active
Link up and no activity
Pin
1
2
3
4
5
6
7
8
Right LED: Speed
Off
Orange
Green
KBox A-151-TGL - User Guide Rev. 1.0
Signal Name
TX1+
TX1-
TX 2+
TX 3+
TX 3-
TX 2-
TX 4+
TX 4-
10/100 Mbit/s
1000 Mbit/s
2.5 Gbit/s
// 68
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