SOM-6X50 User Manual
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A.2.2.3. 10/100Mbps Ethernet Port
The SOMDB1 carrier board comes with a 10/100Mbps Ethernet port which uses an 8 Position 8 Contact (8P8C)
receptacle connector commonly referred to as RJ-45. It is fully compliant with IEEE 802.3 (10BASE-T) and
802.3u (100BASE-TX). The pinouts of the 10/100Mbps Ethernet port are shown below.
Table 26: 10/100Mbps Ethernet port pinouts
The 10/100Mbps Ethernet port (RJ-45) is equipped with two LED indicators on the front side to show its Active/
Link status and Speed status.
Table 27:
10/100Mbps Ethernet port LED color definition
A.2.2.4. Headphone Jack
The SOMDB1 carrier board comes with a headphone jack which offers High Definition Audio sounds through
the 3.5mm Tip Ring Sleeve (TRS) connector to enable connections to Line-out. The headphone jack is for
connecting to external speakers or headphones. The diagram of the headphone jack is shown below.
Link LED
(Left LED on RJ-45 port)
Active LED
(Right LED on RJ-45 port)
Link off
LED is off
LED is off
Speed_10Mbit
The orange LED is off
Green flash
Speed_100Mbit
The orange LED is on
Green flash
Pin
Signal
1
TX+
2
TX-
3
RX+
4
NC
5
NC
6
RX-
7
NC
8
NC
1
8
Figure 40: 10/100Mbps Ethernet port diagram
Figure 41: Headphone jack diagram
