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13 ARK-3400 User Manual
Chapter 2
H
ardware
installation
2.3.3 Ethernet Connector (LAN)
ARK-3400 provides two RJ45 connectors of Gb LAN interface, they are equipped
with two Realtek 8111B Ethernet controllers that are fully compliant with IEEE 802.3u
10/100/1000 Mbps CSMA/CD standards. The Ethernet port provides a standard RJ-
45 jack connector with LED indicators on the front side to show its Active/Link status
(Green LED) and Speed status (Yellow LED).
Figure 2.12 Ethernet connector
2.3.4 LVDS Connector
The ARK-3400 comes with a D-Sub 26-pin connector that carries LVDS signal out-
put, and can direct connect to LVDS LCD Display via external cable.
The system also provide a jumper of JP3 on internal motherboard for selecting the
LCD signal power of 5V or 3.3V, please refer to the jumper table of JP3, and °×Full
Disassembly Procedure°± to adjust it. Up. The default setting of JP3 is 5 V.
Figure 2.13 LVDS Connector
Table 2.5: RJ-45 Connector pin assignments
Pin 10/100/1000BaseT Signal Name
1 TX+
2 TX-
3 RX+
4 MDI2+
5 MDI2-
6 RX-
7 MDI3+
8 MDI3-
Table 2.6: LVDS Connector Pin Assignment
Pin Signal Name Pin Signal name
1 LVDS_CLKBP 14 LVDS_CLKBM
2 GND 15 LVDS_YAM0
3 LVDS_YAP0 16 LVDS_YAM1
4 LVDS_YAP1 17 LVDS_YAM2
5 LVDS_YAP2 18 LVDS_CLKAM
6 LVDS_CLKAP 19 GND
7 +3.3 or +5 V 20 +3.3 or +5 V