IEI Integration NOVA-HM551 v1.10 - Manual (Page 57)

NOVA-HM551 5.25" SBC
Page 43
3.3.1 Ethernet Connector
CN Label: LAN1, LAN2
CN Type: RJ-45
CN Location: See
6
Figure 3-25
CN Pinouts: See
6
Table 3-26
The NOVA-HM551 is equipped with two built-in RJ-45 Ethernet controllers. Each
controller can connect to the LAN through one RJ-45 LAN connector.
Pin Description Pin Description
1 MDI0+ 2 MDI0+
3 MDI1+ 4 MDI1-
5 NC 6 NC
7 MDI2+ 8 MDI2-
9 MDI3+ 10 MDI3-
Table 3-26: LAN Pinouts
The RJ-45 Ethernet connector has two status LEDs, one green and one yellow. The green
LED indicates activity on the port and the yellow LED indicates the speed. See
6
Table
3-27.
Speed LED Activity/Link LED
STATUS DESCRIPTION STATUS DESCRIPTION
Off 10 Mbps connection Off No link
Green 100 Mbps connection Yellow Linked
Orange Gbps connection Blinking TX/RX activity 1
Table 3-27: RJ-45 Ethernet Connector LEDs
Figure 3-26: RJ-45 Ethernet Connector