CHAPTER 2 –Hardware Installations
20 SPI-8450-LLVA
2.15 GIGA LAN connector : CN18
This connector is for the LAN adapter that has LED indicate the 10/100/1000Mbps
transfer rate / Link / Act status of Ethernet capability of the CPU card. The follow table shows
the pin assignments of this connector.

Left LED: Speed LED

10M: OFF, 100M: Green, 1000M: Yellow

Right LED: Link/Ack LED

Link: Green, Ack: Blink

PIN No. Function PIN No. Function
1TX+5N.C.
2TX-6RX-
3RX+7N.C.
CN18
Speed Link/Act
LED LED
8 7 6 5 4 3 2 1 4N.C.8N.C.