ADLINK PCIS-8580-13S - Manual (Page 26)

18 Hardware Overview
Serial Link Status LED Connector, JP4
The serial link status is shown on LED D2. LPCI-8575 also pro-
vides a LED connector for user’s applications. The pin assign-
ment of JP4 is shown in the following figure.
Serial Link Status LED, D2
The LED D2 shows the serial link status. The following table
shows the possible status of the LED when you turn on the
expansion chassis power and main system power.
LED status Descriptions How to solve?
ON
The serial link is synchronous. The
power on sequence is correct.
Twinkling
The serial link is not synchronous. The
main system power is turned on before
expansion chassis power. Reset the main system or re-boot the
main system power after expansion
chassis power is on.
OFF The serial link connection is not correct. Check if the serial link cable is ok or not.
Table 3-5: D2 Display
Anode Cathode