MXS924 Users Guide
–
Dolphin Interconnect Solutions
Page 13
LEDs
The switch has several LEDs on the connector side to signal various operating modes and status.
MXS924 Switch Status LEDs
The MXS924 has two LEDs next to the RJ45 Ethernet connector.
Marking
Description
PWR
Dark: Power off or failure.
Green: Power on.
ST
Dark: Normal
Blinking: Firmware upgrade in progress
Table 2 MXS924 Switch status LED overview
Port and Link status LEDs
The switch has 24 x4 PCI Express ports organized in six quad port blocks. Depending on the software configuration of the
switch each x4 port can be combined with its neighboring ports to form either a x8 or a x16 port within the same quad
port block
Each of the 24 PCI Express ports has two bi-color LEDs status visible through the cabinet. The LEDs are located just above
the connector for each port. The Link status LED provides information on the current PCIe link status. The Port status LED
provides information on the configuration. The table below provides a summary of the LED behavior. Refer to the sections
below for more information on each LED.
Mark
Function Dark
Yellow
Green
L
Link
status
Cable not
connected
Cable connected
locally
PCIe Link up and running
S
Port
status
Port starts here
Indicates upstream port capabilities
Table 2: Link LED overview
Port status LEDs
The port status LED is used to indicate port width and if it's upstream or downstream.
Each port status LED lit denotes the start of a port. The other ports part of this aggregated port will be dark.
If the switch is configured as a 24 * x4 switch every port status LED will light up:
OOOO OOOO OOOO OOOO OOOO OOOO
