Specifications

4
LEDs and External Interfaces
20
LEDs
Table2describesthefaceplateLEDs.
Table 2. Face plate LEDs
Label LED ID Definition Color LED explanation and states
OOS LED1 Out of service Red or
amber
a
a
The user application can select the LED color using the Set FRU LED State IPMI command. Only red or amber
can be selected for the OOS LED.
Controlled by the user, so the implementation may vary.
b
• Red or amber: RTM is out of service
• Off: RTM is in service
b
The user application can control LED illumination using the Set FRU LED State IPMI command. LED illumination
can be turned on or off, the LED can be configured to blink, or the lamp test function can be enabled. To use the
command, specify the FRU ID, LED ID (which is “1” for the OOS LED), LED function, LED on duration, and
illumination color. Command usage is described in the PICMG specification, FRU LED Control commands.
PWR LED2 Power good Green Controlled by the MMC.
• Green: Power to the RTM is normal
• Off: RTM is not powered or in the hot-swap process
ACT LED3 Activity Amber Controlled by the RTM’s HDD.
• Blinking: HDD activity
• Off: No activity
H/S BLUE LED Hot swap Blue Controlled by the MMC.
• Solid: Ready for hot swap
• Long blink: Activating the module after insertion
• Short blink: Preparing for hot swap
• Off: No hot-swap activity in progress
SFP 1,
SFP 2
N/A Link status Green or
amber
Controlled by the alarm CPLD over the RTM-link bus.
• Green: 1000BASE connection
• Amber: 10/100BASE connection (Copper only)
• Solid: Link OK
• Blinking: Link activity
• Off: Link fail, port disabled
Port status Green or
amber
Controlled by the OS,
b
so the implementation may vary.
Suggested states are:
• Solid green: Port enabled
• Solid amber: Port in standby mode
• Off: Port disabled.