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System Management: FRU LEDs
KAT4000 User’s Manual 10007175-02
9-38
Get FRU LED State Command
The Get FRU LED State command allows the state of the FRU LEDs to be controlled by the
management system.
Table 9-38: Get FRU LED State Command
Type: Byte: Data Field:
Request Data 1 PICMG Identifier—indicates that this is a PICMG defined group
extension command. Use value 00h.
2FRU Device ID
3LED ID
00h Blue LED (Hot Swap)
01h LED 1 (OOS)
02h LED 2
03h LED 3
04h-FEh OEM defined LEDs
FFh Reserved
Response Data 1 Completion Code
2 PICMG Identifier—indicates that this is a PICMG defined group
extension command. Use value 00h.
3LED States
Bits [7:3] Reserved, set to 0
Bit [2] 1b if Lamp Test has been enabled
Bit [1] 1b if override state has been enabled
Bit [2] 1b if IPMC has a Local control state
4 Local Control LED Function
00h LED is off (default if Local Control not supported)
01h-FAh LED is blinking Off duration specified by this byte,
on duration specified by byte 5 (in tens of
milliseconds)
FBh-FEh Reserved
FFh LED is on
5On Duration
LED on-time is measured in tens of milliseconds
Lamp Test time in hundreds of milliseconds if byte 4=FBh, time
value must be less than 128. Other values when Byte 4=FBh are
reserved. Otherwise, this field is ignored and shall be set to 0h.