Intel MPCBL0010 manual Recovered Clock, Automatic Switchover Mode, Automatic Switchover Values

Telecom Clock—MPCBL0010 SBC

Functions:

IOCTL_ENABLE_CLKA0_OUTPUT

IOCTL_ENABLE_CLKB0_OUTPUT

IOCTL_ENABLE_CLKA1_OUTPUT

IOCTL_ENABLE_CLKB1_OUTPUT

Possible values:

0x01 = Enables transmission clock

0x00 = Disables transmission clock

12.4.3Recovered Clock

To drive the recovered reference clock to the AdvancedTCA backplane from the AdvancedMC modules, use the following:

Functions:

IOCTL_ENABLE_CLK3A_OUTPUT

IOCTL_ENABLE_CLK3B_OUTPUT

Possible Values:

0x01 = Enables reference clock

0x00 = Disabled reference clock

12.4.4Automatic Switchover

To enable automatic hitless switchover to the redundant reference clock in case of holdover or loss of reference clock, use the following:

Function:

IOCTL_HARDWARE_SWITCHING

Table 127. Automatic Switchover Values

Name	Description	Value
HW_ENABLE	Enables hardware switchover	0x80
HW_DISABLE	Disables hardware switchover	0x00

12.4.5Automatic Switchover Mode

To define the hardware switchover mode criteria, use the following:

Function:

IOCTL_HARDWARE_SWITCHING_MODE

	Intel NetStructure® MPCBL0010 Single Board Computer
October 2006	Technical Product Specification
Order Number: 304120	165