Intel Intel NetStructure Single Board Computer, MPCBL0010 12.4.3 Recovered Clock, 12.4.4 Automatic Switchover, 12.4.5 Automatic Switchover Mode

Intel NetStructure® MPCBL0010 Single Board Computer
October 2006 Technical Product Specification
Order Number: 304120 165
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
12.4.3 Recovered 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
12.4.4 Automatic 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
12.4.5 Automatic Switchover Mode
To define the hardware switchover mode criteria, use the following:
Function:
IOCTL_HARDWARE_SWITCHING_MODE
Table 127. Automatic Switchover Values
Name Description Value
HW_ENABLE Enables hardware switchover 0x80
HW_DISABLE Disables hardware switchover 0x00