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

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Image 166
Intel MPCBL0010 manual Recovered Clock, Automatic Switchover Mode, Automatic Switchover Values, Name Description Value