Intel Personal Computer NetStructure Single Board Computer Manuel d'utilisateur télécharger pdf (Page 166)

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

1 2 ... 161 162 163 164 165 166 167 168 169 170 171 ... 197 198

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Intel Personal Computer NetStructure Single Board Computer Manuel d'utilisateur Page 166