Xtramus NuTEA-551 V1.2 - Manual (Page 44)

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5.4.5. PHY OSC Clock
Parameter Settings – PHY OSC Clock
Clock Source on PHYs
Embedded with Voltage-Controlled Crystal Oscillator (VCXO), NuTEA-551 can be adjusted to match/jitter
its PHY chip’s frequency within the range of ±100 ppm via NuTEA-551 utility software. NuTEA-551’s PHY
chip frequency can be set as the following:
¾ System Default: NuTEA-551 PHY OSC Clock’s frequency is set to 1 ppm.
¾ User Define (Fix): NuTEA-551 PHY OSC Clock’s frequency will be set to the frequency you’ve set
here.
¾ User Define (Dynamic): NuTEA-551 PHY OSC Clock’s frequency will jitter within the range set here.
Other Settings
¾ Apply: Click this button to apply all the changes you made here and save these settings to
NuTEA-551.
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