MasterclockGMRUserManualv2–2016.12
59
clockIdentity–PTPclockidentity
Numberofports–GMR1000deviceshaveoneRJ45.EventhoughGMR5000deviceshavetwoRJ45’s,they
areconsideredtobeasinglelogicalPTPport.
clockQuality.clockClass–TheGMRproductlinecanhavethefollowingclockclasses.Non‐GMRproducts
mayhaveadditionalvalues.
6
–lockedtoGPS
7–previouslylockedtoGPS
13–lockedtotimecode,NTP,etc.
14–previouslylockedtotimecode,NTP,etc.
52–outofholdoverspec.forclass7,degradationA
58–outofholdoverspec.forclass14,degradationA
187
–outofholdoverspec.forclass7,degradationB
193–outofholdoverspec.forclass14,degradationB
248–defaultifnoneoftheabove
clockQuality.clockAccuracy–TheGMRproductlinecanhavethefollowingaccuracies.Non‐GMRproducts
mayhaveadditionalvalues.
32–accurateto
25ns
33–accurateto100ns
34–accurateto250ns
35–accurateto1us
36–accurateto2.5us
37–accurateto10us
38–accurateto25us
39–accurateto100us
40–accurateto250us
41–accurateto1ms
42–accurateto
2.5ms
43–accurateto10ms
44–accurateto25ms
45–accurateto100ms
46–accurateto250us
47–accurateto1s
48–accurateto10s
49–accurateto>10s
254–accuracyunknown
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