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DTI Status
Use this window to displays information on the status of the DOCSIS Timing Interface
parameters in the system. The DTI (DOCSIS Timing Interface) is the interface between
the DOCSIS time server (DTI Server) and each DTI client, providing DOCSIS Time
Stamps containing the 10.24 MHz Master Clock reference from an external time server.
For access, select Status > DTI Status:
Note: In the M-CMTS architecture, both the M-CMTS core and the EQAM are
considered DTI clients.
Item
Link Status
Cable Advance
DTI Client Mode
Client Phase Error
Current Timestamp
Note: DTI clients may reside in M-CMTS devices, Edge QAM (EQAM) devices or
Upstream Receivers.
Status • Reports
APEX1000 All-Purpose Edge QAM Software Version 2.4.x • Installation and Operation Manual
573408-001-a
Figure 12-15 — DTI Status window
DTI Status window field definitions
Definition/Range
Indicates the DTI link status for each of the DTI ports in the APEX.
Indicates the current Cable Advance value last reported by the DTI server for
each of the DTI ports in the APEX.
Current DTI mode (such as Free-run or Normal) for the DTI client in the APEX.
Current Phase error value for DTI client in APEX. This value represents the error
of its local clock with respect to the delay-corrected server frame clock.
Current Timestamp value for DTI client in APEX. This value represents the
accurate timing value to be inserted in SYNC messages when required by
specific DEPI session configuration.
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