Calnex Sentinel - Page 90

CX3001 v7.0 © Calnex Solutions 90
calnexsol.com |
Measurement Events
Log Text
Explanation
Action Required
Signal absent on channel x
Clock module loss of Signal. Indicated
on channel widget by the status LEDs
Clock signal is not within
expected range or not driven.
Ensure a Signal Check was
executed prior to starting
measurement.
Verify signal integrity on an
oscilloscope or by connecting to
a different measurement
channel on Sentinel.
Signal momentarily
disappeared on channel X
Clock module has briefly had a loss of
signal. Indicated by the status of the
channel LED on widget
None
Link lost on channel Y
Ethernet link lost on channel
Check network connection and
Channel X->Ethernet settings
on Sentinel
Link restored on channel Y
Ethernet link restored on channel
None
Sync message flow on channel
Y: absent
PTP Sync messages are absent.
Messages for follow-up, delay request
and delay response can also be
generated. Indicated on channel
widget by change of state for LED
Check PTP master is generating
messages and verify Channel
X->PTP settings on Sentinel
match the PTP master settings
FwUp message flow on
channel Y: not tracked
No follow-up message in channel flow
i.e. 1-step. Can also apply to sync,
delay request and delay response
messages in monitor mode as only
one direction is monitored on each
channel
None
Sync message flow on channel
Y: momentarily disappeared
Sync message has momentarily
disappeared. Messages for follow-up,
delay request and delay response can
also be generated. Indicated on
channel widget by change of state for
LED
Check network and PTP master
integrity
In the above messages,
X refers to a clock channel i.e. A or B if module is fitted in slot A-B, C or D if fitted in slot C-D or E or F if
fitted in slot E-F.
Y refers to a packet based channel i.e. C if fitted in slot C-D or E if fitted in slot E-F
Attempting measurement
restart
Measurement start after power
failure; only applicable if Auto-restart
is ON
None
Measurement started
Measurement started
None
Measurement finished
Measurement finished
None
Measurement failed
Failed to start PDV measurement
Export problem report and
power cycle Sentinel.
External Reference lost
External reference is selected as
measurement time-base but no clock
is detected
Verify reference is connected to
the Freq in connector on
Sentinel and is generating 1, 5