Patton electronic 29XX ユーザーズマニュアル

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Configuring the DAX
47
Access Server Administrators’ Reference Guide 
6 • DAX
netref-2(102)—Use to obtain system timing from a slave circuit.
internal(200)—Use internal free-run oscillator for the system clock
external(300)—Not currently implemented.
Clock Status (daxClockFailure)
The clock status indicates alarm conditions relating to the system clock. If there are no alarms, the DAX page 
will indicate No Alarms (see 
 on page 45). Should one or more alarms be present, an Alarms Present 
message will be displayed with the following list of potential clock failures (
).
Main Reference Fail(1)—The main clock reference has failed
Fallback Reference Fail(2)—The fall back clock reference has failed
Master System Fail(4)—The Master System clock has failed
Secondary System Fail(8)—The Secondary System clock has failed.
Figure 21. DAX Clock Status alarm condition