Appendix D: SNMP – Simple Network Management Protocol

Symmetricom SNMP Enterprise MIB

Note, for TrueTime time servers only GPS, ACTS and IRIG are presently used. Further, a primary time server’s outgoing NTP packet will have its reference identifier field set to ntpSysRefClockIdent.”

::= { ntp 14 }

ntpControlInput OBJECT-TYPE SYNTAX DisplayString (SIZE (0..255)) MAX-ACCESS read-write

STATUS current

DESCRIPTION

“This variable emulates TrueTime’s serial function command strings. The same commands issued to the serial port can be sent to this string. Use this variable for SNMP sets of functions strings.

Note, setting this variable clears ntpControlOutput to the null string. See ntpControlOutput below.”

::= { ntsControl 1 }

ntpControlOutput OBJECT-TYPE SYNTAX DisplayString (SIZE (0..255)) MAX-ACCESS read-only

STATUS current

DESCRIPTION

“This variable emulates TrueTime’s serial function command strings. The same commands issued to the serial port can be sent to this string. This variable holds the output result string from the last setting of the above ntpControlInput variable. Use this variable for SNMP gets of function strings. See ntpControlInput above.”

::= { ntsControl 2 }

gpsGroupValid OBJECT-TYPE SYNTAX INTEGER

{

gpsGroupIsInvalid (0), gpsGroupIsValid (1)

}

MAX-ACCESS read-only STATUS current

DESCRIPTION

“A test flag indicating if data contained in this SNMP GPS group is valid or not. This flag equals 1 when GPS is used as the time synchronization source and 0 for all other sources.”

::= { gps 1 }

gpsNumTrackSats OBJECT-TYPE SYNTAX INTEGER (0..8) MAX-ACCESS read-only STATUS current

DESCRIPTION “The number of GPS satellites tracked.” ::= { gps 2 }

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TimeVault™ User’s Manual

6000-100AppD.fm Rev. D

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