Symmetricom Time Server User Manual

A-94 TimeVault™ User’s Manual 6000-100AppA.fm Rev. C
Appendix A: NTP Version 3, NTPQ, and NTPDC NTP V 3.0 Data Format per RFC-1305
Table A-2 Local Time Source Input
Reference Timestamp
The reference timestamp is a 64 bit timestamp format representing the local time at the
last update. TimeVault’s reference timestamp is the last time that a valid synchronization
source signal was present.
Originate Timestamp
The originate timestamp is a 64 bit timestamp format representing the time that the request
left the client host.
Receive Timestamp
The receive timestamp is a 64 bit timestamp format representing the time that the request
arrived at the service host.
Transmit Timestamp
The transmit timestamp is a 64 bit timestamp format representing the time that the reply
left the service host.
Authenticator
This is a 96-bit field containing the authenticator information as described in Appendix C
of RFC-1305. This field is not implemented by TimeVault.
Local Time Source Input
Reference Identifier String
GPS "GPS"
ACTS "ACTS"
NTP "NTP"

Symmetricom Time Server Specifications

General

Brand	Symmetricom
Model	Time Server
Category	Network Card
Language	English