Specifications
Feature:Standard
Drift rate:21 milliseconds/day typical after having been locked to a stable reference for at least
30 minutes. (Assumes less than 5°C temperature change over this time period).
Oven Controlled Crystal Oscillator (OCXO)
Feature:Option
Drift Rate:1 millisecond/day typical after having been locked to a stable reference for at least 1
hour. (Assumes less than 5°C temperature change over this time period).
Rubidium Oscillator
Feature:Option
Drift Rate:6 microseconds/day typical for a Model S250 and 25 microseconds/day typical for a
Model S200 after having been locked to a stable reference for at least 1 hour. (Assumes less
than 5°C temperature change over this time period).
Accuracy & Stability
Synchronization
Source
Timing Accuracy
to Reference
Comments
GPS, 4 or more satellites
tracked
50 nS RMS, 150 nS
peak
GPS, 1 satellite tracked,
position known within 200m
1 uS peak
Position from satellite fix or entered by the
user.
NTP Client Mode, Local
server
2 mS peak
Local server on same subnet.
IRIG-B
10 uS peak
Relative to input signal.
1PPS
100 nS peak
Relative to input signal.
The stability of the 1PPS, 10MHz, and IRIG-B outputs depend on the optional oscillator
installed.
GPS Receiver
Description:The internal GPS Receiver is the preferred reference for the SyncServer's Hard-
ware Clock. The GPS receiver must be connected to a 12-VDC capable antenna using the
GPS
Ant
connector.
Note: The GPS receiver is only available in the S200 and S250 models.
Connector:
GPS Ant
,
BNC female, 12 VDC antenna power feed, detects Open and
Short circuits.
Page 86
..........................................................................
997-01520-02 Rev. G2
Содержание SyncServer S200
Страница 1: ...SyncServer S200 S250 S250i User Guide Rev G2 May 2015 Part Number 997 01520 01 CD Number 998 01520 01...
Страница 2: ...Page 2...
Страница 4: ......
Страница 12: ......
Страница 16: ......
Страница 78: ......
Страница 114: ......
Страница 124: ......
Страница 178: ......
Страница 182: ...Glossary Page 182 997 01520 02 Rev G2...
Страница 190: ......