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Spectracom SecureSync User Manual

Spectracom SecureSync
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MJDXX Modified Julian Date
^ Space separator
HH Hours (00-23 UTC time)
MM Minutes (00-59)
SS.SSSS Seconds (00.0000-60.0000)
L Leap Second Indicator (space, L)
CR Carriage Return
LF Line Feed
The start bit of the first character marks the on-time point of the data stream.
The time synchronization status character (I) is defined as described below:
? When the receiver is unable to track any satellites and the time synchronization lamp is red.
* When the receiver time is derived from the battery backed clock or set manually through the Setup Port
Interface.
The leap second indicator (L) is defined as:
(Space) When a leap second correction is not scheduled for the end of the month.
L When a leap second correction is scheduled for the end of the month.
E x a m p l e :
0004 50085 124536.1942 L
The example data stream provides the following information:
Data format 4
Sync Status Time synchronized to GNSS.
Modified Julian Date 50085
Time 12:45:36.1942 UTC
Leap Second A leap second is scheduled at the end of the month.
SecureSync User Reference Guide 529
APPENDIX

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Spectracom SecureSync Specifications

General IconGeneral
ModelSecureSync
Time ReferenceGPS, GLONASS, BeiDou, Galileo, IRIG, NTP, PTP, 1PPS
DisciplinesGNSS, IRIG, PTP, NTP, SyncE
InputsGPS, GLONASS, BeiDou, Galileo, IRIG, NTP, PTP, 1PPS
OutputsNTP, PTP, 1PPS, IRIG
ProtocolsPTP, NTP, SNMP, SSH, HTTPS
Form Factor1U Rack-mount
RedundancyOptional redundant power supply
Security FeaturesPassword protection, access control lists, SSH, HTTPS, SNMPv3, NTP authentication, PTP authentication
Power Supply100-240 VAC, 50-60 Hz
Operating Temperature0°C to +50°C
Dimensions44.45 mm (H) x 482.6 mm (W)

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