Spectracom SecureSync User Manual

? 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.
The Daylight Saving Time indicator (D) is defined as:
S During periods of Standard time for the selected DST schedule.
I During the 24-hour period preceding the change into DST.
D During periods of Daylight Saving Time for the selected DST schedule.
O During the 24-hour period preceding the change out of DST.
E x a m p l e :
? 15 271 12:45:36.123 S
The example data stream provides the following information:
Sync Status The clock has lost GNSS time sync.
Date Day 271 of year 2015.
Time 12:45:36 UTC time, Standard time is in effect.
5.4.11 Spectracom Format 8
Format 8 includes a time synchronization status character, the four digit year, day of year, time
reflecting Time Zone Offset and DST corrections when enabled. Format 8 also includes the
DST/Standard Time indicator, and the Time Zone Offset value. Format 8 data structure is
shown below:
E x a m p l e :
CR LF I ^ ^YYYY^ DDD ^ HH:MM:SS ^ D+XX CR LF
or
CR LF I ^ ^YYYY^ DDD ^ HH:MM:SS ^ D-XX CR LF
Where:
SecureSync User Reference Guide 531
APPENDIX

Spectracom SecureSync Specifications

General

Model	SecureSync
Time Reference	GPS, GLONASS, BeiDou, Galileo, IRIG, NTP, PTP, 1PPS
Disciplines	GNSS, IRIG, PTP, NTP, SyncE
Inputs	GPS, GLONASS, BeiDou, Galileo, IRIG, NTP, PTP, 1PPS
Outputs	NTP, PTP, 1PPS, IRIG
Protocols	PTP, NTP, SNMP, SSH, HTTPS
Form Factor	1U Rack-mount
Redundancy	Optional redundant power supply
Security Features	Password protection, access control lists, SSH, HTTPS, SNMPv3, NTP authentication, PTP authentication
Power Supply	100-240 VAC, 50-60 Hz
Operating Temperature	0°C to +50°C
Dimensions	44.45 mm (H) x 482.6 mm (W)