Spectracom SecureSync User Manual

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.
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 :
0003 20150415 124536-0500D #
The example data stream provides the following information:
Data Format 3
Sync Status Day 271 of year 2015.
Date April 15, 2015.
Time 12:45:36 EDT (Eastern Daylight Time). The time difference is 5 hours behind UTC.
Leap Second No leap second is scheduled for this month.
5.4.9 Spectracom Format 4
Format 4 provides a format indicator, time synchronization status character, modified Julian
date, time reflecting UTC with 0.1 millisecond resolution and a leap second indicator. Format 4
data structure is shown below:
E x a m p l e :
FFFFIMJDXX^HHMMSS.SSSS^L CR LF
Where:
FFFF Format Identifier (0004)
I Time Sync Status (Space, ?, *)
528 SecureSync User Reference Guide
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)