Spectracom SecureSync User Manual

5.4.10 Spectracom Format 7
This format provides a time data stream with millisecond resolution. The Format 7 data stream
consists of indicators for time synchronization status, leap second and Daylight Saving Time.
Time data reflects UTC time and is in the 24-hour format. Format 7 data structure is shown
below:
Note: Format 7 cannot be configured for a Time Zone Offset or with automatic
Daylight Saving Time adjustment. Attempting to configure a Local clock using
Data Format 7 with either a Time Zone Offset or automatic DST rule will result in
an error message.
E x a m p l e m e s s a g e :
CR LF I^YY^DDD^HH:MM:SS.SSSL^D CR LF
Where:
CR Carriage Return
LF Line Feed
I Time Sync Status (space, ?, *)
YY Year without century (99, 00, 01, etc.)
^ Space separator
DDD Day of Year (001-366)
HH Hours (00-23 UTC time)
: Colon separator
MM Minutes (00-59)
SS Seconds (00-60)
. Decimal Separator
SSS Milliseconds (000-999)
L Leap Second Indicator (space, L)
D Daylight Saving Time Indicator (S,I,D,O)
The leading edge of the first character (CR) marks the on-time point of the data stream.
The time synchronization status character (I) is defined as described below:
530 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)