Spectracom SecureSync User Manual

transitioning into Holdover, in case a reference becomes unavailable or invalid. The priority
order you assign to your available references typically is a function of their accuracy and reli-
ability.
Note: The References shown on your screen may look different from the ones in
the illustration below, depending on your SecureSync Time and Frequency Syn-
chronization System model and hardware configuration.
Each available type of Time and 1PPS input reference is assigned a human-readable name or
“title” that is used in the Reference Priority table, indicating the type of reference. The reference
titles are listed in the following table:
Table 3-1:
Reference priority titles
Title Reference
ASCII Timecode ASCII serial timecode input
External 1PPS input External 1PPS input
Frequency External Frequency input
GNSS GNSS input
PTP PTP input
IRIG IRIG timecode input
Local System Built-in clock OR internal 1PPS generation
NTP NTP input
User Host (time is manually set by the user)
HAVEQUICK HAVEQUICK input
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CHAPTER 3 • SecureSync User Reference Guide Rev. 26
3.3 Managing References

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)