Spectracom SecureSync User Manual

3.2.2 Timescale Offset(s)
154
3.2.2.1 Configuring a Timescale Offset
154
3.2.3 Leap Seconds
155
3.2.3.1 Reasons for a Leap Second Correction
155
3.2.3.2 Leap Second Alert Notification
156
3.2.3.3 Leap Second Correction Sequence
156
3.2.3.4 Configuring a Leap Second
157
3.2.4 Local Clock(s), DST
158
3.2.4.1 Adding a Local Clock
158
3.2.4.2 DST Examples
160
3.2.4.3 DST and UTC, GMT
161
3.3 Managing References
161
3.3.1 Input Reference Priorities
161
3.3.1.1 Configuring Input Reference Priorities
163
3.3.1.2 The "Local System" Reference
166
3.3.1.3 The "User/User" Reference
167
3.3.1.4 Reference Priorities: EXAMPLES
169
3.3.2 Reference Qualification and Validation
172
3.3.2.1 Reference Monitoring: Phase
172
3.3.2.2 BroadShield
174
3.3.3 The GNSS Reference
182
3.3.3.1 Reviewing the GNSS Reference Status
183
3.3.3.2 Determining Your GNSS Receiver Model
187
3.3.3.3 Selecting a GNSS Receiver Mode
189
3.3.3.4 Setting GNSS Receiver Dynamics
192
3.3.3.5 Performing a GNSS Receiver Survey
194
3.3.3.6 GNSS Receiver Offset
195
3.3.3.7 Resetting the GNSS Receiver
196
3.3.3.8 Deleting the GNSS Receiver Position
197
3.3.3.9 Manually Setting the GNSS Position
198
3.3.3.10 GNSS Constellations
201
3.3.3.11 A-GPS
205
3.4 Holdover Mode
210
3.5 Managing the Oscillator
213
3.5.1 Oscillator Types
214
3.5.2 Configuring the Oscillator
215
3.5.2.1 Time Figure of Merit (TFOM)
217
SecureSync User Reference Guide • TABLE OF CONTENTS
VII

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)