Spectracom SecureSync User Manual

To verify the cooling fan is still operational, power cycle SecureSync unit (if AC and DC power
are both applied, momentarily turn off the AC power switch and disconnect the DC power con-
nector).
Note: If the internal temperature in the unit is below 30 degrees Celsius, the fan
may not turn on as part of the power-up sequence. In this case, it is recommended
to let the unit “warm up” for approximately 30 minutes, in order to allow the unit
to get to the appropriate temperature.
See also: "Temperature Management" on page297
5.1.12 Troubleshooting – Network PCs Cannot Sync
In order for clients on the network to be able to sync to SecureSync, several requirements must
be met:
1.
The PC(s) must be routable to SecureSync. Make sure you can access SecureSync Web
UI from a PC that is not syncing. If the PC cannot access the Web UI, a network issue
likely exists. Verify the network configuration.
2.
The network clients have to be configured to synchronize to SecureSync's address. For
additional information on syncing Windows PC's, see
https://spectracom.com/documents/synchronizing-windows-computers. The last
section of this document also contains troubleshooting assistance for Windows syn-
chronization. For UNIX/Linux computer synchronization, please visit
http://www.ntp.org/.
3.
If at least one PC can sync to SecureSync, the issue is likely not with SecureSync itself.
The only SecureSync configurations that can prevent certain PCs from syncing to the time
server are the NTP Access table and MD5 authentication. See "Configuring NTP Sym-
metric Keys" on page117. A network or PC issue likely exists. A firewall may be block-
ing Port 123 (NTP traffic), for example.
4.
NTP in SecureSync must be “in sync” and at a higher Stratum level than Stratum15 (such
as Stratum1 or2, for example). This requires SecureSync to be either synced to its input
references or in Holdover mode. Verify the current NTP stratum level and the sync status.
5.1.13 Troubleshooting Software Update
When experiencing slow data transmission rates, or other network issues, it may be possible
that a system software update will be aborted due to a web server timeout during the transfer.
344 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)