Title Datesort ascending Product Models
SecureSync and NetClock 9400 Core Processing Module Upgrade

New shipments of the SecureSync Time & Frequency Synchronization Platform, including NetClock 9400 Series Time Servers, include an upgraded version of the core processing module. The new version will provide users with faster processing speeds and enhanced memory functionality. The new processor requires at least version 5.7.0 of the firmware.

September 15, 2017
  • NetClock
  • SecureSync
SecureSync and NetClock 9400 Software Latest Release
The latest release of application software, and documentation, can be downloaded here: https://files.spectracom.com/public-downloads/latest-securesync-netclock...
September 1, 2017
  • NetClock
  • SecureSync
GSG GPS Simulator and StudioView Software Latest Release

We have released new versions of firmware and software for your Spectracom GPS/GNSS GSG-5 or GSG-6 series simulator.

July 19, 2017
  • GSG
  • GSG-5x
  • GSG-6x
  • StudioView
Dirty COW Vulnerability (CVE-2016-5195)
Spectracom products running LINUX are only susceptible if an attacker is able to successfully authenticate with the product and gain shell access. This Linux vulnerability can only be exploited if an attacker is able to successfully authenticate with the product and gain shell access. We eliminated the vulnerability in the 5.7.0 release for SecureSync and NetClock 9400.
July 11, 2017
  • NetClock
  • SecureSync
  • Enterprise
  • LMR
  • PTP
  • SecureSync Option
  • SecureSync-Platform
  • Skylight
  • VelaSync
  • VersaSync
NTP Vulnerabilities Prior to Version 4.2.8p10
Several vulnerabilities were recently reported in ntpd currently used in application software version 5.6.0 or below. The 5.7.0 release resolves these vulnerabilities with the update to NTP version 4.2.8p10.
April 2, 2017
  • NetClock
  • SecureSync
GPS leap second handling error
When GPS started broadcasting the leap second notification on July 19, 2016 for activation on Dec 31, some GPS timing receivers erroneously inserted the leap second resulting in a 1 second time error.
July 20, 2016
  • Epsilon Clock
  • NetClock
  • SecureSync
Required Update for SecureSync / NetClock 9400 Running v5.0.2
Spectracom SecureSync and NetClock 9400 units need a certain amount of free space on its compact flash memory. A bug in version 5.0.2 continuously creates log entries during normal operation which over a long period of time will consume memory that will compromise correct operation of the unit.
March 16, 2016
  • NetClock
  • SecureSync
Freeing Up Disk Space Before a Software Update

When performing a software upgrade, a SecureSync or NetClock 9400 requires additional disk space. It is recommended to ensure memory usage is less than 70% before upgrading. If memory usage is more than 70%, save and delete logs and previous update files

March 14, 2016
  • NetClock
  • SecureSync
GSG StudioView Can't Load Google Maps
Due to a change in the Google Maps API, older versions of StudioView can not load Google Maps
February 15, 2015
  • GSG
  • StudioView
Computer with PCI express timing card hangs on reset
A certain type of message without a data payload after a long idle period such as a reboot (such as a power management enable signal) from a computer's PCI express controller to the Spectracom TSync-PCIe timing card can prevent the OS from booting up, or cause the card to 'disappear' from the OS
September 22, 2014
Troubleshooting GPS test configurations for SAASM-based receivers
Documentation is available for testing SAASM receivers when using a GNSS simulator.
September 5, 2014
  • GSG
Satellite Data Plot Problems
If the satellite data plot does not show any data, click on the "Satellite Data" tab a second time.
August 18, 2014
  • GSG
HTTPS Certificate Request will not accept my Passphrase
Non- Alpha numeric characters are not accepted in the Certificate Request in the new SecureSync or 9400 web browser firmware versions 5.1.4.
April 25, 2014
  • SecureSync
Heartbleed Bug
The vulnerability in Open SSL, known as the Heartbleed bug, makes some Spectracom products susceptible. A software patch fixes the bug. Alternatively network access controls, shutting down the management port, and changing user passwords are mitigating actions.
April 17, 2014
  • SecureSync
How to Replace the Battery in a SecureSync or NetClock 9400

SecureSync time and frequency synchronization system and NetClock 9400 time server/master clock contains a Lithium Battery for the purpose of providing power to the real time clock on the processor board.

February 19, 2014
  • SecureSync
DDoS / Amplification Attack using ntpdc monlist command
Spectracom disables NTP queries by default so is not at risk for the vulnerability described in CVE-2013-5211. However we recommend you verify the NTP server has not been configured to allow queries or you have adequate network security to reduce the risk of an attack due to monlist
January 20, 2014
  • SecureSync
Front panel and Web User Interface show the IP address as ""
The IP address will be displayed on the front panel as (as shown below) and also in the Web User Interface (UI), if the Ethernet port is not connected to a network hub, switch or a stand-alone PC.
December 6, 2013
  • SecureSync