Alarm LED Status
The alarm LED on the front panel provides a guide to the status of the appliance:
Red LED, Slow Flash No GPS/GNSS Lock
Green LED, Slow Flash Self Survey
Green LED, Slow Flash GPS/GNSS Lock OK, No NTP Synchronisation
Green LED, Constant GPS/GNSS Lock OK, NTP Synchronisation OK
Troubleshooting
Browser Cannot Connect to Device:
Check that the host PC's IP address is in the same network segment/domain as the NTP
server.
No Signal Lock Obtained:
1. Check the GPS/GNSS status web page – if satellites are visible with a high SNR (>25),
leave the device for a longer period to obtain a signal lock.
2. Check the GPS status web page – if antenna open or short is displayed, this will indicate
a cable fault.
3. Check antenna position. Check antenna cabling and connectors for visible damage.
Check that any surge suppressor is fitted the correct way around.
Signal Lock Obtained, but NTP Clients Cannot Synchronise:
It can take as long as 30 minutes for NTP to synchronise after a signal lock is obtained.
Wait for 30 minutes and try again.
CAUTION:
Before installing and configuring any T-Series NTP server
appliance, please read the supplied product documentation and
safety instructions carefully. Full product documentation can be
found on the supplied CD.
DISCLAIMER
IN NO EVENT WILL TIMETOOLS LIMITED BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR
CONSEQUENTIAL DAMAGES FROM THE SALE OR USE OF THIS PRODUCT. THIS DISCLAIMER APPLIES
BOTH DURING AND AFTER THE TERM OF THE WARRANTY. TIMETOOLS LIMITED DISCLAIMS LIABILITY FOR
ANY IMPLIED WARRANTIES, INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
SPECIFIC PURPOSE.
Quick Start Guide
T-Series NTP Servers
Models Covered: T100, T300, T550
Default IP Addresses: Eth0: 192.168.3.222
Eth1: DHCP Client (T550 models only).
Document Number: T1100-01
27 January 2017
The latest version of this user guide can be obtained from TimeTools.co.uk.
2017 TimeTools Limited. All Rights Reserved.
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