T300 T550 Hardware Installation Guide. Page 8
4. Front Panel
The T300 T550 models have the following front panel indicators/connectors: LCD Display, Alarm, USB.
4.1.
LCD Display
The T300 T550 are fitted with two line by 40 character ultra-bright backlit LCD displays for providing status and
configuration information to the user. The display typically shows current time, system time offset compared to reference
clock, NTP status, GPS status and number of satellites currently in use.
4.2.
Alarm Indicator
A red / green bi-colour LED on the T300 T550 front panel indicates status and fault conditions.
4.3.
USB Port
A USB port is provided for convenient and easy installation of firmware updates. Standard USB flash memory devices
can be used for firmware updates.
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