CenterClick NTP200 and NTP250 Documentation - LEDs

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o Features
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o Getting Started
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o Front Panel LEDs
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NTP250 Front

LEDs

The front panel LEDs can be in one of 3 states:

  1. green-off off
  2. green-blink blink
  3. green-on on
LEDMeaning
PPS green-off The GPS hasn't established a fix with satellites
green-blink Each off-to-on transition is the precise start of a second
NTP green-off No GPS sync
green-blink Holdover, high jitter, or using backup NTP server
green-on Synchronized
SYS green-off Just after power-up or shutdown/off
green-blink System booting, bad power input, or no network
green-on Power and network good
PWR green-off No power
green-on Powered on
Ethernet Port green Booted and Ethernet link up
orange Rx/Tx packets

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