Page 568 of 906 NT8D14 Universal Trunk card553-3001-211 Standard 3.00 August 2005The faceplate of the card is equipped with a red Light Emitting Diode (LED).See Figure 113 on page 569. When an NT8D14 Universal Trunk card isinstalled, the LED remains lit for two to five seconds while the self-test runs.If the self-test is successful, the LED flashes three times and remains lit.When the card is configured and enabled in software, then the LED goes out.If the LED flashes continuously or remains weakly lit, replace the card.
