Lucent Technologies 9077 16S User Manual

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 October 22, 1999   
SP Switch Router Adapter Guide - 1.4 Update 2
Introduction to the SP Switch Router Adapter card
SP Switch Router Adapter card LEDs
• TX HB   (green)
• TX ST0   (green)
• TX ST1  (amber)
• TX ERR  (amber)
•  ON       At reset, all LEDs are lit for 1/2 second
•  ON       as part of on-board diagnostics.
•  ON       Also tests that LEDs are working.
•  ON
•  OFF     ERROR      -  During a boot or reset, this pattern indicates
•  OFF                           a checksum error is detected in 
•  OFF                           flash memory.  
•  ON
•  ON       ERROR     -  During a boot or reset, this pattern indicates
•  OFF                           that the SRAM fails the memory test.
•  ON                               
•  OFF
•  ON -> OFF             - During loading, HB and TX ST1 flash
•  OFF                           as each section of the code loads.
•  OFF                           
•  ON -> OFF
Table 1-1. SP Switch Router Adapter card LED activity during boot and reset     (continued)
LED
Description