User`s manual

SIERRA VIDEO
72
LED Diagnostics
While the Yosemite Family routing switchers are in operation LEDs indicate the system’s
performance. On the 504001 processor there are ten DIP Array LEDs located in LED1. These
LEDs reveal possible problems and can help you troubleshoot the routing switcher performance.
504001 LED Indicators to the right of DIP Switches
LED Meaning
LED1 Terminal receive data.
LED2 Host receive data.
LED3 No function.
LED4 No function.
LED5 LED 3-7 continuously count during normal operation. During
initialization, they signal self-test info shown below.
LED6
LED7
LED8 ON = Error detected that caused a full program restart.
LED9 OFF = Initializing;
ON = Finished initializing.
LED10 ON = Cold start, battery-backed RAM reinitialized.