Power up, Operation indicator leds – Grass Valley 8981NR User Manual
Page 11

8981NR Instruction Manual
11
Power Up
Power Up
The front LED indicators and configuration switches are illustrated in
. Upon power-up, the green PWR LED should light and the yellow
CONF LED should illuminate for a few seconds for the duration of module
initialization.
Operation Indicator LEDs
With factory default configuration and a valid input signal connected, the
green PWR LED and one of the green signal standard LEDs (525 or 625)
should illuminate (refer to
to see the possible operating
indicator combinations).
Figure 4. LEDs and Configuration Switches
FUNCTION
FA
U
LT
525
625
2ND
UP
DOWN
INPUT
PRESENT
DELA
Y
COMM
CONF
PWR
8226_05
2ND LED
PWR – Green LED on indicates power OK.
FAULT – Red LED is off during normal operation.
COMM – Yellow LED on indicates frame bus traffic.
CONF – Yellow LED on indicates module is initiating,
changing operating mode, or updating firmware.
525 – Green LED on indicates 525 input present.
625 – Green LED on indicates 625 input present.
Module Configuration Switches and LEDs.