IQSDA30/IQSDA32
www.snellgroup.com
Card Edge LEDs
Issue 2 Rev 3
Page 16
©
2015 Snell Limited
4.
Card Edge LEDs
The LEDs on the edge of the module indicate its operating status.
Note:
Channel 2 LEDs on IQSDA30 only.
LED
Color
Description
Power OK
Green
This indicator is illuminated when a positive power supply
is present.
CPU
Green
This indicator will blink to indicate CPU activity.
Channel 1 OK
Green
This indicator is illuminated when input channel 1 is locked
to the input signal.
Channel 1 Bypass
Yellow
This indicator is illuminated when the signal on input
channel 1 is not being reclocked. That is, in reclock
bypass mode.
Channel 1 Error
Red
This indicator is illuminated when there is unknown or no
input on input channel 1..
Channel 1 Rate
Green
This indicator pair shows the rate on input channel 1 as
follows:
•
Both LEDs illuminated – 3 Gbit/s
•
Left LED only illuminated – 1.5 Gbit/s
•
Right LED only illuminated – 270 Mbit/s
•
Both LEDs off – Rate unknown
Channel 2 OK
Green
This indicator is illuminated when input channel 2 is locked
to the input signal.
Channel 2 Bypass
Yellow
This indicator is illuminated when the signal on input
channel 2 is not being reclocked. That is, in reclock
bypass mode
Channel 2 Error
Red
This indicator is illuminated when there is unknown or no
input on input channel 2
Channel 2 Rate
Green
This indicator pair shows the rate on input channel 2 as
follows:
•
Both LEDs illuminated – 3 Gbit/s
•
Left LED only illuminated – 1.5 Gbit/s
•
Right LED only illuminated – 270 Mbit/s
•
Both LEDs off – Rate unknown
