Grass Valley PFR 500/E Dec 12 2002 - Manual (Page 38)

Chapter 3 Servicing the PFR500/E
38 PFR 500/E Instruction Manual 20 September 2002
Interpreting rear panel status LEDs
Refer to the following table to interpret rear panel LEDs on FRUs.
Module LED Name Meaning
Loop Bypass Board Loop LED is ON when the Fiber Channel port does not
detect a valid Fibre Channel signal on the GBIC.
LED is OFF when signal is valid.
7-segment LED Chassis number and event code display. Refer to
“LBB 7-segment display codes” on page 39 .
Flashing decimal point indicates heartbeat for
communication between LBB modules. Solid
indicates LBB has critically failed (steady for more
than 30 seconds).
RAID Controller Host Loop LED is ON when the Fiber Channel port does not
detect a valid Fibre Channel signal on the GBIC.
LED is OFF when signal is valid.
Host RDY LED is ON when the host port is initialized and
ready for communication. LED OFF indicates the
RAID Controller is not fully initialized.
Disk ACT LED is ON when there is disk activity, i.e. data
packets on the disk loops.
Host ACT The host activity LED is ON when there is host port
activity, i.e. data packets on the host loop.
Tx and Rx LEDs indicate Ethernet port transmit and receive
status.
Power Supply Output Good LED is ON (green) when power supply output is
good.
Fault LED is ON (amber) when there is a fault in the
power supply.
Fan Module Fault LED is ON (red) when there is a fan failure