Specifications

Managed Data Path Model 22
5 Troubleshooting
The fault LED indicates that a signal is being received, but the signal contains enough faults to make
the port fail and go into bypass mode. Port LEDs on the ATTO FibreCenter are generally lighted if the
port is enabled and an active device is connected to the port.
LED If LED is illuminated If LED is not illuminated
Port Port is on-line and functioning properly No cable connected
Cable connected, but no device or host connected to
cable
Cable connected between hub and connected device
or host, but the device is powered off
Fault See information below ATTO FibreCenter port is operating properly
Power A
(3400R only)
ATTO FibreCenter is receiving power
through power supply A
Power supply A is not installed or turned on
A power supply is active, but the FibreCenter is not
receiving power through power supply A
Power B
(3400R only)
ATTO FibreCenter is receiving power
through power supply B
Power supply B is not installed or turned on
A power supply is active, but the FibreCenter is not
receiving power through power supply B
Fault LED Condition
ON Port has been taken off-line, because it is not receiving proper signals due to the following:
Port is receiving bad / discontinuous signals
Bad cables
Device connected to the port is powered on, but failed
Cable may be too long / signal has deteriorated
SFP fault – an internal fault within the SFP connected to the port requires replacement.