How-To Guide Chapter 5

FibeAir 1500 Installation & Operation Manual Chapter 5. Operation
Revision 2.0 Physical View 5-7
Table 5-1 IDU LED Alarms
LED Name Color Description
Red Yellow Green*
“Power”
XXRed - Problem with power supplies, system not functional.
“Future Use”
“Line”
XX XRed - No input to main channel / High BER
Yellow – JO mismatch.
“Loss of
Frame”
XX
Red – Radio did not recognize information frame
(radio link problem/radio LOF).
“BER” XX X
Red – radio BER higher than radio excessive error
threshold definition (please refer to Sonet/SDH
configuration screen).
Yellow – radio BER higher then radio signal degrade
threshold definition (please refer to Sonet/SDH
configuration screen).
“Loopback” XXRed – Loopback is active.
“Stand By”
XX
Yellow – Protected configuration: This unit is currently
passive or Tx mute applied.
“Future Use”
“IDU”
XX X
Red – Modem unlocked.
Yellow – High temperature / Fan problem.
“ODU” XX XRed – No link/ ODU Power/ ODU unlocked.
Yellow – Radio interference./ High temperature/ Rx/Tx out
of range.
“Cable” XXRed – RF Cable open / RF Cable Short.
“Remote”
XX X
Red – No link / fault in remote unit (any red led in the
remote unit).
Yellow – Warning in remote unit (any yellow led in the
remote unit).
* Green – Normal