User Manual

AS4000 Operations and Maintenance
Appendix
605-0000-431
1
. Issue 1.6. Date3/2/99
Page 5 of 12 © Copyright Airspan Communications Corporation 1999
Table 2 gives a detailed description of the LED indications
LED Indication Description
Low Noise Amplifier
Amber Power OK Indicates power OK
Red Fail Indicates output overloaded, or temperature limit exceeded, or power
failure
Monitor Card 1
Amber Power OK Indicates power OK
Red FRU Fail RF Combiner Shelf Power Amplifier fault, or Combiner Shelf PSU 1–3
fault
RF Card
Amber Power OK Indicates power OK
Red Fail Power supply unit out of limits
PSU
Amber Power OK Indicates power OK
Red Fail PSU output fail
Power Amplifier
Amber Power OK
Red Amplifier 1 Fail
Red Amplifier 2 Fail
Note PA 2 is inserted inverted into the combining shelf and the alarm indications will be bottom to top.
Table 2. LED Indications - RF Combiner Shelf
3.1.1. Power Amplifiers
PA 2 is inserted inverted into the combining shelf. The alarm LEDs are at the
bottom of the PA and the alarm indications will be bottom to top (see Figure 3-6).