User Manual

AS4000 Operations and Maintenance
Appendix
605-0000-431
1
. Issue 1.6. Date3/2/99
Page 6 of 12 © Copyright Airspan Communications Corporation 1999
3.1.2. PSU
An Amber LED on the front panel of the PSU (see Figure 6.3) indicates that the PSU
is working satisfactorily.
+
TEST
-
POWER
FAIL
Figure 3-10. Power Supply Unit Front Panel
Test points are provided on each PSU front panel to allow the following parameter to
be measured as a DC level (see Figure 3-10).
Output voltage of each PSU (nominally 13.5V).