User Manual

AS4000 Operations and Maintenance
Section
605-0000-431
6
. Issue 1.6. Date3/2/99
DLP-022
Page 52 of 60 © Copyright Airspan Communications Corporation 1999
9. Plug the PSU into the AC supply.
BATTERY BATTERY
TRANSFORMER
CONNECTOR
SW3
SW4
D9
D8
LEDs
AC
I/P
Figure 2-1. AC Power Supply Unit.
PSU earthing
Note: The PSU is double insulated. It still has a 3-pin IEC socket and therefore uses a 3-wire
cable and mains plug. There is no earth wire connected to the IEC socket inside the unit. The
functional earth for hazardous voltage test should be connected to TB1 terminal 2.
STOP. THIS PROCEDURE HAS BEEN COMPLETED.
.