Users Manual Part 2
LED Name Color Condition Indications
Upper 3 LEDs (AC In
Status, DC In Status
and DC Out/ Temp.)
3 dual color
LEDs: green/red
only boot loader is run-
ning (meaning that the
boot loader waits for
an .exe file)
3 LEDs blinking to-
gether: R (red) R R
-> G (green) G G,
with 1 Hz frequen-
cy
boot loader is loading
a new hex file: (loading
status)
R R G -> R G R->
G R R->... (circulat-
ing green LED)
Fan indicators 1 to 3
always Red - solid
11.2.2
PSU Switch
Table 102: Power Supply Unit Controls on page 363
describes the PSU switch and Figure 185: PSU
Front Panel on page 361 shows its position.
Table 102: Power Supply Unit Controls
Control Description
ON/OFF Switch This switch disconnects DC outputs and charging currents.
NOTICE:
When the power switch is turned off the PSU still consumes 2 mA.
If left connected to the battery for a very long time with no mains power, it could discharge the
battery.
11.2.3
PSU Connectors
Table 103: Power Supply Unit Connectors on page 363 lists and describes the PSU connectors and
Figure 185: PSU Front Panel
on page 361 shows their position. For more information on PSU cabling,
see Interconnection and Internal Cabling on page 163.
Table 103: Power Supply Unit Connectors
Name of
Connector
Type To/From Comment
CAN1 RJ45 Site Controller CAN Bus interface
CAN2 RJ45
Duplexer/ Post Filter/
ATCC/ Site Controller/
Terminator
CAN Bus interface
DC In
Battery
Phoenix (2 pin) Junction Panel DC input and backup
battery charging
AC In IEC (high temperature
version, male)
Junction Panel AC input
6802800U74-AP
Chapter 11: Power Supply Unit
363