Harris Corporation Constellation™
Field-Replaceable Units 12-5
FIELD-
REPLACEABLE
UNITS
Fan Assembly
Figure 12-3: The Constellation Radio (with doors removed),
repeater
If the Constellation radio is in service, the Fan
Assembly must be operating within 10 minutes of
removal and installation.
Removing the Fan Assembly
1. For a terminal, remove the Keypad and place it temporarily out of the way.
See Figures 12-1.
TRANSMITTER B1
RECEIVER B1
POWER SUPPLY B1
TRANSMITTER B2
RECEIVER B2
POWER SUPPLY B2
MODEM A2
HIGH LEVEL MUX 1
MODEM B2
HIGH LEVEL MUX 1
SERVICE CHANNEL
SPU CONTROLLER
MODEM B1
MODEM A1
TRANSMITTER A1
RECEIVER A1
POWER SUPPLY A1
TRANSMITTER A2
RECEIVER A2
POWER SUPPLY A2
ACU
FUSE PANEL
M12
Units not
used for
DS3
config-
uration
ACU
FUSE PANEL
FAN ASSEMBLY
KEYPAD, HANDSET, AND
DS1 ACCESS
FAN ASSEMBLY