User Manual

Table Of Contents
System Description RF-Orchestra!™ Transmitter Installation and Operation
2-12 6880493G02-C July 2000
Orchestra Control Module
The Orchestra Control Module (OCM) contains an Orchestra Control Board (OCB), Exciter,
and a DC-DC Converter (see Figure 2-4). This RF-shielded enclosure interconnects the OCB,
Exciter, and DC-DC converter with all other station modules through the backplane
interconnect board.
Figure 2-4: Orchestra Control Module
302SRH-31
RESET
Control On
Control Fail
Disable
Alarm
PA Keyed
Exciter Locked
Full Power
Pwr Ctbck
RF-Orchestra!™
Serial Port
302SRH-13
Power
Front View, Cover Removed
Exciter Module
DC-DC Converter Module
Orchestra Control Board
J15
PNP
PWR
+ -
+ -
J22 FAN
J19
AUX A+
J4 PLUG-N-PLAY
J16
WILDCARD I/O
J14
LOCAL COMM
J12
EXT LOAD TEMP
J11
EXT REF
J20
DC IN
J18
AUX 5V
PA#4 PA#3
PA#2 PA#1
J8 J7
J6
J5
J17
FAN
J13
SYNC
J23
RF FEEDBACK
J10
INT WMTR
J9
EXT WMTR
J24
J21
DC IN
RF OUT
302SRH-38
Backplane
Front View