User Manual

Table Of Contents
System Description RF-Orchestra!™ Transmitter Installation and Operation
2-18 6880493G02-C July 2000
Figure 2-9: RF-O! Transmitter Backplane
Table 2-3: OCM Backplane Connectors
Connectors Name Description
J1, J2 and J3 are internal module connections
J4 PLUG-N-PLAY Transmitter controller interface protocol standard
J5, J6, PA#1, 2 Power amplifiers control and diagnostic interface
J7, J8 PS #1,2 DC Current Used for DC Current Sensing (Only in PT1052 - Single PA)
J9 INT WMTR Internal wattmeter interface
J10 EXT WMTR External wattmeter RF control interface
J11 EXT REF
10 MHz input must meet the minimum Paging Station interface protocol
requirements for amplitude and frequency stability
J12 EXT_LOAD_TEMP External circulator load temperature input monitor signal
J13 SYNC PORT Factory use only
J14 LOCAL COMM Factory use only
J15
PLUG-N-PLAY
POWER
+28 V source for RF-Baton! (RF-B!) transmitter controller power as
defined by Paging Station interface protocol
J16 WILDCARD I/O Interfaces to external input/output circuits or module interfaces
J17 DC FAN POWER RF-O! transmitter chassis fan connection +12 V operation
J18 AUX 5 V +5 V source limited to 50 mA maximum current
J19 AUX A+ +12 V source limited to 50 mA maximum current
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
303SRH-17