Hitachi EC702MP-BB3 Operation Manual page 33

Uhf digital tv transmitters
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CONTROL I/O
A1
External measurement of +8V
A2
External measurement of +15V
A3
External measurement of +50V
A4
External measurement of Forward Power
A5
GND
A6
External measurement of Reflected Power
A7
External RF Power On/Off
A8
RS485A for HPA Communication
A9
GND
A10
RS485B for HPA Communication
B1
Not implemented
B2
External Address of Exciter A
B3
Double Exciter Output Status
B4
External AC Phase Alarm
B5
External RF Load Alarm
B6
General Analog Output
B7
External Modulator/Exciter Alarm Status
B8
General Digital Input
B9
External Double Exciter Input Status
B10
Relay Output Command
EXCITER CONTROL
1
N/A
2
RS232 line data input from the Exciter
3
RS232 line data output to the Exciter
4
N/A
6
N/A
5
GND
7
N/A
8
N/A
9
N/A
10 pin terminal block
-
DB9 male
E-Compact MP-BB3 Series
B1
CONTROL I/O
B1 B2 B3 B4 B5 B6 B7 B8 B9 B10
A1 A2 A3 A4 A5 A6 A7 A8 A9 A10
A1
Control I/O connector
Rear panel
EXCITER CONTROL
1
2 3
4 5
6
7
8
9
DB9 male connector
Rear panel
B10
A10
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