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Transmission Outputs and Studio 1-3 Audio Connection Details
There are three studio interfaces to connect three individual studios to the unit. There is also
a transmission interface which carries the main transmission output and 2 balanced stereo
connections for interfacing with external units such as hybrids, or codecs, which you may
want to share between studios. These are all 25 way female D-Types and they each carry 4
balanced stereo pairs or 8 mono.
Transmission Outputs I/O Connector Details
1
Transmission Left Phase (Output)
3
Transmission Right Non Phase (Output)
st
4
1
external unit Left Phase (Input/Output)
st
6
1
external unit Right Non Phase (Input/Output)
nd
7
2
external unit Left Phase (Input/Output)
nd
9
2
external unit Right Non Phase (Input/Output)
14
Transmission Left Non Phase (Output)
15
Transmission Right Phase (Output)
17
1
st
external unit Left Non Phase (Input/Output)
18
1
st
external unit Right Phase (Input/Output)
20
2
nd
external unit Left Non Phase (Input/Output)
21
2
nd
external unit Right Non Phase (Input/Output)
All other pins are analogue ground.
Fig 12-15: RB-OA3 Transmission I/O Connector Definitions.
13
25
2nd External Unit Right
2nd External Unit Left
Fig 12-16: RB-OA3 Transmission Outputs Connector Details.
Redbox User Handbook No 3
GE N ER AL I N T E RFACE S
1st External Unit Right
1
14
Transmission Left
Transmission Right
1st External Unit Left
12
81
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