Udio port assignment and pin connections, 2 audio port assignment and pin connections – OT Systems FT420AB User Manual
Page 10
FT420AB Series Installation & Operation Manual
10
4.2 Audio port assignment and pin connections
For audio input and output connections, please note the following pin assignment:
Pin Assignment
(Screw Terminal
Block)
Data format
1
2
3
4
5
6
7
Balanced signal
N/A
N/A
IN (+)
IN(-)
OUT(+)
OUT(-)
N/A
Un-Balanced signal
N/A
N/A
IN
Sig. COM
PIN2 connect to PIN5
OUT
Sig. COM
PIN4 connect to PIN5
Balanced Audio signal connection diagram:
Transmitter End
Receiver End
User’s Equipment
AUDIO PORT
(7-PIN)
AUDIO PORT
(7-PIN)
User’s Equipment
1 N/A
1 N/A
2 N/A
2 N/A
Audio OUT(+)
3 IN(+)
3 IN(+)
Audio OUT(+)
Audio OUT(-)
4 IN (-)
4 IN (-)
Audio OUT(-)
Audio IN(+)
5 OUT(+)
5 OUT(+)
Audio IN(+)
Audio IN (-)
6 OUT(-)
6 OUT(-)
Audio IN (-)
7 N/A
7 N/A
Fig. 4.4.1 Connector Pin Assignments for balanced audio signal at Audio port
Un-Balanced Audio signal connection diagram:
Transmit End
Receive End
User’s
Equipment
AUDIO PORT
(7-PIN)
AUDIO PORT
(7-PIN)
User’s
Equipment
1 N/A
1 N/A
2 N/A
2 N/A
Audio OUT
3 IN
3 IN
Audio OUT
4 Sig. COM
4 Sig. COM
Audio IN
5 OUT
5 OUT
Audio IN
6 Sig. COM
6 Sig. COM
Sig. COM
7 Sig. COM
7 Sig. COM
Sig. COM
*Jumper wires provided and connected by customer
Fig. 4.4.2 Connector Pin Assignments for un-balanced audio signal at Audio port
*Jumper wires