Extron Electronics VTG 400D_400 DVI User Guide - Manual (Page 15)

2-5 VTG 400D/400 DVI • Installation and Operation
Connecting Audio Outputs
The VTG has three types of audio output connectors: an RCA jack
(VTG 400D only), a 3-pin XLR connector, and a 3.5 mm mini stereo phone jack.
RCA connector
Unbalanced mono audio is output from this connector. Wire the RCA connector
as shown here.
Tip (+)
Sleeve ( )
XLR connector
Balanced mono audio is output from this connector. Wire the female XLR
connector as shown here.
3-pin
Male
3
2
3
1
3-pin
Female
3
2
3
1
Application Pin 1 Pin 2 Pin 3
Balanced audio (std.) ground (shield) positive (+) negative (-)
(on sending/female connector) (hot/live) (cold/return)
3-pin XLR Pin Configuration
Mini stereo plug
Unbalanced mono audio on both left and right channels is output from this
connector. Wire the mini phone plug as shown here.
Sleeve ( )
Ring (R)
Tip (L)