Microphone And Headphone/Speaker Port Pinouts; Table B-8 Microphone Pinouts; Table B-9 Microphone Port Pinouts; Table B-10 Headphone Pinouts - Silicon Graphics 320 Owner's Manual

110 Appendix B

Microphone and Headphone/Speaker Port Pinouts

Table B-8 Microphone Pinouts
Microphone
Line level mono microphone
Microphone Port Pinouts
Table B-9
Microphone Jack
Connector 3.5 mm stereo mini (mono signal on tip and ring)
Power +5 phantom power on tip
Type Unidirectional electret condenser

Table B-10 Headphone Pinouts

Tip Ring Sleeve
Left Right Ground

Table B-11 Headphone Specifications

Headphone
Recommended impedance
Connectors
Tip Ring Sleeve
Signal (+) Open Ground (-)
35 ohms
3.5 mm stereo