Avid Technology Digidesign USD User Manual page 81

Rear Panel Connectors
Connector
Video (Main) Out
Video (Ref) In
Video (Ref) Out
AES Clock In
AES Clock Out
Word Clock In
Word Clock Out
Specifications
Level:
Source Impedance:
Format:
Level:
Termination:
Level:
Termination:
Description:
Level:
Connector:
Level:
Connector:
Level:
Connector:
Level:
1V p-p
75 ohms
NTSC or PAL composite video
1V p-p
100K ohms
1V p-p
100K ohms
Passive loop-thru of Video Ref in
5 V p-p at 110 ohms (pin 2 hot)
3-pin XLR female per IEC 268-12
5 V p-p at 110 ohms (pin 2 hot)
3-pin XLR male per IEC 268-12
0 to .5 V (low), 2.0 to 6.0 V (high)
BNC Female
TTL (3.3 V typical)
Appendix B: Technical Specs 77