Avid Technology Digidesign USD User Manual page 83

Rear Panel Connectors
Connector
GPI In
GPI Out (TTL)
GPI (Relay)
MIDI Time Code
(MTC) Out
Specifications
Description:
Level:
Current:
Frequency:
Latency:
Description:
Level:
Current:
Frequency:
Latency:
Description:
Load (while switching):
Load (continuous):
Operate/Release
Time:
Repetition Rate:
Latency:
Current Rating:
Rate:
Connector:
Four opto-isolator inputs/returns
4.5 to 5.5 V
10 mA max
Frame-rate max
Half frame max
Two TTL-level outputs
TTL (3.3 V typical)
15 mA
Frame-rate max
Half-frame max
Four pairs of SPST contacts, normally open
.5 A max at 200 VDC
1.5 A max at 200 VDC
1 ms
Frame-rate max
Half frame max
15 mA current loop
31.25 Kbaud
5-pin DIN female
Appendix B: Technical Specs 79