Avid Technology Pro Tools SYNC X - Page 45

Appendix A: Specifications 37
AES3id IN
Level: 1 to 5 volts PP, 50% duty cycle
Connector: BNC Female
Termination: 75 ohms
AES3id OUT
Level: 930 mV P-P (AC Coupled)
Connector: BNC Female
Termination: 75 ohms
GPIO, BI-PHASE/TACH
IN, PILOT IN
Connector: 25-pin D-Sub female (DB25)
(Bi-Phase/Tach In)
Frequency Range: 0 to 76.8 KHz
Level: 4.5 to 12V, opto-isolated
Current: 10 mA max
Polarity (bi-phase): Both inputs are software programmable
Polarity (tach): “Direction” polarity is software programmable
Pulses per frame: 2, 4, 8, 10, 48, 50, 60, 96, 100, 120, 240, 250 (selectable)
(Pilot In)
Level: 100 mV to 5.5 V p-p, differential
Frequency Range: 50 or 60 Hz nominal (selectable)
Impedance: 8K ohms
(GPI In)
Description: Four opto-isolator inputs/returns
Level: –5.0 to 5.5 V
Current: 20 mA max
Frequency: Frame-rate max
Latency: Half frame max
(GPI Out (TTL))
Description: Two TTL-level outputs
Level: TTL (3.3 V typical)
Current: 15 mA
Frequency: Frame-rate max
Latency: Half-frame max
(GPI Out (Relay))
Description: Four pairs of SPST contacts, normally open
Load (while switching): 1 A max at 220 VDC, 250 VAC
Load (continuous): 1 A max at 220 VDC, 250 VAC
Operate/Release Time: 2 ms / 1 ms (excluding bounce)
Switching Rate: Frame-rate max
Latency: Half frame max
Connector Specifications