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Unibrain Fire-i 501/511/601/701/702/810 Operation Manual Page 4
1.3. Electrical Operating Condition
The new SXGA and UXGA models feature optocoupler (or Photo-coupler) while the VGA/XGA models still use TTL for
trigger and strobe.
Trigger (Fire-i 501/511/601):
User Side
T
rigger
Opto. Coupler
Camera Side
FT Series
Camera
External
Trigger
Pin
GND Pin
R
ecommended Trigger Example
Electrical Specification
Strobe (Fire-i 501/511/601):
User Side
Strobe
Opto. Coupler
Camera Side
FT Series
Camera
Strobe Pin
Active High
GND Pin
GND
220 Ω
Recommended S
t
robe Example
Electrical Specification
4V ~ 5V
Strobe
User can set strobe duration
A
pp
2msec