AT-140GE
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7.2.2 Recommended External Output circuit diagram for customer
Fig.15. External Output Circuit, OPT OUT 1 and 2
7.2.3 Optical Interface Specifications
The relation of the input signal and the output signal through the optical interface is as
follows.
User Power (VCC)
3.3V
5V
12V
24V
Time Delay Rising
TDR(
µ
s)
0.54
0.54
0.62
0.68
Rising Time
RT(
µ
s)
1.2
1.2
2.0
3.0
Falling Delay Time
FDR(
µ
s)
1.5
1.5
2.4
2.1
Falling Time
FT(
µ
s)
3.6
3.4
4.5
6.8
Fig.16 Optical Interface Performance