I-2532 CAN to Fiber Converter User Manual (ver. 1.1, 2008/10/03) ------12
Under the conditions described above, users can refer to the following
table to know the maximum node numbers in each segment following ISO
11898-2 and the maximum segment length when using different type of wire.
Table 3-2 Driving Capability
The maximum segment length [m] under the
case of specific node number in this segment
Wire Cross-
Section [mm2]
16 Nodes
32 Nodes
64 Nodes
100 Nodes
~0.25 (AWG23)
< 220
< 200
< 170
< 150
~0.5 (AWG20)
< 390
< 360
< 310
< 270
~0.8 (AWG18)
< 590
< 550
< 470
< 410
~1.3 (AWG16)
< 980
< 900
< 780
< 670
3.3 Fiber Selection & Fiber Length
The specification of fiber used to connect I-2532 is shown as following
table.
Table 3-3 Specification of Fiber
Type
Diameter [ m]
(Core/Cladding)
Operating
Wavelength [nm]
Multi-Mode
62.5/125
850
Higher attenuation of fiber will reduce the transmission distance. Users can
use following table to know the relationship between those two.
Table 3-4 Attenuation & Fiber Length
Attenuation [dB/km]
Fiber Length [m]
2.8
< 1400
4
< 400
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