I-2533CS series CAN to Single Mode Fiber Bridge User Manual (version 1.0.0)
Page: 20
Copyright © 2013 ICP DAS Co., Ltd. All Rights Reserved. E-mail: [email protected]
3.2. Fiber Selection & Fiber Length
The specification of fiber cable used to connect the I-2533CS series is shown as
following table.
Table 3-3 Specification of Fiber
Type
Diameter [
μ
m]
(Core/Cladding)
Operating
Wavelength [nm]
Single mode
8.3/125, 8.7/125,
9/125 or 10/125
1310
The I-2533CS series allows maximum 30km fiber length for each kind of CAN baud.
Although the maximum fiber length has no relationship with the CAN baud rate, but
some fiber attributions, such as attenuation, still influence it. Higher attenuation of fiber
will reduce the transmission distance. User can use following table to know the
relationship between those two.
Table 3-4 The relationship between CAN baud rate and indicative Fiber length
Module Name
CAN Baud
Rate [bit/sec]
Allowed Fiber length [km]
I-2533CS 30
I-2533CS-60 60
I-2533CS-A /
I-2533CS-B
1 M ~ 10 k
15
Table
3-5
Attenuation & Fiber Length
Module Name
Attenuation
[dB/km]
Allowed Fiber length [km]
0.4 30
I-2533CS
> 0.4
< 30
0.4 60
I-2533CS-60
> 0.4
< 60
0.4 15
I-2533CS-A /
I-2533CS-B
> 0.4
< 15
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