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Additionally, the length of any stub lines for participants that are not directly connected to the CAN-
bus needs to be kept in mind. For data transfer rates of up to 125 kbit/s the length of a single stub cable
should not exceed 2 m. For higher bit rates a length of max. 0.3 m has not to be exceeded. The entire
length of all stub lines should not exceed 30 m.
General note:
Using commercial quality RJ-45 patch cables with a characteristic impedance of 100 Ω (AWG
24 / AWG 26) for rack cabling is generally possible for short distances of up to 10 m.
For the interconnection of rack shelf systems as well as in fixed installations obeying the
guidelines for network cabling, as mentioned above, is mandatory.
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