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B&B Electronics I-7565-H2 - Manual User Manual

Page 16

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Table 3: Cable selection

Bus speed

Cable type

Cable

Resistance/m

Terminator Bus Length

50k bit/s
at 1000m

0.75~0.8mm2

18AWG

70 mOhm

150~300

Ohm

600~1000m

100k bit/s
at 500m

0.5~0.6 mm2

20AWG

< 60 mOhm

150~300

Ohm

300~600m

500k bit/s
at 100m

0.34~0.6mm2

22AWG, 20AWG

< 40 mOhm

127 Ohm

40~300m

1000k bit/s
at 40m

0.25~0.34mm2

23AWG, 22AWG

< 40 mOhm

124 Ohm

0~40m


Note: The AWG means a standard method used to measure wire. The
numbering system works backwards from what people would think, the
thicker (heavier) the wire, the lower the number. For example: a 24AWG
wire is thicker/heavier than a 26AWG wire.

I-7565-H1/H2 High Speed USB/CAN Converter User’s Manual (Ver 1.1, Nov/2009) ------------- 16