What are maximum cable lengths for connecting devices (instruments)?

Analog input cables for Dataapex A/D cards

Recommended maximum lenght is 10 m.

Up to 30 m were used in some cases, however some signal loss or interferences could not be exluded.

RS-232 serial communication cables

The maximum cable lenght depends mainly on the cable quality and a baud rate used. Fairly long cables can be used for baud rates 9600 or less, for 19200 baud a maximum of 15 m is recommended and the lenght will decrease rapidly with a baud rate used.

For more details on serial communication see:


USB cables

It is recommended not to exceed 3 m cable length.

LAN cables

The length will depend on the cable quality or if you connect using a switch, etc.

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Last updated: 2020-10-05 | webmaster