Cloud CDI-S100 Manual de instalação - Página 11

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APPENDIX

Cable lengths

RS-232C serial communication can use either

shielded or unshielded cable. The longest cable

run that can be practically used for error-free

operation in a given installation will depend on

several factors: cable type, the baud rate used

and the amount and type of electrical noise

present in the cable's vicinity.

A realistic figure for maximum cable length

is 250 ft. (76 m.) using good-quality shielded

cable and 100 ft. (30 m.) using unshielded cable,

at 9600 baud (the most common data rate).

However, the figure may be higher or lower in

a particular installation.

Lowering the baud rate will permit significantly

longer cable runs to be used.

CDI-S100 Installation Guide v1.0