I⁄O Extender Modules 119
Chapter 3 System Description
I⁄O Bus Cables
An I⁄O bus cable is required for each channel and is terminated at each end by a
male 9-pin D connector suitable for rugged industrial applications. Various cable
lengths are available.
If the I⁄O bus length is greater than 6 meters (20 feet), the bus should be terminated.
The maximum I⁄O bus length is 200 meters (650 feet) and includes:
• Length of all baseplates
•I⁄O Extender Modules
•I⁄O bus extension cables
Note For distances greater than 200 meters (650 feet) or for applications
requiring isolation, fiber-optic transceivers are commercially available. For
compatible units and supported distances, contact your regional customer center.
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