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Ethernet and RS-232 interface ports
Each controller has an Ethernet interface port and an RS-232 (serial) interface port. Use
the Ethernet ports if you want to directly manage the controllers. Use the RS-232 ports for
diagnostic service.
Figure 5
shows the location of these interface ports.
Ethernet ports
RS-232 ports
Controller B
Controller B
Controller A
Controller A
Figure 5. Ethernet and RS-232 interface ports
Chapter 1. Overview
7
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