Continuum I/O System Reference
13
Termination Guidelines
The following are typical installations that indicate the placement of the terminator:
Simple CPU and 1 remote I/O Module:
The I/O Bus that needs to be terminated is the one formed by the cable attaching the
remote module to the CPU. In this case, a terminator resistor is connected across the
communications lines (pins 1 & 2) directly at the NetController and again at the remote
I/O module.
CPU
5
4
3
2
1
5
4
3
2
1
120 Ω
Resistor
120 Ω
Resistor
Remote
I/O
Module
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